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Old 02-27-2001, 03:39 PM   #4
LX XLR8R
Dirk Diggler
 
Join Date: Feb 1999
Location: SLOATSBURG, NY
Posts: 1,931
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Quote:
Originally posted by Frying Rice:
Sorry to rain on you're parade, but neither of these cams will work in a 351. The 351 was never offered with a roller cam and lifters so all of them have short lifter bores for flat tappet cams. You will need to have a custom, small base circle cam made for you're application and purchase a roller cam conversion kit. The stage 1 TFS cam is not agressive enough for the heads anyways. It is also a dual pattern design which is not needed because the TFS exhaust ports flow very well, within 80% of the intake i believe. A dual pattern cam is not needed unless you drop below about 75%. A better cam would be around 225-230 duration at .050 on both sides with around 550 lift. To use this much lift though the pistons would have to be clearanced for the valves. Without doing this you're limited to about 520 lift (depending on duration) with TFS heads because of they're altered valve angle. You're best bet would be to talk to a performance engine builder and have them help you select a cam for you're combo.

haha..sorry to rain on your parade, but whats a 94-95Lighting(amunst many other cars and trucks) got them..and you can retofit any old 302 or 351 to take a roller cam with a simple kit..also they still make a 351 roller motor right now..its called a Saleen S351..infact i think the 351 sportmans block is setup for roller


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1987 black notch(ex 4 banger)
DSS 306 w/ main support...Elderbrock 6028 heads..gt-40 intake..24# injectors...70 mm tb..77 pro-m...accel 300+..mac full legnth..tremec w/ pro5oh...full MAC exhaust,off road h-pipe,long tubes, catback...ron davis radiator..subframes, control arms...CFDF II..o yea holley FPR sucks..dont buy one..
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