<VV> turbo compression with swapped parts

Frank DuVal corvairduval at cox.net
Wed Oct 9 08:22:35 EDT 2013


Next question, what compression ratio would one get running 1964 164 cu 
in piston/rod assemblies with 145 cu in turbo heads and crankshaft?

So many different parts made, so many possibilities of "it will fit" to 
keep 'em running when they were cheap transportation.

Frank DuVal

On 10/8/2013 8:12 PM, Dennis Pleau wrote:
> Off the top of my head.  These heads are about 8 to 1 on a 164 cubic inch
> displacement engine.  That is about what I remember both the 95hp heads and
> the 164 CDI turbo heads were.  Take those same heads and put them on a 145
> CDI engine and you have 7.1 to one.  That's pretty darn low.  They also
> don't have an oil return for the turbo.
> dp
> -----Original Message-----
> From: virtualvairs-bounces at corvair.org
> [mailto:virtualvairs-bounces at corvair.org] On Behalf Of Mark Durham
> Sent: Tuesday, October 08, 2013 4:45 PM
> To: lonwall at corvairunderground.com; virtualvairs at corvair.org
> Subject: Re: <VV> Scrapping Cylinder Heads 3856626
> glam, it looks like the cylinder heads are usable per Lon. Go for it.!
> Mark Durham
> Hauser idaho
> Sent from my Windows Phone
> From: lonwall at corvairunderground.com
> Sent: 10/8/2013 14:34
> To: virtualvairs at corvair.org
> Subject: Re: <VV> Scrapping Cylinder Heads 3856626 The difference in
> compression ratio is very small. I have seen them used for turbo heads and
> they have worked fine-
> Lon
> www.corvairunderground.com
> n 10/8/2013 2:00 PM, Mark Durham wrote:
>> Glen, they are 64 95 hp heads. they look similar to the early 62/63
>> turbo heads, but may have a different compression ratio. Anyone out
>> there know the difference?

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