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Old 09-08-2010, 03:50 PM
Johan Lokander's Avatar
Johan Lokander Johan Lokander is offline
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Solid flattappet vs. Solid roller

Hello.I have no experiens on Roller cams, so I wold apretiate som help on the subjekt.

Im about to bye a Chevelle -70 whit a 454"(.30" over) whit a solid flat tappet cam.Unfortnitly I havent the specs on the cam at the moment, but its a farly mild cam, the engin dont make powe over 6000rpm and the car sems cuite streetabil.The engin have made 537hp on a dyno.

The Car have ben used whith 200hp Nitrous on the strip, but sens I dont have anny experiens on Nitrous (either) and dont planing on drive mutch on the strip, I wold rater have some more hp in the engine, if I culd get some whitout sacrifice driveabillity, and dont use the Nitroz.

The specs on the engin I know at the moment are Edelbrock heads, Weland 2 plane manifold, Holly 850dp, MSD 6al, Hooker 1 7/8 headers and 3" exaust whit X-pipe.
The car has 3.90:1 in the axel and stock chassie (accept diffrent controle arms and shocks etc.).At the moment it has 275/60-15 M&H radials but I probobly get some 28" high and as whide as fits slicks or DOT tire that i can use when Im in a hurry...

Anny way, If I understan corektly, I culd gane som power whitout sacrifise drivability whit a roller cam.What wold be a good roller came to this cobo and how mutch more power wold I likely gane?
Wold anny of thise be a good candidate?
http://www.compcams.com/Company/CC/c...?csid=498&sb=2
XR274R

http://www.compcams.com/Company/CC/c...?csid=499&sb=2
XR280R

If its anny world you dont understand, dont hasitate to ask!
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