View Full Version : Full Bolt on dyno #'s


cenTX-LS1
07-22-2007, 02:27 PM
Just got the car dyno tuned yesterday and am very pleased with the results. This was the car's first time ever on a dyno so I wish I had some before and after #'s for you guys. SAE corrected I made 356hp and 369tq. Hp is about where I thought it would be but the tq # to me is simply amazing. Peak tq came at 4300 with the hp peaking at 5400. Mods are in the sig and this was done with cats and through a hooker catback. I really think my tq numbers are a testament to the quality of the merges on the Amarican Racing headers and y pipe.

Rhino79
07-22-2007, 02:30 PM
Great numbers, what kind of dyno? What kind of temps also.

cenTX-LS1
07-22-2007, 02:41 PM
Thanks man. Im really pumped about how the car runs now. This was on a dynojet. Temp was 82, humidity was 85%, pressure was 29.51. It was a very muggy and humid day. SAE J1349 correction factor was 1.06. The car is so much more fun to drive now that the tune is done. I would reccomend it to anybody who is full bolt on.

99Hawk262
07-22-2007, 04:28 PM
Stout numbers and +1 on the tune. My tune made a world of difference. I need to dyno mine and see what she does.

LSGunZ28
07-25-2007, 02:44 AM
will I see similar numbers with my mods?

LT H pipe dumped and no cats

aluminum fw

but the drawback is moser 12 bolt 373s

pulley, lid, ptb

+ suspension

LSGunZ28
08-06-2007, 05:41 AM
On a dynapack I made 364.1 RWHP as a baseline run and 341 RWTQ

I think these numbers are a little high for just boltons.

NVR KNO
08-06-2007, 07:00 AM
im not sure about the hp, but anything can happen. i made 352/360 thru my stock catback with just lid and longtubes.... and mine is a 99 with the ls1 intake. when i put the 12 bolt and 3.73 gears in, i made 344/356.... but i had dual cutouts this time. with the cutouts closed i dropped to 330/348.

SladeX
08-06-2007, 09:49 AM
Great numbers!

I was short the underdrive pulley for my dyno and made a bit less than you. It's amazing how well these cars responds to only the basics.