2002 mustang gt th400/junkyard 5.3 build - Ford Mustang Forums : Corral.net Mustang Forum
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post #1 of 2 Old 08-29-2015, 10:14 PM Thread Starter
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2002 mustang gt th400/junkyard 5.3 build

So I changed my mind on the l92 swap. I picked up a th400 from a 73 corvette today for 150.00 $$$ "good deal in my book" I have a 5.3 iron block vortech engine out of a 2004 Chevy Tahoe with 70k miles on it. The plan is too pull the engine apart, all new bearings,gaskets,seals,arp rod bolts,arp head studs, some head porting, a crane 224/232 hr, comp double spring upgrade. I wanna run a square bore carb intake with a Holley stand alone self tuning efi. That coupled with a big plate kit on top (250hp shot). What parts do I need too bolt the th400 up too the 5.3, what do I need too make the 5.3 work in the stang? What stall should I look for? Gearing for 1/4 mile only?this is a completely gutted drag car. I'm hoping the engine holds up for awhile but I have access too over a dozen of these engines at the drop of a hat and already have two spares sitting in my shop. Also a driveshaft too go from the 8.8 too the th400 as well as braking. Also running lexan windows, and the absolute lightest of everything. I want a race weight of around 2900 and around 700rwhp. All my money for the build is going to the chassis and suspension itself. Any insight or ideas are greatly appreciated!!

1999 mustang gt,Fully forged shortblock,Patriot cncd heads,Comp 270 cams,60# injectors,Bbk 315 lph pump,jms fuel max v2,Novi 2000 with Paxton a2a intercooler,3.25 upper,Innovator west 15% crank pulley,T-45 with spec stage 3 clutch,3.73 gears
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post #2 of 2 Old 11-07-2015, 11:34 AM
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You need a crank shaft spacer to bolt up your trans to the 5.3. Buy a tubular kmember/mounts from AJE and the motor will drop in .

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