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Timing on tuned engines.

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Old Aug 12, 2009 | 03:20 AM
  #11  
spectacle's Avatar
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Originally Posted by hondabim,Aug 12 2009, 12:10 AM
8.5:1 cr.........................................you got to be kidding me!!

and only pushing 19 psi peek boost.

can i ask you why, you built a block at 8.5:1 cr
Why not? That block is probably good for 800+whp at that comp ratio. Just needs a much bigger turbo.
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Old Aug 12, 2009 | 04:36 AM
  #12  
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He's pointing out the fact that he doesn't have a bigger turbo, nor is he maxing the one he has. Why build to such a low compression.
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Old Aug 12, 2009 | 07:10 AM
  #13  
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Originally Posted by BlitZs2000,Aug 12 2009, 08:36 AM
He's pointing out the fact that he doesn't have a bigger turbo, nor is he maxing the one he has. Why build to such a low compression.
becuase one day he will MAN UP and throw a huge turbo with NOS at that block and send his tranny/rearend into orbit.

no kidding though, def should have more boost and more turbo on that kinda block.
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Old Aug 12, 2009 | 05:19 PM
  #14  
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Set up

Precision turbo SC6162

Full race obx copy manifold= peice of shit--> You will learn to weld if you buy this!!

Emanage ultimate--> all my timing values under 3 psi are stock timing values
due to emanage being a piggypack ecu!

tial 44 wastegate

greddy knock off bov

Precision 680cc injectors

cometic 2mm headgasket = 9.5 compression ratio

Invidia 2.5 in exhaust with testy pipe.

14' @ 1psi= stock timing @ 3200 rpm
24' @ 5psi @ 4400 rpm
21' @ 10psi @ 5000 rpm
12' @ 15psi @ 5500 rpm
11' @ 17psi @ 6000 rpm

Car dynoed at 364 whp at around 13 psi on a mustang dyno.

Disclamer-->My timing values will blow your car up in little tiny peices no larger than a grain of rice, and should never be used by anyone but me

Also I live at 5000 feet elevation, boost values are not corrected for altitude

And lastly my timing tables are rpm dependent as they should be.
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Old Aug 12, 2009 | 06:40 PM
  #15  
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Originally Posted by camuman,Aug 12 2009, 08:10 AM
becuase one day he will MAN UP and throw a huge turbo with NOS at that block and send his tranny/rearend into orbit.

no kidding though, def should have more boost and more turbo on that kinda block.
lol Camuman yeah no kidding, thats the name of the game usually but the weak ass rear end and tranny will probably explode without NOS or a bigger turbo

Yup still waiting for the retune to 20+ with race gas, my tuner suggests that 19psi is whats safe for the crap octane so im just going with that for now , dynod 430hp which is good enough for me on the street
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Old Aug 13, 2009 | 05:29 PM
  #16  
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What kind of gas are you running? 91 is good for at least 20 psi on 9:1 compression, so with 8.5:1 I imagine you could go even higher. Also did you sleeve the block?
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