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5.3 terrible performance

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Old 03-27-2024, 11:39 AM
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I like stealth.... and not fender exit exhausts... that being said we made 1001rwhp thru an older Precision GTS76 turbo on a 6.2 with 3" downpipe going into a 3.5" pipe from the firewall back with a T56. A 3" downpipe can go a long way to make HP and keep it more subtle if that is what you want. We run an e-cutout when racing to bypass the single 3" muffler at the back of the car and keep it all in the 3.5" piping. Thru the 3" muffler it is crazy quiet. That was also with a baby cam with no real noticeable aggressive idle from LG Motorsports (Executive stealth cam).
Old 03-30-2024, 11:28 PM
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Default Terminator X Maxx install

Hi all just installed my Terminator X Max. I cannot get it to go into closed loop no matter what I do I've watched every video on YouTube I've set all the enrichments as instructed by you to all the wiring is correct there is no interference. Yes the closed loop/learn is enabled. I'm wondering if there's anything anyone can suggest so I can get this truck running and get on the road I need it for work. Thanks in advance this is been a very helpful forum
truck will idle for about 1 minute running like crap and it fills the entire neighborhood with a smile of unburnt fuel. Doesn't seem to matter where I set the AFR

Last edited by elg180; 03-30-2024 at 11:29 PM. Reason: Update
Old 03-31-2024, 02:55 PM
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Originally Posted by elg180
Hi all just installed my Terminator X Max. I cannot get it to go into closed loop no matter what I do I've watched every video on YouTube I've set all the enrichments as instructed by you to all the wiring is correct there is no interference. Yes the closed loop/learn is enabled. I'm wondering if there's anything anyone can suggest so I can get this truck running and get on the road I need it for work. Thanks in advance this is been a very helpful forum
truck will idle for about 1 minute running like crap and it fills the entire neighborhood with a smile of unburnt fuel. Doesn't seem to matter where I set the AFR
A member here….Project GatTagO…is considered the best Holley tuner in the nation. Hit him up via PM. He’s a great guy. His name is Andrew.
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Old 03-31-2024, 05:31 PM
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Originally Posted by Che70velle
A member here….Project GatTagO…is considered the best Holley tuner in the nation. Hit him up via PM. He’s a great guy. His name is Andrew.
BOTH of you are "pros from Dover" (MASH movie reference...). It's good to have you guys here, as you truly know your stuff!
Old 03-31-2024, 07:04 PM
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Originally Posted by G Atsma
BOTH of you are "pros from Dover" (MASH movie reference...). It's good to have you guys here, as you truly know your stuff!
LOL. I love me some MASH!
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Old 03-31-2024, 07:36 PM
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Originally Posted by Che70velle
LOL. I love me some MASH!
A landmark movie to my thinking.....
Old 04-01-2024, 01:20 PM
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You were right Andrew is the man! Thanks for the advice
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Old 04-01-2024, 01:20 PM
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Originally Posted by Che70velle
A member here….Project GatTagO…is considered the best Holley tuner in the nation. Hit him up via PM. He’s a great guy. His name is Andrew.
thanks!
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