FPred on the black cherry. It's running the exact same times 15psi as it is for 25

[kittay]

I have the FPred on the black cherry. It's running the exact same times for 15psi as it is for 25 psi.
I'm thinking possibly a boost leak. But looking for other ideas.

Ran 13.6 all night long didn't matter the psi. Even bumped it up to almost 30 and ran the same.

For the last pass, the weld around the flange to the WG cracked, so there's an exhaust leak, but even with that, it still made a 13.7 pass. Going to get that re-welded of course. I'm thinking that has a huge factor, but before that it was doing the same thing with no exhaust leaks.

I'm getting absolutely no knock. And it's running about 10.5 AFR.

Car feels good, til I get on the track, then it's just disappointing. I was getting 1.813 60's so it just seems like my numbers are way down, esp the mph. The best mph I could pull out of it was 109.8

Just looking to get ideas. I'm heading out to fix the WG and check out boost leaks. So if you have an idea, please let me know

 

[webconnect]

Were the mph the same too?

 

[kittay]

They ranged from 103-109. Two of the passes last night were 103, then one was 109. Last week when I had taken it out, it was like 106-109mph range.

 

[kittay]

Here's the WG:

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[webconnect]

Like your already doing, just fix everything then try again i guess.

 

[->PrOjEcTGS<-]

I would just re-weld it and try again. That is definitely a problem. I would also suggest doing a boost leak test and see what that nets you. 13.6 on an FP RED is not good. Did you do any timing checks while you were out there? I ran a 14.6 @ 90MPH on my old stock 15PSI 16g car, brought it to the pits and adjusted the base timing. But, I forgot to disconnect the timing set ground wire which locked me at 5* timing on my next pass netting me a 16.4 @74mph!! WHOOHOO!! Of course as soon as I got to the end of the track I realized what I had done. Went back on the track with proper timing control and ran the 13.9 @95MPH.

 

[kittay]

I would just re-weld it and try again. That is definitely a problem. I would also suggest doing a boost leak test and see what that nets you. 13.6 on an FP RED is not good. Did you do any timing checks while you were out there? I ran a 14.6 @ 90MPH on my old stock 15PSI 16g car, brought it to the pits and adjusted the base timing. But, I forgot to disconnect the timing set ground wire which locked me at 5* timing on my next pass netting me a 16.4 @74mph!! WHOOHOO!! Of course as soon as I got to the end of the track I realized what I had done. Went back on the track with proper timing control and ran the 13.9 @95MPH.

What was even more weird is how it ran the same at 15 and 25.

But I got the exhaust leak fixed, and leaned it out quite alot more. Runs alot stronger!!

.. I'm even spinning the 255 wides..

Tonight going to do a boost leak check on it. Make sure nothing else is wrong.

Then maybe tear into the left front since it's dragging pretty bad! It's not the brakes, but I'm thinking either bearing or seals??