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Do these numbers look right?

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Old May 9, 2009 | 10:14 PM
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Vette N It's Avatar
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Default Do these numbers look right?

I have a 2000 MN6 vert and back on April 4, 2009 I went to have it tuned on a Dynojet 424x. At the time I had just a Blackwing and Borla Stinger attached to the stock H pipe. Before the tune I managed a run with 332HP and 342 Torque, after the tune I had 340HP and 348 Torque. 65 degrees, 28% humidity, SAE 0.99.

Yesterday I put some 1 3/4 LG Street Series LT's on with high flow cats. Today I went down to the dyno.The new numbers are 349HP and 358 Torque. 81 degrees, 30% humidity, SAE 1.02. AF ranged from 13.0 at 2k rpm's to 12.8 at 6400 rpm's.

To my knowledge the car has no other bolts on's except the Blackwing, LG's, and the Borla. Now I'm sure there will be a few calling , but do these numbers seem possible? I am sitting here looking at the sheets rights now.

Mike
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Old May 10, 2009 | 09:37 PM
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I ran into the same thing with my 2001 MN6. I have full bolt ons and a MS3 cam and mine put down 412.6 and 385.8. I didnt think it was right but I put it on another Dyno and got 411.9 and 387.6.
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Old May 11, 2009 | 03:33 PM
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That looks normal for a M6. I had a 1998 Trans Am and thru a stalled A4, I put down 325rwhp using Hooker Longtubes and Airlid. That car only dynoed 282 rwhp is stock form. A friend of mine had a 1998 Camaro SS M6 and dynoed 312 rwhp bone stock.
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Old May 11, 2009 | 05:50 PM
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Seems close to me. I tuned a 2000 six speed to 321rwhp and it was BONE stock. Who was doing the tuning?
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Old May 11, 2009 | 09:46 PM
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Originally Posted by 95BlueBomber
Seems close to me. I tuned a 2000 six speed to 321rwhp and it was BONE stock. Who was doing the tuning?
IPS Motorsports here in Columbus, OH. I work with Eric and he has been great to work with so far. I don't want to get him in trouble, but they had 17 cars in to dyno on Saturday and he still CALLED ME to say come on down I'll do one more. By the time mine was done he was the only IPS employee left in the shop. He didn't have a key to the bosses office to process my payment so he said to just go ahead and leave and he would call me Monday (today) and take the CC info over the phone. I was shocked, I mean who does that?

I was just looking for opinions because I see so many 290 - 300 rwhp bone stock cars out there, and 40 - 50HP more seems doable with LT's, Blackwing and exhaust, but on the high side.
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Old May 12, 2009 | 10:03 PM
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your numbers are right on par

The exhaust manifolds dont do a bad job on these cars. Now after you add a cam to those headers, you'll really start having fun with the car.
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Old May 14, 2009 | 10:18 PM
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Seems right to me as well Lt's are usually good for 20 RWHP with tuning and you got 17-----You didn't say if you had it tuned again after the LT's--which is a must to get the best performance--
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