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I don’t get it?!…..HELP!!!!

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True.
Personally I think he/she/they/it messed up on the ignition.
ok….well that’s something I’ll suggest when it goes back on the dyno…cheers👍🏻
 
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so mine in stock form was 234rwkw and then after the time it was only 256rwkw
No one will be able to help you, without data to reference. There are 2349827352039 things that could cause this - but probably your tune.
 
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True.
Personally I think he/she/they/it messed up on the ignition.
when he ran it on the dyno in stock form he said it still wouldnt go above 6k…..
 

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No one will be able to help you, without data to reference. There are 2349827352039 things that could cause this - but probably your tune.
Yeah I get that but any ideas that I can use are helpful 😉
 

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when he ran it on the dyno in stock form he said it still wouldnt go above 6k…..
banana in the tailpipe? You gotta watch out for those crafty wallaby's.
dyno graphs are only mildly useful. Live instrumentation is what matters. Your tuner should have immediately resorted to data-logging before he let you have the car back, in such a broken state.
 
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banana in the tailpipe? You gotta watch out for those crafty wallaby's.
dyno graphs are only mildly useful. Live instrumentation is what matters. Your tuner should have immediately resorted to data-logging before he let you have the car back, in such a broken state.
Ahhh Americans and they’re Aussie humour lol….never gets old
 
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Hence why I’ll be there during the next dyno runs so I can see what’s happening…
 

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Ok so I recently had a Injen CAI, full x-force headers to tips and tune done on my 2019/20 manual mustang gt.
to say that I very disappointed in the result is an understatement!!!

From what I’ve read a stock manual mustang gt should have about 272rwkw.

mine in stock form (albeit with the CAI installed) only ran 234rwkw?!

I then had the full x-force system installed and dyno tuned (roller not hub) and it only ran 256rwkw with peak power at 5950 before completely running out of steam at 6k!!!

what the frick is wrong?!?!

Can anyone help me out??
I think you had a problem before mods. Australia got the 460 hp GT like we did stateside so that would be 290-310 rwkw so if in stock form you got only 234 rwkw then something is wrong... did the car fall on its face the same way? Low revs = low hp uhm kw lol
 

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Hence why I’ll be there during the next dyno runs so I can see what’s happening…
So before you ever went to the dyno shop, did the engine never rev past 6k?
 
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So before you ever went to the dyno shop, did the engine never rev past 6k?
I’d done a couple out to 6,500 and it felt fine but it was starting to struggle to ‘breath’ but I put that down to the exhaust system restricting it
 

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I’d done a couple out to 6,500 and it felt fine but it was starting to struggle to ‘breath’ but I put that down to the exhaust system restricting it
Did you buy it new or used?

The factory exhaust won't restrict it at all. It should easily wind up to 7500 RPM.
 

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but I put that down to the exhaust system restricting it
my stock headers and mostly stock exhaust rev out to 8k. All day, every day.
 
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Did you buy it new or used?

The factory exhaust won't restrict it at all. It should easily wind up to 7500 RPM.
It was a dealership owned car before I bought it with 25k on the clock….technically I’m the first owner….yeah that’s what I thought but mine doesn’t?!
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