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when my car is warming up there's Absolutely NO power, Like it hesitates so much i have to Nail it just to barely go anywhere... the car isn't throwing any codes but i did remove my EGR, not sure if it applies, But i do Plain on putting my egr back on because my car backfires all the time...

LOL, yeah. haha. I just hate how the afm is so restrictive, I wouldn't mind spending $300-$400 On switching mine over to where i can use the ls1 afm 3". I could gain a little power and gas milage, right? What r u using now? Would MAP sensor ever be possible on the 7m-ge? that would be awesome!

I wish i could keep the 4.30 but have my 5th gear Widened so i get low rpm at Highway speeds, But have less load on the engine around town for best possible mpg.

What are the weights of the steel and alluminum? I thought a remember the alluminum one being only 2-3 pounds lighter for $130 more... is it worth it?

I really don't care so much, i just want better gas milage, But the 3.73 should still be better in town as long ur off the gas since you'll constantly be at lower rpm than if u had a 4.30... I guess it is a pretty drastic jump, I wonder if someone has a video of they're supra with 3.73s... a...

how much do they go for? I'm working right now so i can't call. BTW, Your supra looks awesome with those painted MKIV wheels.

Can anyone find a 1 piece ebay driveshaft?

It shouldn't suffer gas milage, it should help gas milage, Again this is on a Non-Turbo supra. But it will suffer acceleration.

the 4.30 rear end with a w-58 runs at 3,500rpm @ 70mph and the 3.73 runs 2,700rpm @ 70mph.... is there Anyone Else out there who went from the 4.30 to a 3.73 and gained gas milage?

No Smoke anymore, After i got the Cam gears in time and got a new AFM, the car is running great, Only problem is it Hesitates while it's warming up...? After it warms up it runs great.

Huh? Remove the Electronic Fuel Injection to install Secondaries? By the Way, the ACIS butterfly effectively acts as Short and Long runners, Closed = "Long Runner" mode for low end torque, and Open for "Short Runner" mode for High RPM Power. ACIS provides 2 effective power bands. I'm going...

I understand how it works, And i'm aware of the curve at 4,000rpm, But raising the activation to 5,000rpm really shouldn't effect it's performance. I can see what it would be like if it activated at 5,000rpm by going 60% throttle until 5,000rpm then go to WOT (100%) It fiercely switches over to...

I was going to leave the ignition at Stock 10* BTDC. I'de like to know how to adjust the activation rpm from 4,000rpm to 5,000rpm.

I figured that Toyota wanted it to open at 4k rather than 5k for a smoother power band, If it were to Switch over right after the Torque is made, It would be a very aggressive push in your seat as its revs gracefully to 6,500rpm. If someone Could Explain to me what Would have to be done, I'de...

Yes, I jumpered e1 and te1 but now my car's running good with the crank and cams In time, it's at 10* BTDC, But i could have a blown headgasket or the bolts are loose since the Torque Wrench i used was off by about 10ft/lbs of torque.... Could i possibly just retighten them if they're loose?

So i need to do a compression check?

Ok, got it fixed, The cams were out of time, Both gears jumped a few teeth... It runs good now, Seems to be Sippin' on the gas but now I have alot less power than before but once it gets to about 5k There's a huge power difference in the high rpms. But it still backfires on shifts and pops...

I'm gonna pull the cam cover off and Verify the timing on the cam gears, so i'll see... Could egr removal cause missing and backfire?

Lately i've been having problems with my supra. It's an 89' NA.. and it's rebuilt about 10k ago, So it lopes and sounds like missing from the muffler, and when i'm slowing down the Exhaust will backfire, like it'll pop alot, and it's pretty bad at idle and sometimes right when i start it up...

Now i'm getting code 24 and 31!?! (air intake temp sensor) all these codes are afm related but i have a brand new afm...