Mustang 3.73 Gear Install

jdemolet · Dec 18, 2013

i know you guys have answered these questions but i was looking at ford racing gears on american muscle.com and it includes the ring pinion pinion nut and shims for 160. can i still use mh factory shims or use the ones supplied

A5literMan · Dec 19, 2013

Use the ones supplied. That's what I did

mikestang63 · Dec 19, 2013

Use new shims. I'm looking at the AM site and the Ford gears alone are $175

http://www.americanmuscle.com/ford-373-8693gt.html

Where do you see the gears and install kit for $160? Not to disuade you from the purchase, but LMRS sells the Ford gears, master install kit with the better gt500 pinion sleeve and bearings, friction modifier, and royal purple gear lube for about $250 before the Stangnet discount. Put this kit in my car 3 months ago.

http://www.latemodelrestoration.com/item/LRS-4209FRB-K/Mustang-88-373-Ratio-Rear-End-Gear-Kit

A5literMan · Dec 20, 2013

mikestang63 said:
Use new shims. I'm looking at the AM site and the Ford gears alone are $175

http://www.americanmuscle.com/ford-373-8693gt.html

Where do you see the gears and install kit for $160? Not to disuade you from the purchase, but LMRS sells the Ford gears, master install kit with the better gt500 pinion sleeve and bearings, friction modifier, and royal purple gear lube for about $250 before the Stangnet discount. Put this kit in my car 3 months ago.

http://www.latemodelrestoration.com/item/LRS-4209FRB-K/Mustang-88-373-Ratio-Rear-End-Gear-Kit

That's what I used! And thought that kit is what he was talking about. I didn't pay attention to his stated price.

jdemolet · Dec 27, 2013

on american muscles site they have frpp gears with just the shims for 160. the ford number is m-4209-f373n

jdemolet · Dec 27, 2013

we get a discount from latemodel if were on this forum i did not know that

88LX5.Oh · Dec 27, 2013

With my Bronco I went from 3.55's to 4.10's and used my factory shims. I seriously didn't even bother buying a shim kit. Back lash and pattern were perfect. I've been daily driving it for close to a year now and have no issues. Also with my car rear end. I went from 3.27's to 3.73's and used the shims from the 3.73 rear end and everything was perfect. But every single damn Chevy rear end we've had come through my shop has had to have a shim kit.

jdemolet · Dec 28, 2013

what kind of gasket do I need for the upper and lower gt40 intake manifold on the e7 heads

mikestang63 · Dec 28, 2013

jdemolet said:
what kind of gasket do I need for the upper and lower gt40 intake manifold on the e7 heads

Search is your friend. It's been asked about 1000 times; or start a new thread if you want people to chime in.

jdemolet · Jan 25, 2014

can I reuse my factory bearings that car has only 107,000 miles

88LX5.Oh · Jan 25, 2014

You could if you wanted. Most people would say that you might as well swap in new ones while you're there but if you wanna do a budget set up then go ahead and re use them because 107k isn't too bad I suppose.

jdemolet · Jan 25, 2014

im only the third owner so it needs some mods

mikestang63 · Jan 25, 2014

jdemolet said:
im only the third owner so it needs some mods

dude, don't reuse the factory bearings. The car is 20+ years old. Do you really want to pull the rear end apart again because you went the cheapo route? Do it right the first time and be done with it. New bearings, seals, gaskets, for the carrier, axles, pinion, etc.

jdemolet · Jan 26, 2014

yeah im going to use the new bearings I need to know about the new shims with the kit

madspeed · Jan 26, 2014

What about them?

jdemolet · Jan 26, 2014

should I start with the original shims then check the backlash and see if its in spec and go from there

Fordfreak93 · Feb 2, 2014

You could measure your old shims as a starting point, but I would use all new stuff.

jdemolet · Feb 8, 2014

are the frpp gears the same pinion depth as the factory 2.73

GoldenEagle91 · Feb 8, 2014

jdemolet said:
we get a discount from latemodel if were on this forum i did not know that

I did not know that either. How do we get the discount when ordering?

jdemolet · Feb 8, 2014

no idea

Mustang 3.73 Gear Install

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