<VV> For the Engine Builders

[Harry Yarnell]

Somewhere around '64-65, they changed the jug diameter where it enters the 
head, but can't remember exactly. I coulda looked it up, but...nah.

Harry Yarnell
Perryman garage and orphanage
Perryman, MD
hyarnell1 at earthlink.net
----- Original Message ----- 
From: <kaczmarek at charter.net>
To: <Virtualvairs at corvair.org>
Cc: <Corvairman60 at hotmail.com>
Sent: Friday, March 06, 2009 12:05 PM
Subject: <VV> For the Engine Builders


> Need assistance from those with a lot of engine building experience.
>
> I bought a 61 FC motor last fall for my 62 rampy.  It has 80HP heads on it 
> presently.  Paired with a PG that doesn't provide the horsepower i'd like 
> it to have.
>
> So I bought a set of 64 110 HP heads from Bryan Blackwell to boost up the 
> power.
>
> The heads were in pretty good shape, but there's a couple of loose guides, 
> and you can tell from the bluing on the parts that the engine (one that 
> Bryan was stripping down) had been run hot, and more than once.  So I'm 
> going to go through and replace all the parts.
>
> But before I do that, Here's the quandary I find myself in.
>
> Since the 64 engine had a longer stroke than the 61-63, Will I get 
> equivalent 110 HP from these heads using the shorter stroke 61 engine? 
> Would machining down the Head Gasket surfaces some provide more CC's to 
> increase the power to where I want it to be?
>
> Would I be better off with 102 HP heads?
>
> Will be using 61 carbs with Manual choke, I'll probably jet them a bit 
> bigger.
>
> Any input from those with experience would be great, and if someone could 
> cross post this to fastvair I'd appreciate it.
>
>
> Best Regards
> HANK
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