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> A 72 1.7 "turbo" story
scottthephotog
post Jun 18 2021, 10:11 AM
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That's really interesting that they added a variable fuel pressure regulator for the 2.0L. I'm sure both could have used it though. If I ever get around to installing the kit, I've thought about using the cold start injector as a fuel enrichment source on boost. The variable fuel pressure regulator seems like a better idea though! I wonder how much additional pressure it added on boost.
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gandalf_025
post Jun 18 2021, 11:30 AM
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I’ve owned many Corvair Turbos over the years and used one as a winter car every
year when I put the 914 away for the season..
It did have a primitive system, but it worked pretty well considering the era and the fact
it was in a production car..
It had a pressure retard in the distributor and also didn’t need a waste gate because of the size of the carburetor, exhaust housing and exhaust system limiting boost.
Sodium exhaust valves and a nitrated crank helped it survive also.

Different compressor impellers, exhaust scrolls and Weber 2 barrel carb adapters
were readily available… As well as oversized forged pistons..

I still keep a turbo setup on a shelf above my workbench.

My 930 was a very different animal and I did use one those Hobbs pressure switches
To control an alcohol injection system for it when I bumped the compression, put in SC cams, changed the spring in the waste gate and twin plugged it….




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wonkipop
post Jun 20 2021, 06:05 AM
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QUOTE(gandalf_025 @ Jun 18 2021, 11:30 AM) *

I’ve owned many Corvair Turbos over the years and used one as a winter car every
year when I put the 914 away for the season..
It did have a primitive system, but it worked pretty well considering the era and the fact
it was in a production car..
It had a pressure retard in the distributor and also didn’t need a waste gate because of the size of the carburetor, exhaust housing and exhaust system limiting boost.
Sodium exhaust valves and a nitrated crank helped it survive also.

Different compressor impellers, exhaust scrolls and Weber 2 barrel carb adapters
were readily available… As well as oversized forged pistons..

I still keep a turbo setup on a shelf above my workbench.

My 930 was a very different animal and I did use one those Hobbs pressure switches
To control an alcohol injection system for it when I bumped the compression, put in SC cams, changed the spring in the waste gate and twin plugged it….




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"and the fact it was in a production car."

you said it.
about 7-8 years at least in front of porsche?
they were pretty good those corvairs.
not many of them down here in aus.
very handsome cars.

its a low pressure set up in the corvairs?
i don't know anything about them.
but they are fascinating.
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