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Old 01-14-2006, 15:01   #5 (permalink)
Wound Up
 
Posts: n/a
Re: What's my compression ratio? (head swap question)

Stan Weiss wrote:
> More information is needed to answer this question.
> ex 327 ci engine 62 cc 9.62 cr 64 cc 9.4035 cr 58 cc 10.0882 CR
> 428 ci engine 62 cc 9.62 cr 64 cc 9.4532 cr 58 cc 9.9742 CR
> As you can see the smaller engine has a greater change. In each case the
> total volume needed for that CR is found, then adjusted and the CR
> recalculated.
> I have a calculator on my web page that will do this for you.
> http://users.erols.com/srweiss/index.html#jcalc
> Stan


I saw your shop's page was on our page, but I'll add this link somewhere
else.

>
> 66 6F HCS wrote:
>
>>I have 62cc heads currently and my CR is 9.62:1. If I switch to 64cc heads
>>what would my CR be then? 58cc? What's the math?
>>
>>--
>>Scott W.
>>'66 HCS Mustang 289
>>'68 Ranchero 500 302
>>'69 Mustang Sportsroof 351W
>>ThunderSnake #57
>>http://home.comcast.net/~vanguard92/

>



--
Wound Up
ThunderSnake #65

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