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i have 1:5 rocker arms in my 350 now, i was wondering if i could put 1:6 rocker arms in w/o clearance problems, and anything else i should consider when buying them.

I was thinking of going with the roller tip design, and i have a Comp Cams 270 magnum cam

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67 camaro SSclone, 350 ci bored .030, turbo350, 3:08-soon to be 12 blt. 4:10, B&M mega-shifter, K&N air cleaner, 750 holley, cragar s/swheels, elec fan
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Pick-up the Feb. 2002 issue of Super Chevy where they show an improvement in in horsepower and torque with aftermarket 1.52 rockers ,but a 40 h.p. loss with 1.6's because the pushrods rubbed the cylinder heads. There have been numerous questions and posts on this lately, so do a search !

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69 Camaro Z28 "clone" - 327 AT
"461" camel back heads,
edelbrock, hooker, ultradyne,
TRW etc.
700R4 TPI transmission
 

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There is a drill guide sold by Bill Mitchell, www.engineshop.com to lengthen the pushrod slot in the head for 1.6 rocker arms. You'll have to remove the guide plates.

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Everett 68/350/PG/11.90/115mph
 
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