98 LS1 first time Dyno Tuned
05-12-2008, 06:15 PM
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98 LS1 first time Dyno Tuned Hi everyone. I just got my car Tuned by Chuck at HPE, Great job by the way! Anyway How does the graph look for my car that has 89K, Mac headers (ORY), Magnaflow catback, Lid, P/P TB, and an underdrive ASP pulley. Still have the LS1 intake and stock internals. Thanks for the comments.
Brandon
Brandon
05-12-2008, 06:29 PM
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Thats a good question about why he changed the rev limiter thou Im not going to shift it that high, The AFR was around 12.5 if my memory serves me correctly. Is around 10hp good for a tune also is 6400 way to high for my current setup?
Thanks for your help
Thanks for your help
05-12-2008, 06:57 PM
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On my STOCK (w/lid and filter) 01 SS, I went from 325rwhp to 340rwhp from a dyno tune only. Im currently putting down 363rwtq also, up from 335rwtq.
Im going back in for another dyno tune tomorrow now that I have added a ported TB, 30# injectors, muffler and a n2o kit.
The numbers seem good though from my experience with a lot of other cars. It all boils down to how much time your tuner is willing to put in. If all he does is 4-5 pulls and then your done, you didnt get what you paid for (unless you paid $100) My car literally took like 4 hours to get spot on, but it was tuned right out to the edge for max power.
Im going back in for another dyno tune tomorrow now that I have added a ported TB, 30# injectors, muffler and a n2o kit.
The numbers seem good though from my experience with a lot of other cars. It all boils down to how much time your tuner is willing to put in. If all he does is 4-5 pulls and then your done, you didnt get what you paid for (unless you paid $100) My car literally took like 4 hours to get spot on, but it was tuned right out to the edge for max power.
05-12-2008, 07:12 PM
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If you have the stock cam, don't shift past 6100. You'll be asking for trouble unless you upgrade pushrods, etc. 12.5 AFR is a little rich, 12.8-13.0 is where you want to be.
05-13-2008, 07:10 AM
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On my STOCK (w/lid and filter) 01 SS, I went from 325rwhp to 340rwhp from a dyno tune only. Im currently putting down 363rwtq also, up from 335rwtq.
Im going back in for another dyno tune tomorrow now that I have added a ported TB, 30# injectors, muffler and a n2o kit.
The numbers seem good though from my experience with a lot of other cars. It all boils down to how much time your tuner is willing to put in. If all he does is 4-5 pulls and then your done, you didnt get what you paid for (unless you paid $100) My car literally took like 4 hours to get spot on, but it was tuned right out to the edge for max power.
Im going back in for another dyno tune tomorrow now that I have added a ported TB, 30# injectors, muffler and a n2o kit.
The numbers seem good though from my experience with a lot of other cars. It all boils down to how much time your tuner is willing to put in. If all he does is 4-5 pulls and then your done, you didnt get what you paid for (unless you paid $100) My car literally took like 4 hours to get spot on, but it was tuned right out to the edge for max power.
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05-14-2008, 11:04 AM
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Mike and Tad over at Haddad Motorsports (www.haddadmotorsports.com) did the tuning. Very throrough with their methods. I unfortunatly can't disclose price though. Give them a call and they should be able to give you a quote though.
I re-tuned yesterday and made 345rwhp / 360 rwtq on a much safer and less aggressive tune. I was pinging in certain situations because I made the last tune way to aggressive.
On this tune, we pulled timing way back and added a bit of fuel throughout the entire rpm range. Purrs like a kitten now, its a lot smoother and it is much safer.
Also did a nitrous only tune that I can shoot when I go to the track. On an almost empty bottle, (3 lbs of n2o) and 36 jets on the 5177 NOS dry kit, the car made 425rwhp and 528rwtq.
The car feels better than ever, and once I get the QTP longtubes on, I will be going back for another round!
/hijack
So back to the OP, I made this power through manifolds and cats with minimal bolt ons. I really think that your tuner left a ton of power on the table with your setup. You should be at least 10-20hp more in my opinion. But then again, thats just me and my experience talking. YMMV as always.
I re-tuned yesterday and made 345rwhp / 360 rwtq on a much safer and less aggressive tune. I was pinging in certain situations because I made the last tune way to aggressive.
On this tune, we pulled timing way back and added a bit of fuel throughout the entire rpm range. Purrs like a kitten now, its a lot smoother and it is much safer.
Also did a nitrous only tune that I can shoot when I go to the track. On an almost empty bottle, (3 lbs of n2o) and 36 jets on the 5177 NOS dry kit, the car made 425rwhp and 528rwtq.
The car feels better than ever, and once I get the QTP longtubes on, I will be going back for another round!
/hijack
So back to the OP, I made this power through manifolds and cats with minimal bolt ons. I really think that your tuner left a ton of power on the table with your setup. You should be at least 10-20hp more in my opinion. But then again, thats just me and my experience talking. YMMV as always.
Last edited by SVTHuh; 05-14-2008 at 11:23 AM.
