JE Racing also has a 12.1:1 if your interested...
http://www.sparksracing.com/center/trx450r/TRX450_engine.htm
http://www.sparksracing.com/center/trx450r/TRX450_engine.htm
Cool! That's more what I was looking for.Originally posted by TrX450rKiD@May 2 2004, 06:35 PM
JE Racing also has a 12.1:1 if your interested...
http://www.sparksracing.com/center/trx450r/TRX450_engine.htm
Sorry, I meant piston, not cam....Originally posted by fast@May 3 2004, 09:58 AM
y wood u what xr400 cams it would mpst likely make it slower
Man, I am smoking my socks this morning. Guess I need more coffee...Originally posted by fast@May 3 2004, 10:04 AM
450r's bore is 94mm and the compression is 10.5:1
400's bore is 85mm and the compression is 9.3:1 and is air-cooled
they are not even close
At 11.75:1 could I run 93 octane?? That is the highest pump we have around here...just makin sure becasue someone else said they have 94 octane...Originally posted by 04450r86250r@May 3 2004, 05:03 PM
11.75:1
12:1 you want to start running race fuel
sunoco is the shizzle my nizzle fo rizzle.you guys prolly never even heard of Sunoco[/b]