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Old 12-15-2015   #11
rkreigh
 
Join Date: Jan 2004
Location: Alex VA
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Default Re: New Merc DOHC crate motor

oooofffff dah!! 1600 hp is a nice round number

and the LSX fits into the ZR-1 pretty good

like to see what those LSX DOHC heads cost

put those down on a 6 bolt LSX or better still LS Next alum block and you are ready for those hair dryers

even with an LSX iron it might come in pretty close to the LT5 in weight with a nylon intake

boost a muv!
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Old 12-15-2015   #12
XfireZ51
 
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Default Re: New Merc DOHC crate motor

Quote:
Originally Posted by rkreigh View Post
oooofffff dah!! 1600 hp is a nice round number

and the LSX fits into the ZR-1 pretty good

like to see what those LSX DOHC heads cost

put those down on a 6 bolt LSX or better still LS Next alum block and you are ready for those hair dryers

even with an LSX iron it might come in pretty close to the LT5 in weight with a nylon intake

boost a muv!
Ron,

The 9.0L QC4V is not an LSx w DOHC heads. The 9L is an MMR motor. The LSx heads are a separate design.
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Old 12-15-2015   #13
Paul Workman
 
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Default 1650hp

Quote:
Originally Posted by XfireZ51 View Post
Ron,

The 9.0L QC4V is not an LSx w DOHC heads. The 9L is an MMR motor. The LSx heads are a separate design.
Yep. The 1650 hp came from the article (linked). I wonder if the author has the QC4V and the LSx 'cornfoozed'?
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Old 12-17-2015   #14
rkreigh
 
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Default Re: New Merc DOHC crate motor

Quote:
Originally Posted by XfireZ51 View Post
Ron,

The 9.0L QC4V is not an LSx w DOHC heads. The 9L is an MMR motor. The LSx heads are a separate design.
thanks! I know.

and a big TT beast at that! but for sure I know this really is a "boat motor" due to cost, size and weight.

the MM heads for the LSX block are looking promising, but I'm worried they might be a bit too pricey for me.
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Old 12-17-2015   #15
cvette98pacecar
 
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Default Re: New Merc DOHC crate motor

Quote:
Originally Posted by rkreigh View Post
thanks! I know.

and a big TT beast at that! but for sure I know this really is a "boat motor" due to cost, size and weight.

the MM heads for the LSX block are looking promising, but I'm worried they might be a bit too pricey for me.

With the current cost of the FRC the heads might cost you more than the car.

http://www.ebay.com/itm/Chevrolet-Co...m=221970894621
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Old 12-18-2015   #16
rkreigh
 
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Default Re: New Merc DOHC crate motor

indeed. I bought a turn key TT Z06 for cheaper than the LSV or what LPE charged for the 4 TT ZR-1s they built.

even the later c5 Z06s are prices very cheap

and now the TT c5s are down below 30k which makes them hard to beat if the setup was done well

I've been very happy with the TT Z06, it's a great car.
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