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I was wondering if I could put a roller cam from a 94 up 3100 in my 91 3.1 I would like to get 180-200 hp out of it I have a 3100 topend and that will get ported and a valve job for the heads I had a 96 lumina with a 3100 and it seemed like it seemed like it had a lot better throttle response and more HP so I hope if I rebulid my 3.1 with a 3100 top end It should have some descent gains
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you can do the hybrid using the stock flat tappet cam with the 3100 heads and upper/lower intake manifold.
As far as using the roller cam, I don't think so. There is not any provisions in the block for the anti-rotation bars.
I have not tried it myself, but I can't think of a way to get the roller cam to work. A lot of people have gotten some really good responce with the normal flat tappet style and doing the hybrid.Taylor
1988 Olds Cutlass Supreme 3100 MPFI
1990 Pontiac Grand Prix STE 3.1 MPFI
1994 Olds Cutlass Supreme convertible
1998 Lincoln Mark VIII
"find something simple and complicate it"
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Nope, the oiling is all wrong, no mounting bosses for the anti-rotation bars etc...
check out the Crane H260-2 and H272-2 flat tappet cams, they make great power in hybrids..
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http://www.schneidercams.com/ there are roller cams out there, custom or not. you might have to grind the LIM to clear the lifters. you can also talk to a few cam maunfacturers about the oiling issues. can't say for sure which side, but i believe you can use buck 3800 roller lifters for one bank, and SBC rollers for the other. turboz24 has done this.Andy
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62mm TB, 1.6 roller tip rockers, Ostrich 2.0, UD pulley, TB heater bypass, K&N, 180* stat, No cat, 99Grand AM dual cooling fans. 4T65E swap FDR 3.69, EP LSD, F.A.S.T. transmission controller, TransGo shift kit.
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You didn't specify the car/year your 3.1 is from, but does your car already have DIS. If not how are you going about the ignition (distributor/DIS)?Comment
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