Other than the supercharger and forged pistons( and of course the heads) what is the difference between a 16v 5.4L and the 32v 5.4L. I am considering doing a swap and was wondering the pros and cons of that motor, and where to aquire one cheap. also, has anyone done this yet? Is this a good idea? or should i just build up the stock motor?

thanks

 

the only 4V 5.4 I have seen (other then the Cobra R) was from SHM. I dont have specifics but basically what I heard was that it didnt perform much better then our 2V motors and was not worth the money. I would rather spend 14k(the conversion cost that much) on a built motor with ported and polished heads, a whipple 140, and a nice nitrous setup, and still have a few grand left over.

 

I know the navigator comes with the 32v 5.4...what is the cost of that motor? anyone know?

 

Headline: 5.4 DOHC 4 Valve Engine For Sale website link 13908
1999 Ford 5.4 DOHC 4V V8 Engine 9,980 miles 350 + HP 400 FP Torque, Forged Crank, Rods, Pistons, Ported & Polished Heads, Excellent Shape. Complete from Throttle Body to Oil Pan, including Engine Wiring Harness. $4500.00 OBO.

click for fullsize image
Listed By:
John W. Riley
Henderson, NV USA
(702) 480-9271



I'd say $4500. I know that JR is building some very good motors, especially his.

 

does the nav. motor have anything forged in it?

maybe its time to start searching for wrecked 2000 cobra Rs to get a 4v 5.4 (with carillo rods!!)

 

It's not just a matter of the mechanics. Calibration is another issue. You will need 49# twin spray injectors. If you do not use the twin sparay injectors you will burn the intake valves. You can get away with 52# depending on th tuner and the corrections he makes in the tables. Then the transmission will be the other factor!

A well calibrated 5.4l 4V will produce well over 500RWHP if done right.

Best of luck and never go with single spray injectors on a 4V.

The new 03 Cobra has twin spray. Think about it.


Thor.