What Rockers??
#1
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Hey my cousin has a trans am LT1..he has a CC503 cam to install but he doesn't know what rockers to get self aligning or not?? also its stock heads complete stock motor only has headers so does he need anything else besides rockers and springs?
also what about lifters? should he stay with the 503? cause he wants a 306 but i think its too big for stock heads? not sure if im right but you guys can let me know so i can tell him lol
also what about lifters? should he stay with the 503? cause he wants a 306 but i think its too big for stock heads? not sure if im right but you guys can let me know so i can tell him lol
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I installed a cc503 about a year ago, here's what you want:
- 7/16 NSA 1.6 Scorpions (or whichever brand you want)
- 7/16 ARP studs
- Comp Lifters
- Comp 918 Springs
- New valve spring locks,seats,seals
- Trickflow hardened pushrods
- Trickflow guideplates
Have fun!
- 7/16 NSA 1.6 Scorpions (or whichever brand you want)
- 7/16 ARP studs
- Comp Lifters
- Comp 918 Springs
- New valve spring locks,seats,seals
- Trickflow hardened pushrods
- Trickflow guideplates
Have fun!
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#10
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ok thanks imma let him know..you guys are a huge help!!..imma post a video of my car later today because i need some help identifying a noise im hearing soo keep a look out lol
#13
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If the heads have never been off, or if you're pulling them to do the springs (you don't need to) and you're installing them back with no change in gasket thickness, stock sized PRs are fine (7.2").
You don't need to pull the heads to change springs, of course. Just rotate the engine so the cylinder you're working on has the piston high enough to keep the valves from dropping while you change springs.
You don't need to pull the heads to change springs, of course. Just rotate the engine so the cylinder you're working on has the piston high enough to keep the valves from dropping while you change springs.
#14
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ok i dont plan on taking the heads off i mean im changing the cam and im having someone do this so hopefully they dont take the heads off either if they dont have too lol thanks
#15
Self aligning are perfectly fine for that cam, this isnt a 23x/24x cam spinning above 6500. Some Comp Pro Mags and LS7 lifters will work just fine. Also the 306 isnt too big for stock heads, it just has lazy lobes so not a lot of people like to run it. LT1s respond to more duration, not so much lift
#16
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can anyone guide me to some Rockers that are cheaper...he isnt doing a highend build so he just needs some 1.6 rockers decently priced also where he can find hardened pushrods...thanks!!
#17
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Self aligning are perfectly fine for that cam, this isnt a 23x/24x cam spinning above 6500. Some Comp Pro Mags and LS7 lifters will work just fine. Also the 306 isnt too big for stock heads, it just has lazy lobes so not a lot of people like to run it. LT1s respond to more duration, not so much lift
OP, do NOT advise your buddy cheap out on rockers...trust me I know from experience LOL. Both summit and jegs have hardened pushrods; can't beat their service or shipping.
#18
You don't need hardened pushrods for self aligning rockers since self aligning rockers don't use guide plates. The rubbing of the pushrods on the guide plates is why you would want hardened pushrods.
Personally, I like the non-aligning rockers and guideplates better on my Stock Elim motor. I felt I got better lash readings since I don't use narrow feelers. Now that we can go to roller rockers, I am already set up.
Personally, I like the non-aligning rockers and guideplates better on my Stock Elim motor. I felt I got better lash readings since I don't use narrow feelers. Now that we can go to roller rockers, I am already set up.
#19
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im not advising to cheap out..he just wants rockers for a decent price not high performance rockers that are very expensive lol so im told SA rockers are ok to use and not ok to use...what his best bet for the long run...SA or NSA rockers?
#20
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It's dosent matter if they are SA or NSA as long as u have to right hardware either one is it just as good as the other y not get harden push rods they arnt that expensive and it's cheap insurance yes stock would be fine but for what they cost for harden ones go with the harden one Are u sure this is for your FRIENDS car? Or is it yours