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I'm going to scratch the idea of a bigger cam for right now. I wanted to go w/ some 1.6 RR but now I'm thinking of 1.7's. What do ya'll think? Could you recommend a brand and an aproximate price? Thanks.

 

Not exactly sure where to get 1.7rrs, but definitely remember the extra $100+ for new longer hardened pushrods.

 

i thought the only gm engines to use 1.7 rockers was a big block and an LS1

 

Check out this site http://paceparts.safeshopper.com/236/447.htm?277

 

copied and pasted from the top of the page:

12361323 - BBC 1.7:1 Roller Rocker Arm Kit




BBC = Big Block Chevy

 

If I'm not mistaken the ls1 is the only small block other than the rocket and big block motors that used 1.7 rr's.I would think 1.7's on a standard 23* head would screw up the geometry of the valve train.do the cam you'll be happier.......

 

Sorry about that link, I wasn't paying attention.

I've decided to wait on the cam untill I get my Miniram. Right now I think that if I got a cam to match the intake I'm getting, it will move the power band higher than it is now. Thats what I don't need.
I have the stock TPI w/ a 58mm TB and ported plenum. People say thats why my dyno #'s are messed up. 257hp and 356tq at the wheels.

So I have to use 1.6 right? If ya'll still think I should get a bigger cam now instead of the RR please let me know. Thanks for all your help.

 

260hp at the rear wheels seems about right for a ZZ4. id just save your money and get a cam and the miniram at the same time. possibly changing to 4.10s too.