![]() ![]() 474/.510) than your heads and tune will handle. My guess is that the ZZ4, while a really good cam (used a couple of 'em) for appropriate use, just might be a bit more &. 040 over 305 block) with L98 aluminum heads. My brother needed one and I'm planning to use the other in a 336 (3.75 stroked. I bought two of 'em a few years ago just because they were cheap (for hr cams) at $140 for the pair shipped, off of ebay back when guys were replacing them in Ramjet and HT383 crate motors with stupid thumpy cams. Haven't used one myself yet, but everything I've read about it (and that is LOTS) makes me think it is something you ought to look in to, if you want good low to mid rpm grunt. Looking to overhaul on a budget, will the linked parts do Oil pressure has dropped from 50psi cold to 30, 30 warm highway to 15, 15 warm idle to zero over the past few hundred miles. Oil pressure has dropped to zero at idle (no noises, yet). In order to use these camshafts in 1965-66 396-427 blocks, it is necessary to machine a 3/16'' wide x 7/64'' deep groove in the rear main journal. 1 Posted by22 days ago 1991 C1500, stock tbi 350. Use stock, Edelbrock Sure Seat 350-5862, or equivalent valve springs. Moderate lift and duration is supposed to wake up the stock 350 and still play nice with your oe heads and tune. Use Performer-Link Timing Chain Gear Set 350-7810, Accu-Drive gear drive 350-7891, or similar set. For what my 1 cent is worth I think the cam you are looking for is the GM "Ramjet" p/n 14097395 cam. ![]()
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