Search found 1054 matches

by miniman82
Mon Jan 09, 2017 10:44 am
Forum: Ask your Mechanical Questions here
Topic: Ignition timing range ?
Replies: 17
Views: 397

Re: Ignition timing range ?

Just more reasons to get rid of the distributor, if you ask me!
by miniman82
Mon Jan 09, 2017 10:41 am
Forum: Ask your Mechanical Questions here
Topic: Turbo issues..
Replies: 8
Views: 311

Re: Turbo issues..

Could still be welded, but there are better housings out there...
by miniman82
Sat Jan 07, 2017 7:42 pm
Forum: Parts Wanted
Topic: Turbo
Replies: 5
Views: 288

Re: Turbo

I rebuild turbos for members here, if you're having issues drop me a line. I'm working on another members turbo right now, but it will be done this week.
by miniman82
Sat Jan 07, 2017 7:39 pm
Forum: Ask your Mechanical Questions here
Topic: Ignition timing range ?
Replies: 17
Views: 397

Re: Ignition timing range ?

What is the timing range for an LM Turbo. I know the advance limit is 24 degrees. Once the turbo kicks in, what is the retard range as the boost increases? Advance limit? Not aware of that term, but the 24* figure you referred to is base timing at idle. Then as Brad stated there is some centrifugal...
by miniman82
Sat Jan 07, 2017 7:32 pm
Forum: Ask your Mechanical Questions here
Topic: Gasoline Opinions...
Replies: 20
Views: 765

Re: Gasoline Opinions...

Octane boost is the devil, only thing I ever got from that stuff is fouled plugs!
by miniman82
Sat Jan 07, 2017 7:29 pm
Forum: Ask your Mechanical Questions here
Topic: Turbo issues..
Replies: 8
Views: 311

Re: Turbo issues..

The housing in your first picture has either been welded or had a sleeve pressed into it, to correct an oil leakage problem resulting from the turbine oil seal being jammed into the housing and gouging it. You should use a later Rajay 310 series heat shield with it since it has the correct size hole...
by miniman82
Fri Dec 23, 2016 12:51 pm
Forum: DIY - Explanations and Demonstrations
Topic: what to look for when buying a corvair?
Replies: 6
Views: 289

Re: what to look for when buying a corvair?

Look for a turbo!

Jk, vairy merry Christmas!
by miniman82
Sat Dec 17, 2016 6:22 am
Forum: Ask your Mechanical Questions here
Topic: Gasoline Opinions...
Replies: 20
Views: 765

Re: Gasoline Opinions...

I have Megajolt does that count? :p

No knock sensing, but crank trigger and mapped advance helps a whole lot in avoiding knock related problems.
by miniman82
Fri Dec 16, 2016 1:58 pm
Forum: Ask your Mechanical Questions here
Topic: Gasoline Opinions...
Replies: 20
Views: 765

Re: Gasoline Opinions...

which modern day gas would be better for an old turbocharged corvair - the 93 octane + 10% Ethanol gas or the 85 octane alcohol-free gas? Define 'better'? If driving cheaply is your goal, the answer is obvious. If you aim to drive on boost at all, you need as much octane as you can get to avoid det...
by miniman82
Wed Dec 14, 2016 8:39 am
Forum: Ask your Mechanical Questions here
Topic: Ignition timing question
Replies: 30
Views: 1215

Re: Ignition timing question

Probably not. Because these engines run so rich, carbon immediately covers up any aluminum flecks that would have migrated to the plug electrodes. Just listen for signs and be careful.
by miniman82
Tue Dec 13, 2016 6:53 pm
Forum: Ask your Mechanical Questions here
Topic: Ignition timing question
Replies: 30
Views: 1215

Re: Ignition timing question

No problem. Whatever you do, don't allow the engine to detonate for very long. Sounds like someone's shaking a rattle can of paint inside your engine, but it's actually preignition trying to melt your pistons. Can be a result of too lean a mixture under heavy load, too much timing advance, or the he...
by miniman82
Sun Dec 11, 2016 8:38 pm
Forum: Ask your Mechanical Questions here
Topic: Ignition timing question
Replies: 30
Views: 1215

Re: Ignition timing question

Just for reference: Vacuum advance works in tandem with lean mixtures at cruise to give better economy; the slower flame speeds experienced with lean mixtures means the spark has to happen earlier, hence the timing advance. What this means is if you can't lean out during cruising situations, much of...
by miniman82
Sat Dec 03, 2016 8:49 pm
Forum: Ask your Mechanical Questions here
Topic: Ignition timing question
Replies: 30
Views: 1215

Re: Ignition timing question

It's not a kit per se, you piece it together yourself. Here, I wrote an article for people to follow when converting their cars.

http://www.corvairnut.com/EDIS.htm

There's also the J&S safeguard, but it's a lot more money.
by miniman82
Fri Dec 02, 2016 6:07 pm
Forum: Ask your Mechanical Questions here
Topic: Ignition timing question
Replies: 30
Views: 1215

Re: Ignition timing question

Just to add on to what Brad has been saying, I don't regard the pressure retard units very highly, though I have no experience with the Clark repop. The (stock) one in my car gave me nothing but grief, so I gave in and installed a crank triggered ignition which serves me very well. You can adjust it...
by miniman82
Tue Nov 22, 2016 6:43 pm
Forum: Ask your Mechanical Questions here
Topic: Engine Brake In
Replies: 10
Views: 329

Re: Engine Brake In

There's a reason my other often viewed forum has a catch-all thread dedicated to oils, other threads that pop up are locked because an oil thread every 5 minutes is pedantic. Having said that, there are 2 things I've found to be true with Corvairs. The first is that the turbo cars have a woefully un...
by miniman82
Sat Nov 19, 2016 6:58 pm
Forum: Ask your Mechanical Questions here
Topic: Working out bugs w/ 65 Corsa / no Turbo boost
Replies: 6
Views: 182

Re: Working out bugs w/ 65 Corsa / no Turbo boost

One last thing, make sure you have the correct carb. The 150 and 180 carbs look very similar, but if remember correctly they are in fact sized a little different. That means a 150 carb on a 180 engine might cause an intake restriction, leading to a no boost situation.

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