<VV> 1963 versus 1964 Exhaust crossover

[henry kaczmarek]

Thank you, oh PhD of the 64, for your sage and wise answer!!
I was getting tired of the speculations!

Hank



> 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
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