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LS3 w/ TFS heads finally on the dyno..

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Old 07-25-2013, 08:43 AM
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Default LS3 w/ TFS heads finally on the dyno..

Finally had an opportunity to get some numbers on the new motor last night. Big thanks to Jeremy Formato for the great work as always, Martin @ Tick for the helpful advice and to Ruben @ Extreme Performance here in Naples for making the dyno accessible on a late Wednesday night. Here's a quick run down on the car:

'00 WS6 M6
GMPP LS3 crate motor
TFS 255cc 821's
Tick Polluter v3 (235/246 .62x/.61x 112+2)
FAST 102/102
ARH 1-7/8" LT's
TSP true duals
Strange S60 w/ 4.10's





Sorry about the quality on the vids, no WiFi here to upload HQ.



Can't say I'm disappointed. I was honestly thinking somewhere in the upper 400 range with the Dana out back, but I'll take 500/450 as a pretty good indicator, especially since the motor only has about 480 miles right now.

Next up, 102mm plate and time to spray!

Last edited by VTC_WS6; 07-25-2013 at 10:52 AM.
Old 07-25-2013, 09:54 AM
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Car sounds good, what mufflers you running?
Old 07-25-2013, 10:06 AM
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That's very impressive. I bet it's a blast to drive.
Old 07-25-2013, 10:32 AM
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Default that is awsum

When dose it go to the track. He He. Desoto ?
Old 07-25-2013, 10:36 AM
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Originally Posted by vx355
Car sounds good, what mufflers you running?
Thanks, Moroso Spiralflows.

Originally Posted by Rise of the Phoenix
That's very impressive. I bet it's a blast to drive.
Haven't really laid into it much but the little I did.. let's just say I had quite a ****-eating grin on my face lol

Originally Posted by handyandy496
When dose it go to the track. He He. Desoto ?
Pretty soon, gonna hit Imokalee for some easy passes, shake it down a little, then hit Bradenton for some 1/4 numbers on the bigs n' littles.
Old 07-25-2013, 10:43 AM
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Thank you for posting the results! I also have a ls3 bird too and was wondering what the Trick Flow heads would do for my setup. Yeah, there's more in it with the break in , power sucking rear,85mm maf, etc. I think you would have cleared 520+rwhp with break in time,10 bolt,100mm maf and maybe upgraded lid. Shyt, go have fun under the sun, and take it to the strip for us!
Old 07-25-2013, 11:32 AM
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Awesome. That 102 looks mean.
Old 07-25-2013, 12:02 PM
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Man that Strange rear end must be a real power killer.

Similar cam only LS3s with stock heads and stock intake make in the upper 400s in 5th gens.

What does she run at the track? That would be a better indicator of the power the engine is really making.
Old 07-25-2013, 12:15 PM
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Originally Posted by redtan
Man that Strange rear end must be a real power killer.

Similar cam only LS3s with stock heads and stock intake make in the upper 400s in 5th gens.

What does she run at the track? That would be a better indicator of the power the engine is really making.

Oh it does make quite an impact on dyno results. Dropped me from 440 to 405 when I installed the rear on the LS1 setup, that's right on the order of 8-9%. Figure that with a stock rear today and I'd figure it'd put down something like 535-545ish. Either way it made what I expected so, we'll have to see that it does out at the track soon
Old 07-25-2013, 02:00 PM
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Curious what a SD tune would do now tossing the small maf
Old 07-25-2013, 02:23 PM
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Originally Posted by JayplaySS2
Curious what a SD tune would do now tossing the small maf
Glad you mentioned that, it is actually an SD tune. Came up with the idea to do it on the spot so the MAF remained in place but that's coming off tonight.
Old 07-25-2013, 03:14 PM
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Are you still on an 85mm mafs?

Y u no go SD? Lol
Old 07-25-2013, 04:09 PM
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Very good numbers BTW!! Very good!
Old 07-25-2013, 04:15 PM
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Originally Posted by litle88
Are you still on an 85mm mafs?

Y u no go SD? Lol
It is SD.. lol
Old 07-25-2013, 05:03 PM
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what did you do to get the crank wheel to work with your f body computer? Did you buy the motor as a short or long block?
Old 07-25-2013, 08:38 PM
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To be honest, I'm not impressed. SAE numbers with smoothing set to 5 instead of 0 and those numbers will be 15 lower.
Old 07-25-2013, 09:50 PM
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Originally Posted by S1LV3R
what did you do to get the crank wheel to work with your f body computer? Did you buy the motor as a short or long block?
Lingenfelter box, bought it as a longblock.
Old 07-25-2013, 09:56 PM
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Originally Posted by WKMCD
To be honest, I'm not impressed. SAE numbers with smoothing set to 5 instead of 0 and those numbers will be 15 lower.
For a 10.8:1 376 through a Dana 60, what were you expecting? Personally I wasn't expecting more than 480-ish myself, so it was a pleasant surprise but I'll be more anxious to know what it does at the track myself.
Old 07-25-2013, 10:12 PM
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Originally Posted by VTC_WS6
For a 10.8:1 376 through a Dana 60, what were you expecting? Personally I wasn't expecting more than 480-ish myself, so it was a pleasant surprise but I'll be more anxious to know what it does at the track myself.
OP, I agree. With it being stock cubed crate motor, and not a big bump in compression, I think those numbers are pretty good. From the dyno, I'd bet it's a pretty nice driver, from looking at the nice torque curve!
Old 07-26-2013, 12:21 PM
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That's solid man. Once it's fully broken in it will make more.


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