<VV> Corvair questions

[John Sweet]

Mel,
According to The GM P&A they list the following Valve spring caps,

6256839 which is for the 60-3 except high performance and Spyder.  The OD is 
1 1/32.

3729363 which is for the 60-3 with high performance and Spyder plus 64-9 
all.  The 64-5 FC inlet is stamped with an H.  The OD is 1 3/16.

3851837 61-5 FC exhaust which is the valve rotator..
John Sweet
----- Original Message ----- 
From: "Mel Herwald" <mherwald at mgwnet.com>
To: <virtualvairs at corvair.org>
Sent: Thursday, May 06, 2010 8:53 PM
Subject: <VV> Corvair questions


> I'm a serious lurker. For a long time I have pondered many Corvair related
> questions.
>
> Now seems to be a good time to ask some of them. This time I'll 
> concentrate
> on heads.
>
> Question #1: I've torn down several dual spring heads. Some intake valves
> have T1 stamped on them and some have just a T. What is the difference?
>
> Question #2: There are different thickness and shaped retainers. Was this
> due to different vendors or is there some other reason?
>
> Question #3: Why do most intake valves have one groove and most exhaust
> valves have 4 grooves? FC valves with rotators may be an exception.
>
> Looking forward to some informative replies. Thank you.
>
> Mel Herwald
>
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