The Pitstop - 2016-10-13

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12:00 AM

Has anyone around here studied the Scotch-Yoke engine before?

12:17 AM

Say, @DucatiKiller, was just looking through old stuff from when I didn't know anybody on here and just realised it was you who helped me with that carburetor, well, a few weeks ago, lol.

Funny how fast things have changed.

Thanks again, btw. It's still working bent tab and all.

The remote controlled device carb?

4

Q: Adjust carburettor without hi-speed adjustment

I've got a Walbro WA226 with no hi-speed adjustment screw. Unfortunately, it seems that the issue is in the high-speed jet. Adjusting the low screw can set me up so long as the throttle is at full, but in order to run it at idle, I have to screw the low screw back in a full turn. How can I go ...

fuel-system carburetor small-engine two-stroke

Ah yes, the comment argument one. lol

@anonymous2 That was satisfying when you went and fixed it.

1:25 AM

Ferrari V12 Engine

Pᴀᴜʟsᴛᴇʀ2

@DucatiKiller - I like the music at the beginning ... almost Zen like ... lol

lol

Pᴀᴜʟsᴛᴇʀ2

Well, didn't do great on the test, but I should have passed it without difficulty.

We'll see if I change my tune when the grades come back, lol.

Fingers crossed. I'm sure you nailed it.

Pᴀᴜʟsᴛᴇʀ2

No. The first 12 questions were multiple guess/T&F ... I had to guess at about 1/2 of them. The second section was short written answers. Did okay there. Third section was long written answers. I think I did well there.

He asked some very obtuse questions.

in the first part, that is.

1:37 AM

Hopefully you recovered well and your guesses were correct

Pᴀᴜʟsᴛᴇʀ2

WRT Ferrari video .. I like how they test the engine, lol.

Just run it up to the redline and have a little fun.

Sure, ramp it up and validate.

Pᴀᴜʟsᴛᴇʀ2

When Chevrolet was building the 572 BBC, they'd validate them by putting them on the dyno and running them for 24 hours, varying the throttle between peak torque and peak power ... I can only imagine what that would sound like in the engine room, lol.

Please don't take this wrong ... but do you like rice?

@DucatiKiller ^^

Rice to me is like a potato to you

Pᴀᴜʟsᴛᴇʀ2

Well, since I've been a kid, I love to take boiled rice, put some sugar, cinnamon, butter, and milk into it.

I was in Giant earlier and saw the sign for rice and had to get some Jasmine.

So, I'm eating and watching MCM ... :o)

And I have to say ... it was mighty tasty!

Pᴀᴜʟsᴛᴇʀ2

2:01 AM

@DucatiKiller - And to tell you the truth ... I like rice better than I do potatoes.

Turbocharged Vs Supercharged - Part 2

Goodnight all. Enjoy your evening.

1 hour later…

3:22 AM

@Pᴀᴜʟsᴛᴇʀ2 That proves your smart.

@Pᴀᴜʟsᴛᴇʀ2 .....although the butter/sugar/milk thing. Interesting. You like grits too?

6 hours later…

9:16 AM

0

Q: What are the disadvantages of wasted spark ignition? (Consider single cylinder engine)

In four stroke engines, spark occurs twice in one complete cycle i.e. at compression TDC and exhaust TDC (In some vehicles, there is a MAP sensor to identify the compression TDC. In such vehicles wasted spark can be avoided). Is there any disadvantage of this wasted spark? Does emission gases get...

I think OP got something wrong here: 4 stroke single cylinder engine? with electronic controlled ignition being widespread there are still wasted sparks?

Perhaps somebody could correct me?

@DucatiKiller did I answer them? It has been a crazy week.

With more mods the time commitment will drop

At least until we have 100 million users!

Pᴀᴜʟsᴛᴇʀ2

10:08 AM

@DucatiKiller - Nope. Hate grits ... no offense to anyone who loves them. Traditionally, you don't eat grits with cinnamon and sugar ... most commonly with butter, salt, & pepper, I believe.

@Myself - I've not seen too many single cylinder engines with a MAP sensor. In fact, I don't believe a MAP sensor has much to do with anything concerning the identity of where the piston is in its travel up and down the cylinder. And why would it have anything to do with avoiding the wasted spark ignition? The more I read this, the more I see "troll".

10:34 AM

Anyone owned an older caprice, bonneville safari or similar wagon?

@Myself makes no sense

@Pᴀᴜʟsᴛᴇʀ2 no I think it's a genuine question

The thing is that I have a Range Rover 97, and I'm thinking of having something a little more simple (like less electrics)

11:43 AM

@DucatiKiller I still can't see your nomination. Don't hesitate to run. We'll drag @BobCross down from the podium muhwahuwahuwahuwahuaw! :)

Pᴀᴜʟsᴛᴇʀ2

@Zaid - I'm not really sure how I'd answer it then. There are a lot of issues/misconceptions on the part of the OP. Would take a lot of work to fix those misconceptions.

@JoErNanO - Too funny! I would like to see @DucatiKiller run as well. He'd be a great mod.

Off to a meeting.

I was thinking about a close vote, just hesitating because of @Pᴀᴜʟsᴛᴇʀ2 edited it

@Markus what model year do you have in mind?

well at least 86 or older (no tax and MOT only every other year in sweden)

12:09 PM

0

A: What are the disadvantages of wasted spark ignition? (Consider single cylinder engine)

From a theoretical perspective: Is there any disadvantage of this wasted spark? Depends on the ignition timing. If the intake valve is closed when the spark occurs there is no risk of preignition. If however the intake valve is open enough during wasted spark ignition that air and fuel re...

Pᴀᴜʟsᴛᴇʀ2

12:22 PM

@Myself - Not sure I know which question you're talking about?

@Pᴀᴜʟsᴛᴇʀ2 The "single cylinder wasted spark" question

Pᴀᴜʟsᴛᴇʀ2

@Myself - Gotcha ... wasn't sure.

Considering the great answers given already, I'm on the side of leaving it open.

There where no answers at the time, now it is out of question

Pᴀᴜʟsᴛᴇʀ2

Yup.

You doing well today?

I'll be spending quite a bit of time on the internet today, so I'll be around a little more than usual during work hours.

I am fine, currently at work struggling with some configuration

You?

Pᴀᴜʟsᴛᴇʀ2

12:28 PM

I'm doing well. I think my test went well. I think I passed it anyway. I may have already said something in here about it.

That is great!

I was not very active yesterday, I was tired

Pᴀᴜʟsᴛᴇʀ2

We'll see ... I haven't gotten the grade back yet, lol!

@Myself - Hey, we all get that way. At least you have a very valid excuse with the newborn! I don't have that considering my youngest just turned 16 ;-)

The Grandkids will run me into the ground, though!

(I can give those back, which is awesome :o)

brb ... water closet break

Normally the grandparents will spoil them :)

10

Q: What emergency gear and tools should I keep in my vehicle?

Apart from the mandatory emergency gear that should be in cars (early warning devices, fire extinguishers, visibility vest, first aid kit) what other tools should I get? Flashlight Gas Container Should I get a tire pressure gauge or something? Are there tools which could help me diagnose prob...

tools tips-and-tricks emergency

How did I miss this question???

@Zaid I guess snow chains are of no use for you? :) (Except you use them in the desert for increased traction)

12:39 PM

11

Q: What emergency gear and tools should I keep in my vehicle?

Apart from the mandatory emergency gear that should be in cars (early warning devices, fire extinguishers, visibility vest, first aid kit) what other tools should I get? Flashlight Gas Container Should I get a tire pressure gauge or something? Are there tools which could help me diagnose prob...

tools tips-and-tricks emergency

@Myself yes I was trying to post my comment. I wish we could have reduced the scope of the question earlier

No, I am not building a formula one car LOL. I am just busy with my work as a java developer and with my Nissan altima. I am fixing some motor mounts on it.
Thanks for asking.

Ugh. There are officially too many good candidates now.

I'm sorry, but some of you are going to have to drop out so that I'm not forced to make hard decisions.

Lynn!

Are you here to?

What car do you drive?

12:59 PM

Sweden’s Baddest Street Racer is Roadkill! - Roadkill Extra Free Episode

seen it :)

@Markus get in touch with them :)

What I really miss at work is that there is no thinking out what algorithm would suit that problem best. Most difficult things are "how to make framework X successfully do thing Y under circumstances Z"

Roadkill is imo one of the best youtube channels (or at least was before all commercial for motortrend on demand)

Last episode of Engine Masters was interesting, but I'd like to know what you can do (cheap) with an old 350 that had like 130hp when new... to get it to at least something decent. I mean getting more than 250hp out of 5.7l must be easy.

@Markus Hiya Markus :) Yep, I'm here too.

I've got a 2001 1.8T Jetta

1:11 PM

where are all the V8 people? :)

(grin)

The Odyssey is a V6... :)

I've had a V6 one time. Ford Granada -77 (I'm pretty sure you didn't have that in the US)

(you are from US right?)

oh, well I found that you also had a Granada, but not the same as in europe. cdn.pinthiscars.com/images/1975-ford-granada-wallpaper-2.jpg

@Markus yup. @Pᴀᴜʟsᴛᴇʀ2 is a big fan of the show as well

1:26 PM

I would think that it's almost hard to get so low power out of 5.7 litre...

Pᴀᴜʟsᴛᴇʀ2

@Markus - I think most of the big three had power issues during the 70's. Look at the 500ci Cadillac engine ... it was sub 200hp, IIRC.

I mean they made if like that to reduce consumption of course, but we shouldn't really be punished for that this long time after... GM etc should issue a free undowngrade pack for all their 70's engines :)

Pᴀᴜʟsᴛᴇʀ2

@Markus - I've seen a few great episodes lately (Stubby Bob, for one), but I think the real sellout point for Roadkill was when Dodge started sponsoring them. That episode where they thrashed on the two Hellcats and the Viper was absolutely abismal.

yes

Pᴀᴜʟsᴛᴇʀ2

I've actually met Finnegan at the 2014 Hot Rod Power Tour in Charlotte, NC.

1:31 PM

but after that they did both stubby bob and nas carlo, and therefore they are excused

Pᴀᴜʟsᴛᴇʀ2

@Markus - Nascarlo was absolutely awesome.

Shows you what you can do with a Sawzall.

:)

Pᴀᴜʟsᴛᴇʀ2

I've got to get some stuff done ... I'll be back on later.

Have fun guys.

It will take something extraordinary to better the Stubby Bob episode

I have a love for Jaguars, so the Draguar was of course a top episode as well.

But what would it take (do you think) to go from a 130hp 350 to at least > 250hp?

how much would you gain just with a better carb?

1:44 PM

@Markus not much if your exhaust or intake is holding you back

ok, so lets take them as well.

just those three things (as they are all rather quick boltons)

LS1 engines are quite capable of that power level

but the LS never gave 130hp

@Markus Yep, I'm US based.

Cylinder head design

And valve timing

1:48 PM

what do you mean? the next step?

@Markus that's the big difference between the LS and something from the '80s

ok

You saw Nascarlo

And what Nascar heads can do

but how much do you think you would be able to get with just those three changes

Valve sizing as well

130 hp is abysmal

1:50 PM

I mean one of the problems with roadkill is that the things they do to their engines is rather expensive if you don't have a sponsor

True

Pᴀᴜʟsᴛᴇʀ2

@Markus - I'd say "some of the things they do" is expensive. They really didn't start out "expensive" ... but ... um ... agree with you for the most part.

But I doubt you can double hp by having just a good flowing intake and exhaust

Pᴀᴜʟsᴛᴇʀ2

@Zaid - I think that really depends on what you start with.

And also, anything is possible with nitrous ;-)

At least for a short time, lol.

Laughing gas for the win

Pᴀᴜʟsᴛᴇʀ2

1:56 PM

yes indeedie!

so during the late 70's the Caprice had this: Standard on station wagons and optional on other Caprice models was a 145 hp (108 kW) 2-barrel 305 cu in (5.0 L) version of the Chevy's small-block V8.

so ok not 130 and not 5.7

but still 145 from a 5l

I'll search some...

@Markus btw I love that era of Caprice. I think that the two-barrel 305 ci was the desirable one

Check for something around 1986

Anyone here is from San Diego or close by?

"The 5.0 L 305 cu in V8 engine received an electronic spark control and compression was increased from 8.6:1 to 9.5:1. This caused the 305's output to jump to 165 hp (123 kW)"

@Markus this was for the 1985 model year

2:13 PM

hehe the engine in my bimmer is a 4.0l with 286hp, and yes it has dohc and fuel infection, but still... more than 100hp less and one litre more

eprints.utm.my/2137/1/NgTeeNengMMD2006TTT.pdf

Good stuff. Takes a while to get going, but very technical and researched.

superchevy.com/how-to/engines-drivetrain/…

They changed the exhaust, intake, carb, cam, and heads.

only came to 250hp

that might be wheel hp though

they started out with 85 :)

Nae. it seems to be clear that if you want power, then it's not the 70-90 us v8 you should look for...

they got 6hp by changing the exhaust. so just ex carb and intake would probably only do about... 20-30hp?

2:54 PM

Hey, that cut wasn't there on my steel toed boots before I left home. Maybe they were a good idea....

@BobCross I know the feeling. I've done that with a chainsaw before.

@Markus that sounds about right

Pᴀᴜʟsᴛᴇʀ2

@Markus - The 305 was completely just a smog motor. It got the car down the road and that was about all you could say for it.

It can be made to make more HP, but even so, it's lackluster compared to what you can do with a 350 or larger ... no replacement for displacement comes to mind.

3:28 PM

@Markus if you're talking about the M62 it has VANOS which makes a huge difference

Pᴀᴜʟsᴛᴇʀ2

@anonymous2 - I see you made some changes on my post about the power steering hose. I don't have an issue with anybody cleaning up my posts, as I know I can make mistakes. I would however, caution you in the future to be aware of "local color" or just because someone says something different than the way you'd say it doesn't mean it's actually wrong. Take for instance: tyre v. tire. Both are correct depending on where you are from. You made several of those type changes in my post.

@anonymous2 - And don't get me wrong, I'm not upset about it or anything, but some others may get upset. Just realize there are different ways to spell/say things and the way you aren't used to seeing it doesn't necessarily mean it's wrong.

It is interesting: When having coding problems you just need to formulate them precisely in written, then (most of the time) they solve themselves because you understand the root cause

3:48 PM

@anonymous2 @Pᴀᴜʟsᴛᴇʀ2 Generally speaking one shouldn't fix typos that are due to different word spellings. If the post is in US English then leave it in US English.

Pᴀᴜʟsᴛᴇʀ2

@JoErNanO - See ... you said it MOAR BETTA than I did. Thanks :o)

@Pᴀᴜʟsᴛᴇʀ2 Where the heck is @Moar?

Sorry @Moar.

So yeah if you see "the color of the motorbkie" change motorbike not color.

Although US spelling is awful... :D

@Markus Don't need a big engine when you can get 400bhp from a 2.5l engine :-)

@RoryAlsop Is that what you've been telling the ladies all this time? "Don't need a big engine. All you need is POWAH!" :P

Sorry, I had to.

Hahahahahahaha

I has a guitar with fire - I don't need to tell em anything

3

3:54 PM

Phew.

For a moment there I felt my seat burning. Ah no wait you ain't a mod yet. :D

YET

@Pᴀᴜʟsᴛᴇʀ2 Dammit I meant @Moab.

@Pᴀᴜʟsᴛᴇʀ2 That is a good point. Sorry abou that.

I didn't edit it with that in mind, I just noticed the absolute.

I hadn't even thought of those being local spellings. I'll have to pay more attention to that in the future.

Thanks for pointing it out to me, I really appreciate that.

1 hour later…

Pᴀᴜʟsᴛᴇʀ2

5:15 PM

@anonymous2 It's not a huge issue. I have just been down that hidey hole before, which did nothing good for anyone. Someone had wanted the "tire" tag to be a synonym of "tyre" ... we went round and round about it for a day or so. It wasn't pretty.

@Pᴀᴜʟsᴛᴇʀ2 Oh, no.

Honestly, I didn't even think of alternative spellings, and I ought to have, being Canadian.

If it had been color or neighbor or realize, it would have almost certainly have occurred to me, but pressurized and adapter weren't words that I studied in HS English.

Again, thanks for pointing it out, it was my bad, and I'll definitely try to bear that in mind in the future.

Pᴀᴜʟsᴛᴇʀ2

5:30 PM

@anonymous2 - It's all good, brother.

Hopefully it didn't seem like I was jumping on your stuff ... I can come off that way and it wasn't how I intended it.

No, not at all: I am sincerely grateful for you pointing that out.

Pᴀᴜʟsᴛᴇʀ2

@anonymous2 - Kewl deal. Just don't let it happen again or I'll throw Bob's hammer at you.

:o)

People will tell you what your faults are: the question is if you'll listen.

@Pᴀᴜʟsᴛᴇʀ2 Yikes!

Pᴀᴜʟsᴛᴇʀ2

@anonymous2 - Hah!

He's got three of them, I think.

And he's already brought them down on me.

Check the starred chats on the right.

Third from bottom.

Well, 5th from bottom now.

Pᴀᴜʟsᴛᴇʀ2

5:34 PM

You mean the one which just moved up two spots because another star was added?

;-)

Yes, that's it. :)

Pᴀᴜʟsᴛᴇʀ2

I gotta run around a little bit.

I'll be back in a few.

Get the blood circulating, Uncle Paul. Have a great one.

Or Brother Paul, not sure which.

:)

Just got the 1000 rep privilege. Took me a while.

Now it'll be taken away from me.

Damned graduation.

:D

@anonymous2 Grandfather Paul. /cc @Pᴀᴜʟsᴛᴇʀ2

@anonymous2 "Brother Paul" I now need to think about a monk :)

5:36 PM

@anonymous2 They're all grandfathers here. Just look at the cars they talk about.

@JoErNanO Yes, and look at the reputation. Whew!

Must have taken a lifetime or two to build that up.

5:48 PM

@anonymous2 You would think so. However being old and retired allows them to have a lot of free time on their hands. Combine that with a brand new SE site and that's how you get @Pᴀᴜʟsᴛᴇʀ2 with 70k for example.

@JoErNanO Yes, that's true enough. It's just as well, however; it produces great content from experienced mechanics.

@anonymous2 Oh yeah absolutely. Being super old pays off on Mechanics.SE.

:D

Pᴀᴜʟsᴛᴇʀ2

6:33 PM

@JoErNanO - Um ... you bustin' me out, bro? I'm far from retired ... old? I could possibly be considered old.

;-)

Have fun guys ... I'm headed home.

3 hours later…

9:59 PM

@JoErNanO We don't use your fancy words. US spelling is actually just called 'American'.

1 hour later…

11:16 PM

hey folks

Pᴀᴜʟsᴛᴇʀ2

11:26 PM

@Shalvenay - How's it going?

I'm just in for a minute ... gotta go do laundry.

Haha ... and all you thought I did was wrench! Hah!

alright here -- got a weird recall question about the family car though

Pᴀᴜʟsᴛᴇʀ2

@DucatiKiller - You sure that isn't just 'Merican?

What's going on?

@Shalvenay - First of all, what kind of car? (year/make/model/engine/miles)

@Pᴀᴜʟsᴛᴇʀ2 Agreed. 'Merican

it's a 2013 (IIRC) Lucerne (V6/flexfuel) with an aftermarket remote start fitted, and the dealer won't apply the ECU fixes for the CO recall because of said aftermarket remote start

My friend likes to say, "Are you an AmeriCAN or an AmeriCANT?" every time I complain.

Getting ready to pop the valves out the CB900C head and relap them.

Pᴀᴜʟsᴛᴇʀ2

11:30 PM

@Shalvenay - Take it to a different dealer.

correction, not 2013 (2011 I think)

Pᴀᴜʟsᴛᴇʀ2

Any GM dealer should be able to apply the fix to the ECU.

CO?

Colorado? or CO = CarbonMonoxide?

@Pᴀᴜʟsᴛᴇʀ2 okiedokie. side question -- can a non-dealer apply recall fixes, and if so, do you have to pay for that out of pocket or can you get reimbursed for the bill?

@Pᴀᴜʟsᴛᴇʀ2 the latter

Pᴀᴜʟsᴛᴇʀ2

@Shalvenay - I don't know the answer to either one of those questions. I'd suggest, yes, you'd have to pay, and no, you'd not get reimbursed ... if a non-dealership can even apply the recall.

I don't get why they won't apply the recall, though ... that's pretty funky.

Even with the remote start ...

@Pᴀᴜʟsᴛᴇʀ2 yeah, :/ but oh well, not like I'm in a podunk town with only one GM dealer in it. and yeah, it's pretty strange indeed...an aftermarket remote start shouldn't stop them from fixing a recall for crying out loud

Pᴀᴜʟsᴛᴇʀ2

11:33 PM

exactly.

Where are you located?

@Pᴀᴜʟsᴛᴇʀ2 find the I-80/I-29 interchanges and you won't be far off

Pᴀᴜʟsᴛᴇʀ2

Oh, gotcha.

Yes, try at another dealership. If you have the recall letter, just take that in to them. Don't tell them you tried at a different dealership or anything.

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Oct '1613

The Pitstop

For the motormouth in you! (mechanics.stackexchange.com)

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