Generation III Internal Engine 1997-2006 LS1 | LS6
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Mystery Head?

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Old 07-06-2010, 03:28 PM
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Originally Posted by OUTLAWZ RACING
I thought i "mystery head" was when u dident know her name......
LMAO thats awsome i will work on the graph tonight
Old 07-06-2010, 03:39 PM
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Originally Posted by OUTLAWZ RACING
I thought i "mystery head" was when u dident know her name......

Haha ^^^^^ yeah you don't have to buy them supper.....You are already giving it to them.....

OP nice #'s especially if that Mustang is calibrated like most Mustangs are....
Old 07-07-2010, 11:57 AM
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Take it too the track and see if E.Ts back up those numbers. I am curious for one. I have never put too much stock in DYNO numbers other than for tuning.
Old 07-07-2010, 01:02 PM
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BWAHAHAHAHHA this thread just circled around to EPIC.
Old 07-07-2010, 03:49 PM
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there we go as promised
Old 07-07-2010, 04:10 PM
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that doesn't look right at all...
Old 07-07-2010, 04:24 PM
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Originally Posted by thunderstruck507
that doesn't look right at all...
+1. Torque starts dropping then surges back up? Hm something doesn't add up here
Old 07-07-2010, 04:25 PM
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no it dont look right.
Old 07-07-2010, 09:25 PM
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take it to the track and lets see what it does.
Old 07-07-2010, 10:08 PM
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Hmm...that torque curve looks fishy. I agree with track results. Curious to see what she traps!
Old 07-07-2010, 11:01 PM
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aahaaaaaaa........! now it all makes sense! it has the tornado mod!
Old 07-07-2010, 11:34 PM
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thats why i would pull the heads and see wtf is going on
Old 07-08-2010, 06:02 AM
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Looks like it spikes at the end actual power looks to have been leveling around 326ish then turns upward.
Old 07-08-2010, 06:33 AM
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Yeah, I'm not sure about the dyno really. My car made 376/381 on a dynojet before the Ported Throttle Body and LS6 intake. I know the dynojet reads higher, but after everything, my car only made something like 333 rwhp and 340 rwtq with a bad MAF sensor (according to the tuner). I know my car makes more than that. I ran high 12.7's @109-110 on Nittos.
Old 07-08-2010, 09:20 AM
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Dannngggggggggggg! That VTEC is kicking in hard, yo!
Old 07-08-2010, 06:14 PM
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I wonder if its some type of Pre-production Head that made it on the assembely line. Check out these heads on E-Gay There suppost to be ported LS6 heads but they have a weired casting number I have never seen before. Looks like 543 or 549 cant tell. I know most castings but have never come across the ones you mentioned. Never seen the ones on E-gay before either...

http://www.performancetrucks.net/for...d.php?t=434396

http://cgi.ebay.com/ebaymotors/GM-LS...item5ad53dc15f
Old 07-08-2010, 06:44 PM
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Originally Posted by 5.3LJimmy
Dannngggggggggggg! That VTEC is kicking in hard, yo!

u got me, i MS painted that graph

Last edited by kevin99hoss; 07-08-2010 at 06:51 PM.
Old 07-08-2010, 08:21 PM
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Originally Posted by orangeapeel
BWAHAHAHAHHA this thread just circled around to EPIC.

Yeah but this time it's for a good reason unlike some of the other EPIC threads lately.

I crack up every time I see the title of the thread.

I think mystery head is some sort of deviation from strange.
Old 07-08-2010, 11:37 PM
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Originally Posted by OUTLAWZ RACING
I thought i "mystery head" was when u dident know her name......
Glory hole
Old 07-08-2010, 11:47 PM
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Originally Posted by kevin99hoss
there we go as promised

Yeah, I'd say the dyno measurement was in error after 5341 rpm and the peak numbers are bogus.



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