Imported 88 5.0 foxbody and my Local junk Yard

AyBooboo503

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May 22, 2018
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Hey There, thanks for looking at my post, I’m new to posting as well as owning this beast so bear with me. Mostly stock 88 5.0 Ho E.F.I with a T5 tranny. Has 8.8 rear end, disk breakes, and shaved handles. Hatchback

I’m looking Like everyone, for any sort of way to upgrade parts. (Alternator, electric fans, heads, intake, injectors, lights, speakers,) but out of the PARTS YARD to keep it with in my imaginary Budget . I work two jobs and support My lady, little brother and my Mutt, so I Rarely have time and extra money.

Thank you for Any help, opinions and Responces ahead of time
-Ryan
 
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jrichker

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On a budget? Do the junkyard upgrade...



Gears - 87-88 T-Bird Turbo Coupe rear axle - disc brakes and 3.55 or 3.73 gears in one package for $125-$300. Add another $100-$200 or so to complete the brake upgrade.



94-95 Mustang GT MAF - $40-$100. It is 70 MM instead of the stock 55 MM on regular stangs built prior to 94. This is a direct one for one swap that does not require any tuning or programming, It uses a slip on duct on the side that goes to the throttle body and a 4 bolt flange on the other. You need a flange adapter to fit the stock slip on air ducting that goes to the air box. Wiring plugs right in with no changes. *1 *2



95-97 Ford Explorer intake manifold & throttle body $150-$300. The intake manifold flows 220 CFM +, much better than stock. Throttle body is 65 MM, bigger than the 60 MM on stock stangs. I got a 96 with EGR passages that match the stock setup, so my smog gear works just like factory. You’ll need a 65 MM EGR spacer & new gaskets for $65-$90 so you have a place to mount the EGR & throttle linkage.



Explorer GT40 or GT 40P cylinder heads. The GT40 heads have 3 bars cast at the end of the head. GT 40 's will work with any header setup, they are found on the earlier model Explorers from 95 - 97 I believe.

The GT 40P's are found on 98-2001 model cars and have 4 bars cast into the end of the cylinder head.. They need aftermarket headers designed to clear the angled spark plugs designed to clear the spark plugs, and 90 °angle spark plug wires..

Whatever you GT40 heads get, plan to replace the valve springs replaced with good quality aftermarket springs from someplace like Crane Cams or Competition Cams.



3G alternator from 94-95 Mustangs or other Ford. $20-$120. A must have to make the electrical system work like it should or if you have an electric fan. You’ll need a 4 gauge power wire and a 125-135 amp fuse to go with it about $15- $30.



Lincoln MK VIII electric fan -$40-$160. Free up some HP by not having to drive the stock fan. The 3G alternator upgrade is a must have prerequisite before you do the MK VIII fan. You won’t have enough electrical power if you don’t do the 3G upgrade.



Aluminum driveshaft: (courtesy of shawn13) It needs to be from a 92-93-94 Aerostar AWD. It measures 45 ½” center of the front U-joint to center of the rear U-joint. You will need the U-joint, part #PUJ353 from NAPA. The Canadian NAPA pat number is 1-0134BF. It should bolt right up after the U-joint swap.



Note: This driveshaft is not an exact duplicate of the Ford Racing part. It is 3” in diameter while the Ford Racing part is 3.5” in diameter. There is no guarantee that the balance will be any better than the stock part.



Use a piece of string and wrap it around the driveshaft. Make a mark on the string where the ends overlap. Measure the length of the string:

On the 3" Aerostar driveshaft the string will be 9.42" or about 9 7/16" long.

On the Ford Racing 3.5" driveshaft the string will be 10.99" or about 11" long



*1.) Metal flange adapter http://www.kustomz.com/components.html Buy the TR70 for $40. Or spend some time on eBay looking for one that may fit.



*2.) MAF & sensor interchange

The 94-95 Mustang 5.0 MAF & sensor is also found on:
1995-94 Mustang 3.8L F2VF-12B579-A2A,
1994-92 Crown Victoria 4.6L F2VF-12B579-A2A,
1995-94 Mustang, Mustang Cobra 5.0L F2VF-12B579-A2A,
1994-92 Town Car 4.6L F2VF-12B579-A2A,
1994-92 Grand Marquis 4.6L F2VF-12B579-A2A,

Evidently the –A1A, -A2A, AA, etc. on the end of the part number is a minor variant that did not change the operating specs. You should be able to ignore it and have everything work good.
 
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Mustang5L5

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Heads, intake, throttle body and injectors off an early 1996/1997 explorer mountaineer. The heads are gt40 heads and the intake is the egr version.

You can easily google how to ID the gt40 heads vs the later gt40p heads.

Depending on boneyard should be under $200 for all that.
 

jrichker

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Identifying GT40 heads
Revised 26 may 2018 to include spark plug angle pictures and text descriptions.
The GT40X are aluminum. The GT40 & GT40P heads are iron. Use a magnet and it will stick to iron, it will not stick to aluminum.

GT40 heads have 3 bars cast into the front or rear sides of the heads.


GT40P heads have 4 bars cast into the front or rear sides of the heads.




GT40 heads have angled spark plugs, flow slightly less than GT40P. Stock and aftermarket headers fit with no problems.

GT40P heads have flow slightly more than GT40. The straight spark plugs mean that some aftermarket headers don't fit properly and spark plug wiring may be very close to the headers and burn easily.
 

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