Re: Compression ratio advise

>
> Julian wrote:
>>
>> I'm starting to plan rebuilding my 440 to 500cid, and I'm trying to get
a
>> feel for the best compression ratio to use. I'm aiming for around 500
>> bhp/torque and the vehicle must run well of regular pump gas.
>>
>> I'm in the UK and it appears that regular fuel is 95RON and super is 
>> 98RON.
>> (minimum)
>>
>> From the 500cid stroker table at: 
>> http://www.440source.com/strokerkits.htm
>> with 84cc heads (Edelbrock or 440's own new Stealth head) and 88cc
heads
>> (Edelbrock) with bores +30 thou I can have 10.85 or 10.48 (flat top.)
Or
>> 9.28 or 9.01 (dish)
>>
>> I quite fancy working with 84cc heads because it keeps my options open
if
>> and when 440source start to sell their own heads. So do you think 10.85

>> is
>> OK with 95 or 98 octane or is it too much? I don't want to end up
running
>> retarded ignition to stop pinking (and kill the power:-( )
>>
>> What do you all use for street spec?
>>
>> Thanks Julian.

>"Stan Weiss" <srweiss@[EMAIL PROTECTED]
> wrote in message 
>news:4710E9F2.192FEFC9@[EMAIL PROTECTED]
>A couple of im****tant points are cylinder head material (cast iron or
> aluminum) and camshaft timing events.

The heads will almost certainly be aluminium. I haven't decided on the cam

yet, I need more advise here, but basically a street cam that keeps good
low 
down torque, but hotter than stock.

Julian.