Ok I have weighed my options and figure that replacing my 9 bolt 2.77's is the best way to get better prformance. I am going to get a 4th Gen axle w/ rear disc. That way I wont have to change anything except maybe the brake hoses. Then to fix the problem of the wheels sticking out on the rear I am just putting 4th gen wheel on the back. For the front I am going to get spacers and put 4th gens on the front. I just bought a set of 93-94 Trans Am Wheels on Ebay for $200. They are the 16X8 with oput tires. I figure they were worth $350 to me so I think I got a good deal. Now all I have to do is get the axel and spacers and I can get this thing underway. Any tips on where I can get the spacer and axel would be appreciated.

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86 Trans Am 355 TPI Rebuilt 700R4 with Corvette servo, modified valve body, and a B&M Torque Converter (2000 rpm stall w/ lock up), 87 350 block bored .30 with new crank, bearings, rings, and magnafluxed rods. Reworked 305 heads with 3-angle valve job. Added in the rebuild was an SLP TPI cam, BBK 58mm Throttle Body,SVO 24# injectors,MSD 6A, Hypertech Power Coil, 1.5 Crane roller tipped rocker arms, SLP Intake Runners and Port matching in upper intake including fully ported plenum, TPIS adjustable fuel pressure regulator @ 46psi, Hooker shorty style headers w/ Thermotech heat wrapping, Custom 3” exhaust with Flowmaster muffler and chrome quad tips, Hypertech Thermomaster Computer chip, K&N open element cone filter on modified MAF per TPIS specs, MSD Wires, removal of A/C hardware and a 1LE firewall cover installed. Also there has been a PST front suspension kit with Hotchkis strut tower brace
http://geocities.com/SunsetStrip/Garage/9548/kyle.html

Kills:
95 Talon TSI, 96 Probe GT, 91 T/A L98, 89 RS, 86 Mustang GT, 88 Mustang LX 5.0, 92 Thunderbird V8. couple or ricers that I think were Civics or Preludes not sure what year, 95 Celica GT-S, 94 Chevy 1/4 ton 350, one of those NASCAR F150's

 

Well in my opinion you would be better off sticking with your 9 bolt ,changing the gears and just buying four spacers instead of two.The nine bolt is alot stronger than the ten bolt.As for the spacers www.vettebrakes.com
but look on ebay first.

[This message has been edited by evil t/a (edited July 28, 2000).]

 

Can't buy gears for a 9-bolt with my carrier. If I were to keep the 9-bolt I would invest about $800 into changing the gears and besides I am tring to just get about a 13.8 1/4 time

 

The combo of the 4th gen rear and wheels should stuff right in.

Get a 4th gen rear with disc brakes. Unlike the stupidity that comes on the 9-bolt, they actually work! I will never put a 9-bolt in my car for that reason: regardless of whether the 9-bolt is marginally stronger than a 10-bolt in unmodified form, I like to stop sometimes too.

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"So many Mustangs, so little time..."

 

That is my feelings. I figure it would all fit nicely and the wheels shouldn't hang ou teither, I do like to stop to. I plan on getting the one with DISC

 

has anyone else done this?

 

I replaced my 9 bolt with a 4th gen disc rear and it bolts right in with no problem. It does stick out but i think it looks cool and know i can put a 17x11 rim on the back with no spacers.