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Whipple Power Issues?

Zobot

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Ok, I'm not saying that I'm disappointed in the results, but it definitely wasn't what I was expecting. 2 power pulls back to back, and I only pulled 580hp on the dyno. I think my chart looks good, just not sure why the low HP.

Any suggestions?

Upgraded TB, 58lb injectors, whipple tune, upgraded fans, Manual tranny, 3.73 gears, pulled in 5th, 224x Dynojet, 3.75 pulley.

Ran 93 octane, but the tank was filled back in October with stabilizer to keep the fuel. Anyone think that could cause some power loss?

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Ok, I'm not saying that I'm disappointed in the results, but it definitely wasn't what I was expecting. 2 power pulls back to back, and I only pulled 580hp on the dyno. I think my chart looks good, just not sure why the low HP.



Any suggestions?



Upgraded TB, 58lb injectors, whipple tune, upgraded fans, Manual tranny, 3.73 gears, pulled in 5th, 224x Dynojet, 3.75 pulley.



Ran 93 octane, but the tank was filled back in October with stabilizer to keep the fuel. Anyone think that could cause some power loss?




You are over 100hp down, and do a 4th gear pull. 6 month old fuel is no good on a 10psi supercharged engine. You need fresh 93.

Need to data log and get in contact with us, but after you get fresh fuel.


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Zobot

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You are over 100hp down, and do a 4th gear pull. 6 month old fuel is no good on a 10psi supercharged engine. You need fresh 93.


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Otherwise everything else looks good? Someone else suggested the TB wasn't opening all the way
 

Whipple SC

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Otherwise everything else looks good? Someone else suggested the TB wasn't opening all the way

No, it's down significantly, also didn't pull to limiter but that's 5-10hp. Trq is down 75 and HP over 100. Something isn't right.


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Zobot

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No, it's down significantly, also didn't pull to limiter but that's 5-10hp. Trq is down 75 and HP over 100. Something isn't right.


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OK, what do I need to do to confirm what else is wrong?
 

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OK, what do I need to do to confirm what else is wrong?

It's best that you contact us and so we can help you figure it out.

First get fresh fuel in there.

Then, get a tool to data log, your dyno shop would most likely have one. If it's Sct we can send a template to give us a log so we can verify proper operation.

Mechanically you can only verify that the spark plugs are gapped correctly and the belt is setup correctly.


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Zobot

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It's best that you contact us and so we can help you figure it out.

First get fresh fuel in there.

Then, get a tool to data log, your dyno shop would most likely have one. If it's Sct we can send a template to give us a log so we can verify proper operation.

Mechanically you can only verify that the spark plugs are gapped correctly and the belt is setup correctly.


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beefcake

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fuel is the first place to start as was said
 

Jmeo

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Your in good hands and I'm sure it'll get figured out right quick.

As Dustin and Terry mentioned the fuel is a big culprit.

Looking forward to your results.
 

dunnyrc51

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+1 Listen to Dustin. Can not stress that enough.
 

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jasonstang

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4 months old gas even with premium is gonna drop down to regular.
Would be nice to tell if they measured AF. It would be showing if it's going into protection mode by running rich.
 

Barrel

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I'm with everyone else. Fuel. I've picked up plenty of hp on the dyno just by draining the tank and putting in fresh 93.
 

Superman15

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OK, what do I need to do to confirm what else is wrong?
Hey brother, I see you wen't to Wolfpack speed. That is where my car is at right now getting my Whipple installed. I did a "pre-install" dyno at his shop, I can tell you for sure that his dyno reads pretty low. It is a dyno jet, but his seems to read closer to a mustang dyno. He also does not like to run the gear out very far. When he did my stock pull he only ran it to 6,400RPM. I saw several of his dyno's and they were ALL low in comparison to "typical". Either way, glad to see another Pittsburgh guy on here, and from what I hear Mike at Wolfpack is the man of Mustangs in the Burgh!
 

Superman15

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I should have my post-install dyno done Saturday from Wolfpack, for comparison. I have the same set up as you, other than I have the 72# injectors. But same 373's and shit.
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