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Aftermarket Rocker Arms with my cam?

This is a discussion on Aftermarket Rocker Arms with my cam? within the Internal Engine forums, part of the LSx Technical Help Section category; I got a torquer v2 cam....Can i go with the 1.8 ratio rocker arms? dont they just increase lift? Is ...

  1. #1
    JOSEY FUCKING WALES! Frankthetank's Avatar
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    Aftermarket Rocker Arms with my cam?

    I got a torquer v2 cam....Can i go with the 1.8 ratio rocker arms?
    dont they just increase lift?
    Is it gonna cause clearance problems?
    Think there will be much gains on it?

    TSP Rumbler, LT's, TSP Tqr2, PRC 921 Springs, Comp Lifters, Chromoly 7.4" Pushrods, Titanium Retainers/Seats/Seals, ARP head bolts, BMR full Rear suspension

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    Pathelogical Liar BlackLT1Z28's Avatar
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    Looking at the cam specs in your sig, with the higher ratio rockers, you'll be over .600" of lift. You may need new springs, not sure though. You are probably running applicable springs with your current lift since its so close to .600". However, you may have valve-to-piston clearance issues. If your not sure, call TSP, they'll know.

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    JOSEY FUCKING WALES! Frankthetank's Avatar
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    Im running PRC Dual springs....supposively good up to .640 lift....
    Lol I guess i didnt think about that though....lol I dont think i need much more lift haha.....I alrdy gotta start thinkin about when i gotta replace these springs due to lift anyhow

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    Pathelogical Liar BlackLT1Z28's Avatar
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    Yeah, the stock 1.7 rr's should be fine.

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    JOSEY FUCKING WALES! Frankthetank's Avatar
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    will there be any gains from it?

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    Pathelogical Liar BlackLT1Z28's Avatar
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    From the 1.8rr'?
    Sure, probably a small gain. More lift, more air.

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    Ultimate nothing
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    You want to watch the ramp rate on that cam. You shouldn't run 1.8 ratio rockers with aggressive ramps, lots of stress.

    If you want to get a bit more power, get some 1.7 ratio roller tipped rockers like Yella Terra makes. Not that expensive, and anytime you can put a roller in the valvetrain like that you reduce a good bit of stress.

    More importantly, you won't have to worry about the bearing caps coming out on the stock rockers and letting the needle bearings fall out into your engine. There are a total of 1056 needle bearings between all 16 rockers. I don't think you need to ask me how I know that.

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    JOSEY FUCKING WALES! Frankthetank's Avatar
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    damnthats allot

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    You're not suppose to run 1:8 ratio rockers on X-ER lobes.The TSP torquer V2 has X-ER lobes.

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    JOSEY FUCKING WALES! Frankthetank's Avatar
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    really whys that?

  11. #11
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    Quote Originally Posted by Frankthetank View Post
    really whys that?
    The more aggressive ramp rate causes more stress on the rocker arms, springs, etc. If you want more lift, change the cam.

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