4V heads on GT Block.
01-13-2007, 12:54 PM
#11
6th Gear Member
Join Date: May 2006
Location: Ohio
Posts: 6,448
RE: 4V heads on GT Block.
The heads will bolt right up. Your compression will drop if this is a PI motor and go up if it is a non PI motor, Trust me it is cheaper to buy a 99 cobra then to swap 4v heads into a GT.
01-13-2007, 07:12 PM
#13
3rd Gear Member
Thread Starter
Join Date: Feb 2006
Location: Missouri
Posts: 642
RE: 4V heads on GT Block.
I may do that. I just don't like the fact that I can build a 2V and only have like 300-350 rwhp. It's not that cool. I think I'll start searching for a 4V, just as a feeler. What would you guys do? Build a 2V, or save some more, and do 4V?
01-13-2007, 07:37 PM
#14
5th Gear Member
Join Date: Feb 2005
Location:
Posts: 2,034
RE: 4V heads on GT Block.
Heres a good link... http://www.sullivanperformance.com/YVS450/tech/tech.htm
Heres a qoute.
This write up is probably a little old because now explorers have there 4.6 SOHC in an aluminum block.
"4.6L DOHC engines have come with blocks cast in both iron and aluminum. You can find the aluminum blocks in Mustang Cobra's up to year 2002, Lincoln Continental, Lincoln Mark Series and the Lincoln Aviator. These blocks are cast by Teksid in Italy for Ford. All of the aluminum engines are assembled at
the Romeo plant. No SOHC engines have ever been cast in aluminum, although the blocks are generally interchangeable between the DOHC and SOHC. The only exception to this is the Continental engine which is front wheel drive. This block will not work in rear wheel drive vehicles. One of the motor mounts is not drilled, the bell housing is different to allow mating up to the transaxel, the oil filter is located on the opposite side of the block, the front cover and accessories are different. The oil pan has a front sump so
this may help with some swaps that require a front sump. If you get stuck with one of these engines, you can still use all of the internal parts, cylinder heads and intake. These parts will bolt up to an iron or aluminum rear wheel drive block. Be sure to evaluate the time and expense associated with this kind of swap, all of the necessary parts needed to complete this conversion will add up quick."
Heres a qoute.
This write up is probably a little old because now explorers have there 4.6 SOHC in an aluminum block.
"4.6L DOHC engines have come with blocks cast in both iron and aluminum. You can find the aluminum blocks in Mustang Cobra's up to year 2002, Lincoln Continental, Lincoln Mark Series and the Lincoln Aviator. These blocks are cast by Teksid in Italy for Ford. All of the aluminum engines are assembled at
the Romeo plant. No SOHC engines have ever been cast in aluminum, although the blocks are generally interchangeable between the DOHC and SOHC. The only exception to this is the Continental engine which is front wheel drive. This block will not work in rear wheel drive vehicles. One of the motor mounts is not drilled, the bell housing is different to allow mating up to the transaxel, the oil filter is located on the opposite side of the block, the front cover and accessories are different. The oil pan has a front sump so
this may help with some swaps that require a front sump. If you get stuck with one of these engines, you can still use all of the internal parts, cylinder heads and intake. These parts will bolt up to an iron or aluminum rear wheel drive block. Be sure to evaluate the time and expense associated with this kind of swap, all of the necessary parts needed to complete this conversion will add up quick."
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