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Old Jun 19, 2007 | 06:01 PM
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Loaded question...

I was just wondering if anyone might have a pretty close guestimate of what my hp/tq numbers are with the mods I have?? I usually keep the Predator on 60hp. I guess this might be one of those "stupid questions" ....
 
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Old Jun 19, 2007 | 08:01 PM
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Good question. Mine is pretty similar to yours so I would like to know as well. You don't happen to know Brian or Jeff Burke down there in RSM do you?
 
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Old Jun 19, 2007 | 09:04 PM
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Danny... have you tried to use Ernests HP Predictor/Caclulator model yet? It is pretty involved, but may be a good tool for you to play with.
 
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Old Jun 19, 2007 | 09:08 PM
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between 250~280 i would take a guess of.
 
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Old Jun 19, 2007 | 11:59 PM
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Fat- no I don't know either Brian or Jeff- are they good guys to know?

Pete- is that the excel looking thing on this site that you input all the variables?

and
John- thanks for the guestimate- are you talking rear wheel hp?

Thanks!
 
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Old Jun 20, 2007 | 12:11 AM
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Yes.
10 char limit.
 
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Old Jun 20, 2007 | 12:32 AM
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Originally Posted by mongo75
I was just wondering if anyone might have a pretty close guestimate of what my hp/tq numbers are with the mods I have?? I usually keep the Predator on 60hp. I guess this might be one of those "stupid questions" ....
The PSDEM is already adjusted for your early 99, the current download doesn't have the rear wheel torque tab but there's a newer version with that and other improvements (like a throttle control) that I'll send to Alan Miller to post before I hit the road next Mon. The PSDEM predicts your early 99 with a 60 hp chip, 4" exhaust (I'm assuming you got rid of the CAT) and your AFE should do RWHP=260 at 2800 RPM, BP=20 psi and the corresponding RWT=648 ft lb at 2000 RPM. If you push to 22 psi BP you get 268 HP and 669 ft lb torque.

About 3 years ago at Browns Valley RV in Yuba City, CA I did 2 dyno runs (had a 70 HP Superchip, K&N Aircharger, and Banks Big Head then) and got 265 RWHP, then he installed a boost relief valve and I got 276 HP. When I got to LA, I had work done at Diesel-Tune, got rid of the boost relief valve, went with a stock WG actuator, and changed to an AIS filter, and started driving more conservatively as I was now on my second turbo!
 
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Old Jun 20, 2007 | 09:38 AM
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Originally Posted by mongo75
...
Pete- is that the excel looking thing on this site that you input all the variables?
That's the one, but you've probably already figured that out since Ernest has already responded.
 
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Old Jun 20, 2007 | 10:14 AM
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Thanks Ernest- I saved your PSDEM to my desk top, 'casue at the time it looked like it would take some time to figure it out, especially with my 2 year old running amok LOL. Yeah, I run a straight pipe and push between 20/23 PSI at WOT.
 
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Old Jun 20, 2007 | 05:08 PM
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Originally Posted by mongo75
Thanks Ernest- I saved your PSDEM to my desk top, 'casue at the time it looked like it would take some time to figure it out, especially with my 2 year old running amok LOL. Yeah, I run a straight pipe and push between 20/23 PSI at WOT.
If you want to test drive the latest and greatest version, send an email here and I'll send it. kempegenek@gmail.com I haven't quite finished up dating all the footnotes yet, but the Tabs are easier to use. Since I added the variable throttle settings, you don't have to manually input AFR #'s to see results from light on the throttle to WOT. I also color coded an example so you can look at MPG vs MPH.
 
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Old Jun 20, 2007 | 09:53 PM
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sentcha an email!
 
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