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Apporximate red line of heads...

This is a discussion on Apporximate red line of heads... within the Internal Engine forums, part of the LSx Technical Help Section category; Excellent ,,lets us know how it turns out...

  1. #21
    Junior Member incbed's Avatar
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    Black
    2000 Z28 M6 Y3F

    Excellent ,,lets us know how it turns out

  2. #22
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    1978 280z- ls1-v8

    Machine shop figured out why the motor had low oil pressure. Plug in the oil passage was sideways. Transmission shop said tranny is right. We have to figure out why forward isn`t working properly. On a positive note, park, reverse and nuetral work great!

  3. #23
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    1978 280z- ls1-v8

    After reading the forums ,talking to my machinist and cc performance, I ordered the morel 5206 lifters. I was told that the street morel w/link bar were made the same way the ls7 lifters were. Cast. The 5206`s are either billet or forged. I can`t remember. And are $525 delivered at cc performance. That is the cheapest price I have found. I have to much in the motor to skimp now.
    Last edited by scubamark3995; 10-15-2010 at 01:08 PM. Reason: add a word

  4. #24
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    SOM
    1998 T.A.

    Make sure you nail the preload on those lifters. They are a great piece but are less forgiving with preload than an LS7 lifter. Set it hot and shoot for the .030-.050 range. They are taller too so you may come up with an odd PR length...

  5. #25
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    1978 280z- ls1-v8

    It is in the hands of my machinist. Of course the motor will be cold. But he will be checking the push rod length. I just hope the motor is well into the 7000 rpm range before valve float. I don`t have to worry about the rotating assy. It is all forged.

  6. #26
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    1978 280z- ls1-v8

    My machinist raised the rocker arms 40 thousands. I can`t waite to see how it runs. We will be puttting the motor back in this weekend if everything goes right.

  7. #27
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    1978 280z- ls1-v8

    Got the motor and tranny back and installed. Tranny is still acting up. My shifter will not go into the forward gears. I will disconnect it and turn the gear selector by hand. I may also disconnect the wiring harness to the tranny and see what happens. Motor now has oil pressure but doesn`t want to idle and is surging a bit. I have to slowly take my foot off the accelerator. The longer it runs the better it seems to run.

  8. #28
    King 0f n00bz shady milkman's Avatar
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    blacker than wesleysnipes
    98' trans am

    Quote Originally Posted by scubamark3995 View Post
    Got the motor and tranny back and installed. Tranny is still acting up. My shifter will not go into the forward gears. I will disconnect it and turn the gear selector by hand. I may also disconnect the wiring harness to the tranny and see what happens. Motor now has oil pressure but doesn`t want to idle and is surging a bit. I have to slowly take my foot off the accelerator. The longer it runs the better it seems to run.
    dont know about the gear selector ...id make sure it is lined up properly..as in put the shifter in neutral and the gear selector in neutral and connect everything .

    on the engine...it needs to be tuned...simple as that.

  9. #29
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    1978 280z- ls1-v8

    It has a base tune so I can get it broke in before wide open dyno pulls.

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