Damn John, so far I've got about 7 k in an engine to run one friggin race! Thats not counting the nitros injection from Nitrox!
BTW, why a Rapid Crapper, that STV would eat it for lunch. :hammerhea
Kevin part number 84066a12 top guided 1.5 mil. Pro Marine cast is 481.i come up with part#39-848200A12 and it looks like dealor cost is $350 or so :supp: will the pro marine rings seal as good?another poor mans/middle class option is to buy the set 848200A6 which is six rings and use an old ring on bottom.sounds cheezeball,but the bottom ring doesnt do any sealing in this application just transfers heat.i have heard of drag guys leaving the bottom ring out.just my $.02