SBC timing chains and push rods?
My first attempt at an IHRA 350/330 (340 corrected) HP crate engine. The Vortec steel head motor,heads were orginally built by Parsons & Myers. I am using the stamped steel GM performance rocker arms. The camshaft is a Comp Cams stocker grind paired with Sherman lifters.
Not looking for deep, dark secrets. Just like to see who recommends what. I can order a chain and push rods out of book or at the local parts store today for that matter. Any brands that are better and maybe why? |
Re: SBC timing chains and push rods?
Cloyes Fast-A-Just timing set, and Comp/Trend 3/8" 0.080" wall pushrods.
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Re: SBC timing chains and push rods?
Rollmaster Timing Set and Comp Trend or Smith Brothers pushrods.
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Re: SBC timing chains and push rods?
compcams # 3100 tue roller timing set w/keyways. its a cloyes unit, heavydudy & priced right @ $49 from comp. ive used lots troublefree. their 3/8" x .080" pushrods also....you'll have to dryrun for the proper length/pattern though...worth the effort.
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Re: SBC timing chains and push rods?
Thanks guys. Gives me a little direction. Wasn't aware of Trend Performance. Looked up their website, some nice stuff.
My partner and I had already discussed the Cloyes timing gear, we'll likely need adjustment when we degree in the cam. He raised a point about push rods. We've never used the Vortec heads on anything. Any problems as far as using stock length push rods? Last thing I want to do is bend a valve. I can't get over how radical the lobes are on these cams. Sure are different than the "stocker" cams we had in the 70's! Right now, my biggest concern is wiping out the cam when we fire this motor up. |
Re: SBC timing chains and push rods?
Robert, the pushrods you get from Comp are Trend.
I prefer a Fast-a-Just over the Hex-a-Just because the Fast-a-Just is stronger, you can adjust it with the valves adjusted, and there is not nearly so much slack in the adjusting mechanism. Also, if you want to adjust the timing later, with the Hex-a-Just, you have to loosen the cam gear retaining bolts. I like to use Loctite on mine. You will probably need to use an adjustable length checking pushrod in order to get the correct length pushrod for geometry and valve lift. |
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