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Old July 17th, 2011, 09:29 PM   #43
Never_Evil
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Join Date: 07-24-07
Location: Green Bay, WI
Posts: 346
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Quote:
Originally Posted by prozak1986 View Post
351 swaps are easy , there tall thow so expect to put a cowl hood on , you will need fox 302 to 351 swap headers and a new oil pan to clear everything , the gt40p heads you have will probably sufocate the 351 thow unless you get alot of port work done and bigger valves but the cost of doing that you could probably find a nice set of used aluminum heads , you will need a new distributor to 302s and 351s are not the same dizzy , also make sure you get a cam for it to wake it up or else you will be disappointed with the truck cam that's probably in it
Yer honor, everything that guy said is bullshit!

I am going to repeat what 3/4 of the mustang sites will say. The GT40P heads are similar to the E7 heads except the bigger valves on the GT40P heads and shitty placed spark plug. You will need to purchase Specific headers for this head, if you go with factory or generic, you will not to get some plugs in or out and will not be able to get your plug wires on.

The 351w is about 1" taller than a 302 so to combat that, most guys use the convertible motor mounts. It will drop the engine about 1/2 to 3/4 of an inch. It is true you will need a new oil pan for the car, summit and jegs have them.

As far as going to 5 lug. You can either get GT spindles and 94/95 rotors or go with a Lincoln Mark VII setup. The rear conversion and be done with either a SN 95 axle, Mark VII axle, or using the driver side axle from two RBV (ranger based vehicles) explorers being your most plentiful and most useful. You can upgrade your carrier to posi and get a 31 spline axle vs the stock 28. The disc brake set up will also come from the Explorer.

Check out MidwestMustangAssociation.com, its a group based in WI, but we will get you the answers you need.
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