Damn It Guys Help Me Out Here?
Damn It Guys Help Me Out Here? Ok The Motor Is Back Apart Valve Cover Of I Mean . And On The Drivers Side There Are 2 Pushrods That Are Tightend All The Way Down But Have A Ton Of Play In Them .100 One Intake And One Exhaust. They Are The Ls7 Lifters Do You Thinkn One Of These Collasped. I Am At A Lost Jason Said He Would Send Me Out A Smaller Cam 224 /228 To See If That Would Help Piston To Valve Clearance As The Set Now The Ptv Is.007 Intake And Exhaust. The Cam In There Now Is 231 / 234 . So Much For My 430 Hp With Ls6 Heads Stg 2.5. Any Ideas?
If the Pushrods are all the same length then there are 2 things it could be: 1- The lifters 2- The cam. That's it, I would pull out one of the pushrods that seems to be fitting right and measure it compared to the one that isn't. If that's not it then your going to have to start digging. Check the cam first and then you get to go after them lifters. Have fun and I hope you get it fixed.
your ptv is not going to be the same on both intake and exhaust. how are you checking it anyways? are you using the soft spring method or clay? what was your wipe pattern and geometry like, when you mocked it all up? tell me your set up, and i see what i think might be wrong.
ok I am using the tsp ls6 stg 2.5 heads with 202 157 valves. 64 cc Tourqer v 3 cam shaft stock head gaskets and 7.4 length pushrods with ls7 lifters. We used the soft spring method to check ptv .
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no milling of the heads. hmm? honestly, no offense i would say something in your set ups wrong or you did not check ptv correctly. That cam with those heads should clear fine, especially on the exhaust side, with the intake being a little tight. what do the TSP guys say? I've done alot of h/c swaps with lots of milling, and by the looks of your combo, you should be fine, unless i'm missing something somewhere in your combo. Question for you: when you use the soft spring method, make sure there is no preload(valve spring not compressed) when the valves are closed, you just need to turn the rocker bolt untill 0 lash, you know when you are the, because rocker gets tight and just starts to depress valve,(but don't depress it) just turn it so all lash is takin away. check exh. 10* BTDC, and int. 10* ATDC, during overlap cycle.
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i didnt to the check The machine shop next to pdr auto is who came over and did the check . Why would there be two loose rocker arms . And why was i able to drive fot 20 miles with it purring like a kitten and them bam all the sudden this happens?
Is it at all possible that this cam is off somehow? i mean i want this combo bad i dont want to go down in cam size at all. Also when they where turning the motor over with valve covers off is it normal for the valves to snap like that is that something i higher lift cam does?
Is it at all possible that this cam is off somehow? i mean i want this combo bad i dont want to go down in cam size at all. Also when they where turning the motor over with valve covers off is it normal for the valves to snap like that is that something i higher lift cam does?
The machine shop next to pdr auto is who came over and did the check . Why would there be two loose rocker arms . And why was i able to drive fot 20 miles with it purring like a kitten and them bam all the sudden this happens?
Is it at all possible that this cam is off somehow? i mean i want this combo bad i dont want to go down in cam size at all. Also when they where turning the motor over with valve covers off is it normal for the valves to snap like that is that something i higher lift cam does?
Is it at all possible that this cam is off somehow? i mean i want this combo bad i dont want to go down in cam size at all. Also when they where turning the motor over with valve covers off is it normal for the valves to snap like that is that something i higher lift cam does?
