<VV> 1963 versus 1964 Exhaust crossover

[Bill Hubbell]

Jeez Louise!  Ask somebody who actually owns a '64!  The '64 uses an oval shaped muffler, same as '65-'69, as opposed to the round muffler on '60-'63, so the crossover was changed to accommodate the different placement of the muffler inlet. 

Bill

On Jun 11, 2012, at 12:46 AM, "J R Read" <hmlinc at sbcglobal.net> wrote:

> The "extra room" came from modifications to the crankcase and the rod 
> length - with changes to the wrist pin location on the pistons.  I suspect 
> that the mod to the crossover (I'm not an EM guy) may have had something to 
> do with the addition of the transverse spring.
> 
> Later, JR
> 
> 
> ----- Original Message ----- 
> From: "Ramon Rodriguez III" <corvairgrymm at gmail.com>
> To: "Doug Mackintosh" <dougmackintosh at yahoo.com>
> Cc: "Virtual Vairs" <virtualvairs at corvair.org>
> Sent: Sunday, June 10, 2012 10:33 PM
> Subject: Re: <VV> 1963 versus 1964 Exhaust crossover
> 
> 
>> Well, 64 was the year the engine was stroked to 164 cid from 145 cid.  I
>> would assume that this spread the heads farther apart and necessitated the
>> modification of the crossover pipe to bridge the slightly longer distance
>> from one head (and therefore exhaust manifold) to the other.
>> 
>> Ray "Grymm" Rodriguez III
>> Lake Ariel, PA
>> 
>> On Sun, Jun 10, 2012 at 9:42 PM, Doug Mackintosh
>> <dougmackintosh at yahoo.com>wrote:
>> 
>>> I see a different part # for 1960-63 vs. 1964-69 exhaust crossover. Can
>>> someone tell me the difference?
>>> 
>>> 
>>> -- Doug Mackintosh