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  1. 07-15-2021, 07:31 AM #501

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    Got it on the dyno and ran out of fuel pressure the first pull It made 485whp the very first pull with no timing and he stopped until we fixed it. Have a Magnafuel rising rate regulator to put on this weekend and try to get enough pressure from the stock fuel lines on pump E to make 600-700whp. This winter I'll hopefully get a fancy hanger so I can put a second 525 pump in it and do -10 feed and -8 return the whole length of the car.

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  3. 07-16-2021, 02:56 PM #502

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    I think you're going to be pushing it on the stock lines trying to supply E85 at 700 RWHP. What fuel pump(s) is in it right now? Stock lines up to aftermarket rails?
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  4. 07-19-2021, 07:38 AM #503

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    Quote Originally Posted by Fastbird View Post
    I think you're going to be pushing it on the stock lines trying to supply E85 at 700 RWHP. What fuel pump(s) is in it right now? Stock lines up to aftermarket rails?
    I have a Hellcat 535 pump, and yes, stock lines to the regulator then -6 to the rails for the rest of the year.

    Got the new regulator in and with 62psi base pressure it is not going any lower than 59psi then back up when boost comes in doing 4th gear pulls at 14psi now so it seems to be better now. It was at 8psi when it lost pressure at high RPMs on the dyno.

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  5. 09-22-2021, 08:31 AM #504

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    After chasing this fuel pressure issue for a couple months we figured out this weekend that the pressure sensor was just going bad. ​​​​​​​Got that swapped out and pressure was fine lol.

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  7. 10-27-2021, 12:49 PM #505

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    Time for a 4L60 swap!

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  9. 03-14-2022, 02:16 PM #506

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    Alive from winter hibernation with a new intake. Had to trim the windshield a little to make it fit but totally worth it lol. Probably going to have to get a Optic Armor windshield eventually because this one cracked after sitting in the cold after we cut it.

    FB1.jpg
    FB2.jpg
    Last edited by Formula218; 03-14-2022 at 02:19 PM.

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  11. 04-20-2022, 07:35 AM #507

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    Yeeted a little to hard and lost compression on cylinder 1 last week, snagged a LM4 aluminum block locally for $600 and am going to regap the rings and toss it in.

    FB1.jpg
    FB2.jpg

    '94 Formula 6spd
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  13. 04-20-2022, 08:52 AM #508

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    Cyl 1? Impressive

    1994 Trans Am Under the knife - but it's alive!!! (5.3 LM7/CPT 60e/QP 9") BUILD THREAD
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  15. 04-20-2022, 09:32 AM #509

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    Quote Originally Posted by harner View Post
    Cyl 1? Impressive
    Pass side was all 160-168 compression and 1 was 50, didn't keep checking after that. Just did a little pull to make sure the boost controller was working and it was smoking as soon as I let out. Was a $300 LM7 that we put in 8 years ago so it served well.
    Last edited by Formula218; 04-20-2022 at 09:35 AM.

    '94 Formula 6spd
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  17. 04-25-2022, 12:50 PM #510

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    She's back! Pics of the damage from #1, looks like if the ringland didn't break the bearing wasn't going to last much longer either. Block looks fine so hopefully build that into something that will hold tons of boost down the road.

    FB1.jpg
    FB2.jpg
    FB3.jpg

    First start up of the gapped LM4
    https://youtube.com/shorts/HW1q21UqOU8?feature=share

    '94 Formula 6spd
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