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Old 12-23-2005, 09:44 PM   #1
Bigcheese327
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Default Corvair Turbo + 283 Chevy = ??

I know nothing about turbocharging. Just wondering if you could conceivably run a Corvair turbo on a 283. I know 'Vair engines are a lot smaller than the small block, but even a little boost might help, right...? Just curious. They sure do look cool...





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Old 12-23-2005, 10:11 PM   #2
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Default Re: Corvair Turbo + 283 Chevy = ??

It could work, but I think the turbo's probably way to small. It might produce some boost, but I bet the top end would suffer, just like running a carb thats to small.
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Old 12-23-2005, 10:29 PM   #3
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Default Re: Corvair Turbo + 283 Chevy = ??

Is that your `Vair? I`ll glady buy you the biggest turbo you want for that!
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Old 12-23-2005, 10:33 PM   #4
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Default Re: Corvair Turbo + 283 Chevy = ??

Quote:
Originally Posted by Bugman
It could work, but I think the turbo's probably way to small. It might produce some boost, but I bet the top end would suffer, just like running a carb thats to small.
Just put 2 in!
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Old 12-23-2005, 10:57 PM   #5
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Default Re: Corvair Turbo + 283 Chevy = ??

Quote:
Originally Posted by Rocket Sled
Just put 2 in!
I'm down for that. In fact, I've also got a spare corvair turbo andcarb I might be able to part with. needs a full rebuild though, including replacing a chipped impeller.
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Old 12-23-2005, 11:26 PM   #6
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Default Re: Corvair Turbo + 283 Chevy = ??

I think even 2 would be too small for a v-8. Twin t3 turbos off of turbocoupe thunderbirds would be more suffecient. The draw through setup on those corvair engines is really old tech as well. The fuel tends to sit in the turbos after you shut the engine off and boil. A blow through setup would be easier and more reliable. I know alot about turbos and such so ask away.
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Old 12-23-2005, 11:44 PM   #7
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Default Re: Corvair Turbo + 283 Chevy = ??

Quote:
Originally Posted by Rocket Sled
Just put 2 in!
That's what I was thinking. Get a dual quad intake and plumb one from the right exhaust to the rear intake, one from the left exhaust to the front intake, or vice versa.

Maybe you could use a Corvette crossfire injection manifold? Seal it off inside so you have two seperate chambers? I'm thinking you want a seperate chamber for each turbo otherwise one would be blowing right out the other.

If the stock Corvair turbo would handle 150hp, two ought to be able to handle 300hp.
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Old 12-24-2005, 12:21 AM   #8
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Default Re: Corvair Turbo + 283 Chevy = ??

Also if I remember right, Corvair engines (the later ones) are 164cid so if you run two, that's 328cid... so it should puff up a 283 pretty good? I love Corvairs but never had a turbo so it would be neat to see someone stuff a pair of these on top of a 283 and see what happens.


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Old 12-24-2005, 02:16 AM   #9
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Default Re: Corvair Turbo + 283 Chevy = ??

The plumbing is the hard part. There are turbos available cheaper than Corvair units that will give more boost and reliability.

I've never done one, but I've talked to people who have done backyard turbo systems on the cheap with great results.

I think the reason they aren't more popular is the general uglyness of a turbo setup, and carb complications.
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Old 12-24-2005, 04:43 AM   #10
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Default Re: Corvair Turbo + 283 Chevy = ??

Yeah your best bet would be to use a blow through setup with a modded holley double pump with mech. secondaries. Go to turbomustangs.com, they have a whole section dedicated to carb setups. Im also doing a turbo setup on my 66 stang with a carb. Its a single though.
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Old 12-24-2005, 09:49 AM   #11
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Default Re: Corvair Turbo + 283 Chevy = ??

Quote:
Originally Posted by Sanderson37
Yeah your best bet would be to use a blow through setup with a modded holley double pump with mech. secondaries. Go to turbomustangs.com, they have a whole section dedicated to carb setups. Im also doing a turbo setup on my 66 stang with a carb. Its a single though.
I'd wanted to addapt one to the small Ford I-6 in the Mustang/Falcon/Econoline with the 1BBL cast in log manifold. Fortunately the owner of the van took it back before I could convince her to do it. That one little hole for it to breath thru just begs to be force fed.
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Old 12-24-2005, 02:04 PM   #12
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Default Re: Corvair Turbo + 283 Chevy = ??

I think it would be a lot easier to use the system from a Turbo 3.8 Buick. They are just adapted to a semi-stock Q-Jet manifold. You would just have to make up the exhaust connections.
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Old 12-24-2005, 02:41 PM   #13
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Default Re: Corvair Turbo + 283 Chevy = ??

Had a "Ford guy" buddy that did something similar on several cars using 2 turbos from some Ford 4 cyl. blowing through dual quad intakes. Seemed to work well and was cheap and easy. (or quick and dirty)
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Old 12-24-2005, 05:41 PM   #14
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Default Re: Corvair Turbo + 283 Chevy = ??

think it will be killer off the line, but will spool out about mid way up the power band.
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Old 12-26-2005, 03:51 PM   #15
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Default Re: Corvair Turbo + 283 Chevy = ??

Thanks for the input guys. How different do the other turbos that have been mentioned here look from the sixties version? As long as it didn't look out of place on an early sixties 283, I'd be happy. Primarily I'm mad about the decal! I love that factory performance look, even if it's a fictional setup (perhaps that should read "especially"?). I'm bent on doing a front-engine early 'Vair coupe one day and this was one of my powertrain options.
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Old 12-26-2005, 04:47 PM   #16
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Default Re: Corvair Turbo + 283 Chevy = ??

You have seen Metalshapes', yes??Very traditional and fast as a mutha.
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Old 12-26-2005, 04:55 PM   #17
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Default Re: Corvair Turbo + 283 Chevy = ??

Quote:
Originally Posted by flamedabone
You have seen Metalshapes', yes??Very traditional and fast as a mutha.
No! Wow, very cool. This is the price I pay for never being on the HAMB in the summer. I miss the coolest posts and end up reading a bunch about Von Dutch Cola.

So what's the turbo from? What's it on? Aw stuff it, I'll do a few searches, I can't wait to read the details!
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Old 12-26-2005, 04:57 PM   #18
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Default Re: Corvair Turbo + 283 Chevy = ??

Wait... isn't that a centrifugal supercharger? I see a belt drive...
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Old 12-26-2005, 05:00 PM   #19
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Default Re: Corvair Turbo + 283 Chevy = ??

Quote:
Originally Posted by Bigcheese327
Wait... isn't that a centrifugal supercharger? I see a belt drive...
Yup, it is. I've seen it in person, but i dont remember the brand.
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Old 12-26-2005, 05:14 PM   #20
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Default Re: Corvair Turbo + 283 Chevy = ??

That's a Paxton-McCulloch VS57
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Old 12-26-2005, 05:34 PM   #21
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Default Re: Corvair Turbo + 283 Chevy = ??

Oh shit. Oops...Uh, yea, Alex's roadster is a centrifigal woofer. Sorry.

I always lump them into the same category. Both are centrifugal and produce boost..just a bit diffrently.

-Abone.
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Old 12-26-2005, 05:42 PM   #22
Bigcheese327
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Default Re: Corvair Turbo + 283 Chevy = ??

Quote:
Originally Posted by flamedabone
Oh shit. Oops...Uh, yea, Alex's roadster is a centrifigal woofer. Sorry.

I always lump them into the same category. Both are centrifugal and produce boost..just a bit diffrently.

-Abone.
No need to apologize, though, a very cool car anyway and I'm glad I read about it! Does anybody have a link to the post where he describes building that car as a unibody? I'm striking out thus far.
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Old 12-26-2005, 06:29 PM   #23
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Default Re: Corvair Turbo + 283 Chevy = ??

Sounds like a good project. Try it and see what happens. Put some sort of check valve on the pressure side so it can suck air if it wants to. Bob
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Old 12-26-2005, 06:42 PM   #24
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Default Re: Corvair Turbo + 283 Chevy = ??

I was building a twin turbo 283 for a while. Unfortunetly circumstances didnt allow me to finish it, but it was a fun project.

Here are a couple pics of it. It was in a 63 Volvo 122, an it used a pair of T3 turbos jsut like what was mentioned earlier.



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Old 12-26-2005, 08:33 PM   #25
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Default Re: Corvair Turbo + 283 Chevy = ??

Im new here and have introduced my self...I know im supposed to wait a little before posting , but this is to hard to resist !!! Here is my corvair !!!! ENJOY
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Old 12-27-2005, 10:41 PM   #26
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Default Re: Corvair Turbo + 283 Chevy = ??

I'm seriously thinking about putting a turbo on my 170 CI 6 popper in my falcon just for shits-n-giggles. Truthfully the best place to get real cheap turbo's is the 80's Chrysler K cars with the 2.2 motors in them. They came in the Omni's, Shadow's, Daytona's, New Yorker's and even the Minivans of the era. Hell there so cheap you could probibly get the car for free, take the turbo off, and sell the rest for scrap and make money on the deal! That's what I did
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Old 12-27-2005, 11:25 PM   #27
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Default Re: Corvair Turbo + 283 Chevy = ??

There's a lot about turbo's and straight sixes on fordsix.com. There are a number of people plumbing them up with good results.
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