Originally Posted by Mike Rainbird
Phil,
I have been driven in a rally car with restrictor on the road and they are PANTs. Do NOT go down this route, you WILL be dissappointed. Power tails off so much at top end that it feels like a parachute has been deployed
. You certainly will not want 4.4 diffs
Mike, were some of the rally engines also very low compression....like 6.8:1 ?
I noticed in the Cosworth catalogue that they do 6.8: 1 comp pistons....