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Locobob
09-18-2015, 01:47 PM
It appears Mercury Marine has adapted its giant DOHC boat motor for street rod use. The article is pretty old but I don't recall it being posted here.... perhaps I missed it.

http://www.hotrod.com/events/coverage/9-0l-dohc-big-block-crate-engine-see-it-first/

XfireZ51
09-18-2015, 02:07 PM
Bob,

A group of us were up in Fond du Lac and visited MMR. We saw one of these beasts being built. But the trick one is the DOHC heads MMR displayed for the LSx block. That could be a worthy sub for the LT-5.

USAFPILOT
09-18-2015, 06:36 PM
First person to stuff one in a ZR-1 wins!

JimZRyd
09-18-2015, 07:01 PM
Awesome but at 65K!!!:eek:

cvette98pacecar
09-22-2015, 02:09 AM
It wouldn't fit under a toledo pro hood.

Fully Vetted
09-22-2015, 02:43 PM
It also weighs almost 800 lbs.

Mystic ZR-1
09-22-2015, 03:27 PM
It wouldn't fit under a toledo pro hood.

That's why they make Sawzalls...
;)

XfireZ51
09-22-2015, 07:13 PM
It also weighs almost 800 lbs.

Yes but w 1600hp, it makes up for the extra weight.

BigJohn
09-22-2015, 08:52 PM
That's why they make Sawzalls...
;)

It would fit in my truck!

:dancing

FU
12-14-2015, 06:37 PM
Here the MM engine is in a retro Charger,

http://img-s-msn-com.akamaized.net/tenant/amp/entityid/BBnxGF4.img?h=382&w=626&m=6&q=60&o=f&l=f

Link to the article :

http://www.msn.com/en-us/autos/autos-large/speedkore-performances-tantrum-is-a-70-dodge-charger-turned-1650-hp-supercar/ar-BBnxQK4?li=BBnb4R5

rkreigh
12-15-2015, 08:15 AM
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!

XfireZ51
12-15-2015, 09:38 AM
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.

Paul Workman
12-15-2015, 09:54 AM
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'?

rkreigh
12-17-2015, 08:17 AM
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.

cvette98pacecar
12-17-2015, 07:35 PM
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-Corvette-/221970894621?forcerrptr=true&hash=item33ae7f0f1d:g:mFoAAOSw1S9WciL0&item=221970894621

rkreigh
12-18-2015, 10:08 AM
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.