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[Z06] Late Model Racecraft LSX 440ci makes over 600rwhp!!

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Old 02-18-2009, 08:57 PM
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DaWorm111
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Default Late Model Racecraft LSX 440ci makes over 600rwhp!!

Just finished up another LSX 440ci motor with hydraulic roller cam shaft. Car made 612rwhp and 552rwtq on pump gas. The new 360 wheels should be in any day to complete this incredible build. Will post up pics of the new shoes once they arrive! Enjoy....

http://www.youtube.com/watch?v=PnnmsPc4cLw
Old 02-18-2009, 09:40 PM
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RC45
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Nice.

Is that an iron or alloy LSX block?
Old 02-18-2009, 09:49 PM
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gtovan
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Big numbers, Steven. Mine is still running great (over 18,000 miles) after Josh worked on it.

Van

Last edited by gtovan; 02-18-2009 at 09:53 PM.
Old 02-18-2009, 09:53 PM
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smallblk400
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Congrats man that's real nice!!!
Old 02-18-2009, 11:25 PM
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HNK
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Just the info i have been waiting for. The AFR looked like mid 13s, isnt that a bit too lean?

Originally Posted by DaWorm111
Just finished up another LSX 440ci motor with hydraulic roller cam shaft. Car made 612rwhp and 552rwtq on pump gas. The new 360 wheels should be in any day to complete this incredible build. Will post up pics of the new shoes once they arrive! Enjoy....

http://www.youtube.com/watch?v=PnnmsPc4cLw
Old 02-18-2009, 11:37 PM
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Originally Posted by HNK
Just the info i have been waiting for. The AFR looked like mid 13s, isnt that a bit too lean?
The AFR on our dyno jet reads a half a point lean. This cars AFR was in the mid to high 12's through the pull. Perfectly safe!
Old 02-18-2009, 11:56 PM
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Congrats!!

Should be very interesting
Old 02-19-2009, 11:32 AM
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DaWorm111
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Originally Posted by RC45
Nice.

Is that an iron or alloy LSX block?
This car has the Iron LSX block with TF 245 cylinder heads with the 6 bolt per cylinder. The direct port nitrous kit will go on as soon as the motor is broken in. 1000rwhp he we come!
Old 02-19-2009, 11:42 AM
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emerica4601
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that's going to be one hell of a ride!
Old 02-19-2009, 11:44 AM
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RoatanMan
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Nice work...
Old 02-19-2009, 11:34 PM
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McMung
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Originally Posted by DaWorm111
This car has the Iron LSX block with TF 245 cylinder heads with the 6 bolt per cylinder. The direct port nitrous kit will go on as soon as the motor is broken in. 1000rwhp he we come!
Out of interest, what are the corner weights + total weight for the car now?

And from this: what is the f:r weight dist now?
Old 02-19-2009, 11:36 PM
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0corvette pilot
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awesome video, can't wait to see the pics of the wheels (and calipers!)
Old 02-19-2009, 11:48 PM
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383vett
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Nice run, nice product. How much more weight over the ls7 is the 440?
Old 02-20-2009, 12:11 AM
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POKERPROC6
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Worm was nice enough to let me use his wheels to let me take my car for a 20 minute joy ride. Man this thing is a freak...
I would have never guessed i wouldnt be able to take the car, due to not having any wheels!!!!!!!

This is torture having my ride finished,and cant drive it,because of no wheels..lol!!!!
Now only if 360 would get off there tails and ship me my wheels!!!!
never knew its took a whole week to package them up and ship them...

On a good note as usaul great work from team LMR!!!
THANKS TO STEVEN,PAUL,AND JOE for getting this beast put together!
Old 02-21-2009, 06:50 PM
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DaWorm111
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Originally Posted by gtovan
Big numbers, Steven. Mine is still running great (over 18,000 miles) after Josh worked on it.

Van
Glad you are still enjoing yours Van. You still have the GTO and the Z0?
Old 02-21-2009, 06:53 PM
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Originally Posted by 383vett
Nice run, nice product. How much more weight over the ls7 is the 440?
For vettes we usually build aluminum LS7 440ci motors but for this particular car the customer is planning on having us install a direct port nitrous kit to hit the 1000hp marker. That is why I went with the LSX block so we can utilize the 6 bolt per cylinder feature. This will help tremendously when we spray the 350 shot! The weight difference is right at 110lbs more going from the LS7 to LSX iron block.
Old 03-30-2009, 04:22 PM
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Yaroslav
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I have 454ci LSX engine and my launch vs LS7 is AWFULL!

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