The BIG Tune Up Video - 1974 Porsche 912?

Porsche 356 Tune-up Part1 Setting Valve Clearance!

Cool Items! New Gadgets, Smart Appliances 🌟 By 123 GO! House

В ЭТОЙ ЯМЕ РЫБЫ МНОГО. ЖОР СОМА НА САРАНЧУ. Рыбалка на сазана. Ловля на жмых и саранчу.

ВЛАД БУМАГА позвонил ЕГОРИКУ!**пранк**

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The BIG Porsche 356 Tune Up Video - SOLEX 40P11 Setup & More

Garage Time - DIY Porsche Restoration

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This is the BIG tune-up video for my Porsche 356 with Solex 40P11 carbs. If you want a car that runs well, it takes lots of checking, testing, tuning, and fixing to make it work. Now you know a few of my procedures and troubleshooting tips. As always leave a comment if you see something wrong or needs improvement.
The AFR guage is almost like cheating! It tells you immediately how the carbs are doing or not doing well.
AEM Wideband O2 AFR Meter: amzn.to/3Hvusgl
Dwell meter but digital: amzn.to/3wTdJhV
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3 фев 2023

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Комментарии : 58

@carlmclelland7624 8 месяцев назад

WOW!! Tom, it's SO refreshing to find a 'home Porsche mechanic' who actually knows something about them! I owned seven Porsche's between 1965-1991, overhauling, restoring, racing them. (Imagine, 1965, eighteen years old and owning TWO Speedsters)! If I only had them now. Confirm those are 40P11-4 carbs and not 40P11's, as used on the early type 547 engines. (They look too tall for 40P11's). You got my subscription, and I'll email with a little history.... Carl

@GarageTimeAutoResto 8 месяцев назад

Thanks for the email with your amazing car history and experience. My Solex's are the standard 356/912 versions, not the rare 4 cam ones. You are so lucky to have experienced a real 547 four cam engine. That is special.

@pdiddy4741 Год назад

Very thorough syncing & good to see The P11's being used!

@GarageTimeAutoResto Год назад

Thorough or be sorry, ha ha. Or maybe ignorance is bliss? I'm conflicted😃

@OwhyeeVdub 9 месяцев назад

I like that float adjustment.

@GarageTimeAutoResto 9 месяцев назад

Take multiple measurements just to be sure. Sometimes the walls wet the paper.

@grantroberts4231 Год назад

solid work here, Tom. onward & upward.

@GarageTimeAutoResto Год назад

Thanks Grant! Onward for sure

@jeffharrison5265 Год назад

Another Master Class Tom. 👍

@GarageTimeAutoResto Год назад

Thanks 👍

@michaelmusson3593 Год назад

Thank this will definitely help when it come time to sync the 911 carbs. Never seen it done quite that way. I ordered one of those carb sync tools. I do have one that have a ball that runs up a vile that I use to use on an Triumph Spitfire.

@GarageTimeAutoResto Год назад

I've used the unisyn tool with the ball before too. As long as it's adjusted so it doesn't obstruct the airflow it works great.

@bradyzq Год назад

I love the way you work through things on your projects. It shows that you put in lots of thought. Re: jetting, you're a good 25% lean of target. With squinty math, if 125 now, 140 might be close, if it really is on the mains.

@GarageTimeAutoResto Год назад

Thank you! I ended up with 135 mains and love the way it runs now. See it go in this video.ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-DSDA1t-dfvs.html

@j_dub Год назад

Love the exhaust collector/adapter so you can use a wideband O2. I am sure you will arrive on the correct jetting, I am not as familiar with the available emulsion tubes on the Solex 40p11s as the Weber or Dellorto offerings. Seems you need to start with a bigger main but may need to adjust the timing of the main circuit with the float height, air corrector or emulsion tubes. Really like the stick/gas pedal trick, that is one I think more people need to take note of as that is really one of the most important places to have the carbs balanced. Another great video, thanks for producing such great content.

@GarageTimeAutoResto Год назад

Thank you! I can tell by your commentary that you are one of the guys that understands carbs and how they work. I will get there without a doubt. It's always about the journey. So far the car runs great until the mains kick in.

@krusher74 8 месяцев назад

but it closed a 2 outlet dowe to a single outlet thats only the size of one of the 2 normal ones. exhaust restriction.

@lathropedition Год назад

Nice!!

@joev3274 Год назад

Thanks for another super video! I think that was the most great info & instruction I've seen packed into 27 minutes.👍 I'm trying to get a 1966 912 stock motor with Solexs running and had the problem you avoided: float to high, fuel leaked into carb, but I unfortunately let the fuel leak into the engine. I don't know how much but I don't believe the amount of fuel was excessive. Can you recommend what I can do to minimize any problems that may have occurred as a result? Thanks Tom!

@GarageTimeAutoResto Год назад

Thank you Joe! After all that work the engine still doesn't run perfectly, ha ha. The danger of gas dropping into the engine is 1) hydro lock 2) diluted oil I would take the plugs out and turn the engine by hand two full revolutions. Then change the oil. Make sure your floats aren't cracked, leaking, or swollen. They should weigh around 7.5 gms. Unfortunately it's hard to find good Solex floats.

@joev3274 Год назад

@@GarageTimeAutoResto Thanks again Tom! Even more great info. Looking forward to completing what you suggested this weekend, getting it sorted out, and moving on to the next mistake/learning experience 😁

@carl545marchbanks4 Год назад

Great overview on the tune up process. How far out are the mixture screws?

@GarageTimeAutoResto Год назад

I forgot to check, but I think 1.5 turns out

@dasboototto Месяц назад

I wish Harry Pellow was still around. I'm sure he would be doing youtube videos.

@GarageTimeAutoResto Месяц назад

Me too, I miss his long winded rants/stories.

@fgjf1079 Год назад

Return springs on the carbs go to the outer bolts

@GarageTimeAutoResto Год назад

Ok good to know. Thx

@akokarski Год назад

I know you said you checked the level at the end but was that at part throttle and acceleration? Some people say that shimming fuel pump can reduce volume.

@GarageTimeAutoResto Год назад

I can see how fuel volume might be reduced slightly with the necessary shims, but I don't think a volume problem would show up immediately at 1/2 throttle. It takes a while to drain the bowls. If you watch the afr guage it goes from rich to lean in a hurry. That is why I checked for a clogged jet.

@dra911 Год назад

I must say, that's a nice solution for the wideband sensor. Also, it's interesting to me how the distributor is controlling the amount of time it takes to return to idle. So does this mean with the mechanical weights coming back in, the ignition advance is taking a while to return to normal in these low/no load conditions, hence the revs take a while to come down? Trying to understand as this might be applicable to a problem I'm having with my own engine.

@GarageTimeAutoResto Год назад

The distributor springs allow advance at 900 rpm which is right at idle. Attach a timing light and watch how slow the timing returns. Sometimes the weights need to be lubed with sil-glyde or a drop of oil under the rotor felt. The distributor and carbs sometimes get in a weird feedback loop and the idle suffers. The best solution is the 123 distributor. Stay tuned for that video too. I have some stealthy planned

@dra911 Год назад

@@GarageTimeAutoResto I probably mislead you a bit there... The engine I'm running doesn't have a distributor (it's running MicroSquirt + CoP ignition) - but the problem I'm working on is, the revs would fall so fast after a throttle blip, it would stall. My solution so far is to add a dramatic amount of timing (idle advance settings) in the right circumstance (low revs, low load) so it "catches" the engine revs and returns to idle speed nicely. Apparently that's how it's done, so people tell me. Consequently, I was just fascinated in how smoothly (if a little slowly) this 356 returned to idle speed with just the behaviour of the distributor!

@GarageTimeAutoResto Год назад

Oh, I see. You've gone all techy 😃 Your timing strategy sounds like it would work to mimic the slower responding distributor weights. I know my 3.2 engine with electronic timing also sounds like it's going to die when returning to idle. Especially with a light flywheel.

@dra911 Год назад

@@GarageTimeAutoResto Yep, that's right... So I spoke to a few others, and this way (via ignition timing) is an acceptable way of doing it. On the 3.2 Carrera and 928, they actually use their idle motors to soften the revs as well back to idle speed. I was so happy just to get it started with EFI, but it seems it's just the beginning of the journey.

@GarageTimeAutoResto Год назад

Well I'm right behind you. Stay tuned for more ITB fun!

@jockellis Год назад

Wish I could have gleaned all this good info from my Elfrink manual In 1970. Will you dyno it once you have everything like you want it? Hope so.

@GarageTimeAutoResto Год назад

Dyno is a nice to have, but if the opportunity comes I would gladly do it. I just want good driveability and decent power. Mac is the go fast car and will definitely see some Dyno time.

@jockellis Год назад

@@GarageTimeAutoResto True, but you’d get another video out of it. Did you port and polish the heads? With almost 10% more cubes and a somewhat hotter cam I’d think 125 HP.

@GarageTimeAutoResto Год назад

No porting or polishing, but I did make sure the seat angles were good for flow.

@craiggeiger167 Год назад

Rookie question here - why didn’t you use the colortune plugs (from your Weber vid)?

@krusher74 8 месяцев назад

well you got a like but no answer.

@polloloci21 Месяц назад

Tom - for these 616 engines- do you have a preference between the Solex and the Webers?

@GarageTimeAutoResto Месяц назад

Personally, I think the driveability and smoothness is better with Solex. However the problems with sunk floats and shaft wear is no fun. Webers have clogged idle jets all the time, so there really is no clear winner.

@polloloci21 Месяц назад

@@GarageTimeAutoResto I have a set of each for my 912 project. wasn’t sure if I should get rid of the Webers since I’ve always heard solex would be best - but I think my solex will require a complete rebuild. One last question- do you have any experience with LN Nickies? I picked up a set years ago (with JE pistons). Haven’t used them- they say to replace the head studs with ARP but have also heard otherwise. This won’t be a race engine. 🤷🏻‍♂️

@schuttrostig5729 Год назад

As long as you dont drive it through the desert you are fine without the air cleaners. I have no idea what jets you need, but i am sure you will figure that out.

@GarageTimeAutoResto Год назад

The other trouble with jets is they are often modified. All used jets need to be checked

@rsrguy Год назад

@@GarageTimeAutoResto yup... do you have a set of jet bits?

@GarageTimeAutoResto Год назад

I have pin gauges in .001" increments.

@krusher74 8 месяцев назад

what they measure and what they flow are two different things@@GarageTimeAutoResto

@davidmaldonado4849 11 месяцев назад

Do you want a set of solex p11 split shaft

@GarageTimeAutoResto 11 месяцев назад

Sure

@davidmaldonado4849 11 месяцев назад

@@GarageTimeAutoResto do you need any 356 parts?

@walterkucharski4790 Год назад

I don't see you doing anything wrong. Sorry! I used to do the same tuning on my boss's Ferrari with 6 twin Webers. A real challenge!

@GarageTimeAutoResto Год назад

Thanks Walter, I'm going to have to post strange things to get people to comment!

@polloloci21 Год назад

Thanks for the info Tom. No clue on the main jets size. Also don’t drive with the air cleaners off 😂 🫣 (joking of course)

@GarageTimeAutoResto Год назад

Ha ha! Now we need one more to say don't drive without all the engine tin in place.

@krusher74 8 месяцев назад

i dont understand why we are happy with no air cleaners?

@polloloci21 8 месяцев назад

@@krusher74- hello, it’s understood that this is just temporary while he diagnoses the issue. Agreed- a little risky and could possibly ingest something in the engine- but Tom knows what he’s doing

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