new best et/mph!! should I go 4.10s though?

[fiveohpatrol]

i finally got to test out my new "combo" today, actually hooked pretty good, i ran 2.0 60ft times all day, my best was a 13.77@101.35, my question is for AOD guys that have tried 3.73s then moved to 4.10's or vice versa, is it worth it? i think it would be the best for my setup as is, but i am thinking of doing the T-5 swap within a couple years so i'd just keep the 3.73s for when/if i do that, or should i just leave the gears and save for a high dollar converter or for the T-5 parts, thanks guys

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88 Notchback 5.0, 3.73's, Ported E7's, Explorer int. w/ ported lower, pulleys, Crane 1.7's, BBK headers, off-road H-pipe, flowmasters, subframe connectors, 65mm TB, shift kit, March ram air kit, motorsport wires, MSD coil, upper and lower control arms, 155lph fuel pump, cheap 2800 stall, Crane Adj.FPR, best time- 13.99@99.75, not yet tested times after rockers,intake or ported heads

[Skyman]

Nice numbers, I dont think the swap would be worth the $400. Its not that large of a difference. Getting some sticky tires, and tune the car a bit more. Im sure SLOAOD is gonna come on here and talk **** to you how slow or car is, but don't listen to him. Good luck, and save for the T-5.

Skyler

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-1989 Saleen Mustang #406- TFS Heads, E-303, edelbrock intake,70MM TB, 73mm MAF, off road H, headers and 3chamber flows.
12.55@107mph
Mustang owners get a 15% discount!
www.OJAIPCPROS.com

[2FastLX]

This is a tough question Drew. How fast do you plan on making your car? Do you plan on keeping it streetable? If so you may want to convert to a T5 for the joy of shifting. I personally LOVE being at a light and getting the old "LIGHT EM UP" comments and being able to take off in 2nd to get the tires smoking for them

But if you plan on racing a lot the AOD will be more consistant. Proven yesterday as you were the most constant racer out there and you were being very scientific about your times and numbers which I thought was really cool. I personally would keep the AOD and make it fly!

I can't really suggest anything on the gears man since I haven't been there. How many RPM is your engine running at 65mph? Mine is upwards of 2500rpm or so which makes for a not so fun trip from Indy to Terre Haute. It sounds like the engine is racing a bit too high to me.

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Too much to list. Best ET on the car so far with stock 2.73 gears - 13.73@102mph

Indiana Stangers Association
Buy your parts here
ICQ# 42269241

[fiveohpatrol]

65? never heard of going that speed im normally about 2600RPM to Terre Haute and back cruising at 75, this is on my autometer tach so i know its accurate, i do plan on making it a low 12 maybe 11 second streeter, but i do like how consitent it is on the track, but its just not as fun to drive, i dont know, maybe i'll just get the 4.10's this summer, save for a PI stallion and a lentech valvebody, someone please make up my mind for me

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88 Notch, 3.73's, Ported E7's, Explorer int. w/ ported lower, pulleys, 1.7RR's, BBK headers, off-road H-pipe, flowmasters, subframe connectors, 65mm TB, shift kit, March ram air ,MSD coil, U/L control arms, 155lph fuel pump, cheap 2800 stall, Crane Adj.FPR, best 1/4--> 13.77@101.35

[13sec95vert]

i have 3.55 gears and im having the switch from the aod to the t-5 done at this very moment it should be done by the 22nd.
According to the experts at stictly performace in houston where im getting the swap done the t-5 is good for 7 tenths over a stock aod. Ill let you know how it feels when i get it back and then give you a track report on the 25th.

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1995 gt convertible:
3.55 gears, underdrive pulleys, cobra intake , fenderwell cold air, 65mm throttle body, 75mm mass air meter, off-road h pipe, borla cat back, 155lph fuel pump, yokohama a520(drag radials) 275s, 5 speed conversion with t-5 and all ford racing parts, and a dino tuned diablo chip done at strictly performance in houston

The result wouldn't be that much better to warrant the $400-$500 cost......especially if you ever want to add a turbo or s/c.

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'90 LX 5.0; 12K original miles (no sh*&); 3.55 gears; pulleys;Edelbrock Performer Heads; BBK shorties; MSD 6AL box w/ blaster 2 coil; Motorsport E303 cam; Pro-M 75mm MAF; BBK 70mm TB; Eibach spring kit; Southside welded subs; K&N cone filter charger; Hurst shifter; fiberglass turbo hood; A/C-less; rear seat-less; cat-less; 2 chamber Flos; Corbeau racing seats (fronts);
30# injectors; JMS Chip; 190 lb fp; TFS track heat Intake (12.299 @ 113)

[fiveohpatrol]

it wont be $400, theres a guy at a local ford dealer that does it on the side for $75, i've talked to many people who have had him do it and he does a good job, also a friend is going to buy gears soon but he wants 3.73's so i may have him get some 4.10s and i'll give him my gears and a little extra cash

[Josh91]

I've done the 3.73 to 4.10 swap. It was one of my best mods to date. Just for a quick comparo, I raced a buddy before and after the swap. At the time I had stock heads/cam, but did have intake, rr, pulleys, converter, etc. With 3.73 I would pull him out of the hole, but he would catch and pass me before the 1/8 mile mark easily. After the 4.10, I would pull him hard out of the hole and he would never catch me. That is quite the improvement IMO. Well worth the $$.

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91 GT - Cobra Intake, FMS 65mm TB, C&L 73mm MAF, GT-40P heads, Crane 2031 cam, Crane 1.7rr, Built AOD, Art Carr 2400 non-lockup converter, Transgo shift kit, BBK cold air, FMS 'P' headers, Pacesetter off-road H, BBK pulleys, Flows w/dumps, FMS 4.10's, Steeda STB, StangNet LCA's, for now...

Original GT-40P Tech Page

[fiveohpatrol]

thats good to hear, by the way Josh91 how do you like your converter? was it worth the money? do you wish you woulda gone a little higher with the stall? how much did it cost you?

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88 Notch, 3.73's, Ported E7's, Explorer int. w/ ported lower, pulleys, 1.7RR's, BBK headers, off-road H-pipe, flowmasters, subframe connectors, 65mm TB, shift kit, March ram air ,MSD coil, U/L control arms, 155lph fuel pump, cheap 2800 stall, Crane Adj.FPR, best 1/4--> 13.77@101.35

[TheSloAod]

skyman- thanks for thanking about me, nice to know I'm in your thoughts

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My slo aod- 3.73s, pullies, flowmasters, h-pipe, bbk cold air, and 13.42 in the 1/4 @ 103 mph

[fiveohpatrol]

ttt

[Josh91]

I really like my converter, it was well worth the money (around $400 I think for converter and 1-piece solid input shaft). I do wish I would have stalled it higher though, but when I got it I was mostly stock. I would stall it at closer to 3000 now. I got a pretty good deal on the converter from Scott @ Art Carr. I told him I wanted a PI converter and asked what they could do for me. He beat their price and their turnaround time to get it to me.

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91 GT - Cobra Intake, FMS 65mm TB, C&L 73mm MAF, GT-40P heads, Crane 2031 cam, Crane 1.7rr, Built AOD, Art Carr 2400 non-lockup converter, Transgo shift kit, BBK cold air, FMS 'P' headers, Pacesetter off-road H, BBK pulleys, Flows w/dumps, FMS 4.10's, Steeda STB, StangNet LCA's, for now...

Original GT-40P Tech Page