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thanks for the info I'm pretty sure Mines is going to be in the 12 second range with a slick and a 390 rear endand as far as boring the 400 out to those dimensions its not a problem my grandad had a 412 and ran it for years no problemwith the overheating problem it's not the motors it's the...

yeah manfor now I'm just going to go with my combination but I plan on switching to dart pro1 heads in a solid roller cam

wow man your regal looks good what size tires are you running on the back and gear ratio and are you spraying it to be pulling the wheels up

wow man your regal looks good what size tires are you running on the back and gear ratio and are you spraying it to be pulling the wheels up

cool my 408 should be pretty Beefy on the street

Koolthat's the old stingray low compression motor right

Thanks they are 64cc

thanks for the info my intentions were to use 373 gears and have a hell of a streetcarbut still go to the track and run a good numbermaybe in the mid 12 Or low 12with a good rear end and a street slick

Thanks

NOT SURE ABOUT THE PART NUMBER ONLY BECAUSE I AM across seas however when I return home I will check them out but other than that everything else is correct yes angle plug heads 202 valves screw in studs and guide plates 64 cc closed chamber....and just to save time the steam holes has been...

O AND THEY ARE ANGLE PLUG IF THAT MEAN ANYTHING RO U GUYS

Head #is 3917291 camel hump 64cc closed chamber 202 stainless valves. Factory guide plates screw in studs beehive springs for the high valve lift ...I KNOW ITS A BIT OLD SCHOOL BUT. THEY WERE IN GREAT SHAPE SO I TOOK THE TO THE MACHINIST AND GOT THE WORKS SO THEY CAN MATCH MY CAM

ANY SUGGESTION ON WHAT TYPE OF HEAD I SHOULD GET

ALSO A COMPRESSION GUESSTIMATE WOULDNT HURT

Got a 408sbc for my 84 cutlass......the motor is bored .40over with stock gm dished pistons...camel hump heads 64cc ..with screw in studs and 202valves and guide plates..the cam is a muthr thumper hydraulic roller (12-601-8)..cam 522/509....I just want to know about how much HP and torque is the...