<VV> 140 power increase

[Norman C. Witte]

You may wish to check out the 140 "recipes" featured on the Northern Vermont
Corvair Enthusiasts' website:

http://clubs.hemmings.com/frameset.cfm?club=nvce

Norm Witte

> -----Original Message-----
> From: virtualvairs-bounces at corvair.org
> [mailto:virtualvairs-bounces at corvair.org]On Behalf Of Bryan Blackwell
> Sent: Thursday, March 23, 2006 12:36 PM
> To: ron turner
> Cc: Virtual Vairs
> Subject: Re: <VV> 140 power increase
>
>
> Bob's list is very close to what I was thinking as well.  Given the
> budget of $2000 - $2500, you're really not going to get much past a
> high quality rebuild - there just isn't enough volume in the
> market for
> a Corvair equivalent of the small block crate engines.
> However, a good
> rebuild with the noted mods will result in a very nice engine.  I'd
> probably consider using a slightly hotter cam than the 95 cam
> (something around 260 degrees advertised), since the 140 typically
> likes to rev higher than 5k.  I'd think of 3500 - 5500 as the sweet
> spot in the rev range for a nice street 140.  You may wish to
> look over
> some of the pages on my web site for more info, and you should also
> consider picking up a couple of the available books out there.
> --
> Bryan Blackwell bryan at skiblack.com
> http://autoxer.skiblack.com/
>    Corvairs: '61 Lakewood, '64 Greenbrier, '65 Corsa, '66 Corsa
>    '69 Road Runner, '97 Ford F-150, '99 Neon R/T
> "Why do something if you're not going to obsess about it?"
>
> On Mar 23, 2006, at 12:18 AM, BobHelt at aol.com wrote:
>
> > overbore 0.040
> > set squish clearance to thickness of gasket (0.032)
> > increase cr.  9.5 will run on pump gas.  Higher cr will
> take  better
> > fuel
> > pocket port heads.
> > Use 95 hp cam with 140 hp heads.
> > headers
> > Don't bother enlarging carbs unless you rev above 5000.
> >
> > Regards,
> > Bob Helt
>
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