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07-10-2006, 04:03 PM #1
- Join Date
- Jun 2006
- Location
- Moultrie, Ga.
- Age
- 45
- Posts
- 6
Pewter- 2001 Pontiac Transam
Just got back from the dyno today. How do these numbers look?
I just got my 2001 Pontiac Trans Am dynoed on a Dynojet dyno. It is a bone stock automatic 3.23 geared car. It has the stock air filter and exhaust on it. I had two dyno runs. My best was 296.1 rwhp 318.4 torque SAE numbers. My STD factor numbers were 302.6 rwhp 325.3 torque. I would like to know if these are good numbers for my car. I ran my car a few weeks ago and it ran a 13.5 103 mph 2.08 60 ft on street tires in 83 degree weather with a little wheel hop. Do you think it is possible to run a little quicker at the track with some drag radials and some supspension work judging by my dyno numbers. Also, will a SLP air lid, and a hooker catback exhaust put me over 300 rwhp SAE numbers. Thanks everybody. [
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07-10-2006, 04:27 PM #2
I think those numbers are on par. Of course you'll run quicker with drag radials. I would also say 100% yes to the lid and catback puttin you over 300rwhp easy. Were only talkin 4 hp here. You could do free mods to get there also. Your auto would even do better at the track with a torque converter.
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07-10-2006, 04:59 PM #3
- Join Date
- Jul 2005
- Location
- Earth
- Age
- 47
- Posts
- 3,365
414 RWHP 395 RWTQ- 00 Black Ram Air Trans Am
Healthy normal numbers for a stock LS1....now start modding....Hooker Cb is a nice 1st mod, get yourself a lid and some SFC also
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07-14-2006, 06:42 PM #4
better than my formula did. 276 rwhp 284 rwtq ran 13.60 @ 101.66 all stock.
Cold Air Intake, Muffler Delete, Vinci High Performance Dual Valve Springs, Hardened Pushrods, Yella Terra 1.85 Rockers, Some Hydropdipped Stuff, Strut Tower Brace, Some SS Badges, boost/vacuum gauge, fuel pressure gauge, some checkered stripes, drilled/slotted rotors, ZL1addons Stealth wickerbill, Ruxifey LED side markers
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07-26-2006, 12:06 PM #5
Not bad numbers, like stated above, 300 is a low goal, so it'll be easy to hit. Do the FRA and shave the lid-ridges, pull the baffles out and put a smooth bellow in and you'll be over 300. Throw on a lid and a cat-back and you'll be around 315, LTs, ory/x and you'll be well over 330. I'd also suggest a stall, but since I'm an M6 guy, I can't really give advice on that. Oh, get some SFCs too, They'll really stiffen things up for you.
She's baaaaaccccck...
'02 Z/28 M6 Hardtop
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07-30-2006, 10:06 PM #6
- Join Date
- Sep 2005
- Location
- Essexville
- Posts
- 478
Jet Stream Blue- 2009 Lingenfelter ZR1
those are solid numbers for a stock LS1
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08-04-2006, 06:07 PM #7
- Join Date
- Aug 2005
- Location
- Los Angeles
- Age
- 51
- Posts
- 182
Black- 2001 Trans Am WS6
Those look like good numbers to me. The autos tend to dyno a little less then the manual tranny cars, but run better at the track on the average.
2001 T/A WS6 M6
LS6 Cam/Springs, Lid, SLP Pulley, Magnaflow Catback, TBCB, Richmond 4.10 gearing, Panhard Rod, Strut Tower Brace, Low Control Arms, Lou Thesz Short Stick
Dyno 351rwhp/341rwtq, and tuned by RacePrep via HP Tuners.
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08-04-2006, 06:15 PM #8
nice for stock, whats your milage ?
04 C5 A4 Torch Red - sold
2009 CTS4 Ice Black - sold
2013 1500 Silverado Z71 - sold
02 Z/28 M6 Onyx Black All Options - Sold
2014 Caddy CTS4 - DD
2016 Silverado 2500HD
2020 Caddy XT6
2020 2SS Vert
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08-04-2006, 11:24 PM #9
You can dowload some free software and run all kinds of different calculations so you will know about what to expect: www.virtualengine2000.com/draglist.htm
Michael
In GA waving from '02 C5 LS1, Z51, D1SC, 60lb injectors,RPM level 5-4L60E, 3:42, Yank 3600, QA1-12 ways, MTI long headers, high flow cats, Borlas, Wilwood, 603rwhp, 542rwtq.(DynoJet 248-C) 10.89@127.57 on street tires, Race Weight 3,640 lbs
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08-19-2006, 09:55 AM #10
You're absolutely right. If you know the RWHP (like off a dyno) you can estimate the engine (flywheel) HP for comparative/baseline/improvement or other purposes. The usually accepted real wheel hp loss factors are 12% manual and 18% automatics or RWHP/.88 = Engine (flywheel) HP manual, and RWHP/.82 = Engine HP (flywheel) automatic. Many just use 15% for both which is not fair to the manuals and is generous to the autos, because autos experience greater drive train loss than manuals.
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