[matt167]

You can probably find them in the junkyards, I know of '96 up mustangs ( 4.6 DOHC ) , '1997- up F150-250's ( 4.6-5.4 DOHC ) and Linclion uses them also in the 4.6. I'm not shure but I think only the DOHC engines have the hemi looking valve covers, the SOHC has sparkplugs that enter at the top of the head near the fuel rails, but they can be found in early 90's Crown Vics and Merc Maequise. nither engines can be carb'd that I'm aware of, because they are fully electronic/ have no parts for that conversion and use coil pack ignition ( no distributor ). DOHC means dual overhead cams and SOHC means single overhead cam.

 

[matt167]

take the whole car, and follow everything out to make shure you get all engine wiring, then send the car back to the junkers, computer is somewhere under dash

 

[matt167]

Looks like someones been skullking around my journal :nono:

Ha Ha Very Cool! :welcome:

As far as I've found, the 4.6 DOHC (looks like an old hemi) came in Mustang Cobras and the Lincoln Mark VIII (only the 93-98 Mark VIII's, not the town cars or continentals). Not sure if the 5.4 ever came with DOHC (except maybe in the Lightnigs). The 4.6 and the 5.4 are very common, but not the DOHC variety, these were only put in the higher performace models. I'm using one out of a '93 lincoln and puts out 280 HP stock. These are are like the Cobra's little brother, the cranks are not forged, etc but the blocks are the same and will take a 96-98 cobra intake. These are all aluminum blocks though and can handle some decent horsepower.

You could convert over to a carb, Sullivan Perfomance I believe makes a regular carb manifold. The ignition would a little difficult as there is no distributor.

If you noticed in my journal, the original 302 I used was EFI and I just "transplanted" everything from the donor vehicle. My suggestion would be to stick with the older (more stupider) versions of computers. The early EEC-IV on on my 302 is very similar to the computer on the 93 Mark VIII. 96 and up you have newer versions with OBD and PATS (anti theft). You can delete stuff on the older versions and it will still run ok.

A word of warning though. If you have to crack open one of these aluminum beatuties, thay are not cheap to replace parts. The head bolts are supposed to be one time use, so there's maybe $100, gasket set are around $200, so theres 300 bucks to take it apart and put it back together. forget about pistons and ring and bearings, etc, $$$$$$$$$$ Those aftermarket hemi looking valve covers are over $400 UNPOLISHED!!! The bottom ends have four bolt mains, alignment bolts on the caps and full depth block skirts, so you need to know what your doing. Don't get me wrong, I am very impressed with this motor, but I'm not using it because it's cheap or easy. I love a challenge.

The head bolts are torque to yeild bolts ( can be id'd by the thread running all the way up the shaft ) , meaning they are pre streached from the factory, and you have to put torque them with a torque angle meter, there is no torque rating for final torque, there is just a light torque, then the spec will say to torque 180 degrees or whatever the spec ( torque angle meter is a round meter that measures from 0 to 360 degrees, and has a holding clamp so it does not move, just zero it, and turn it to spec ). If you need the TTY spec, ask someone with a shop, or I can look it up for you if my school shop ever gets shopkey working again ( somthing happened to the subscription )

 

[matt167]

How about a Chevy 181 4cyl from a marine application ( only used in marine, but same designe motor as 151 4cyl from the Nova's ) They retain the same bolt pattern as regular Chevy's