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Unit 5302 · 09-08-2001, 05:38 PM

93cobrah, the 6cyl was done away with after 1986. It didn't come back until 1994. The only two engines offered between 1987-1993 were the base 2.3L SOHC I-4 in the LX only, and the 5.0L OHV V-8 in the LX as an option, and the GT as the standard.

1987-1990 2.3L's were rated at 88hp.
1991-1993 2.3L's were rated at 105hp. The additional power came mostly from improved heads. I'm unaware of when the 2.3L went to MAF, not that it really matters, lol.

A couple things to remember about the 4cyl cars. There is more to the 5.0L package than just an engine.
[list=a][*]Engine. Over double the power with the 5.0.[*]Transmission. 4 cylinder's got the much weaker A4LD auto, and the weaker version of the T-5 manual. You cannot mate a T-5 from a 4 cylinder to a 5.0L due to different input shaft sizes. Not to mention the 5.0 would blow it to pieces.[*]Differential. The 2.3L got the much weaker 7.5" rear end, without positraction, and the 5.0L got the heavy duty 8.8" version.[*]Suspension. Again, the suspention is stiffer and more cornering friendly in the 5.0 cars, which also feature the rear "quadrashocks" limiting rear end wrap up and wheelhop.[*]Interior Options. The 2.3L LX's were not optionable with the upgraded GT sport bucket seats or fabric. The dash is also different with the gauge cluster featuring a different tachometer (6,000rpm), and less of the little warning lights and all that.[*]Apperance Packages. On the outside, the 4 banger cars came from the factory with 14" cheapy looking wheels. Quite frankly, they look terrible.[*]Brakes. A different master cylinder, larger calipers and front rotors help stop the V-8 cars better. The Fox body cars already have lousy brakes. Putting the V-8 into a stock braking 4 cylinder is nuts in my opinion.[*]Other changes under the hood take place as well. The early 2.3L's at least until 1988 had no smog pump, an inadaquate for a V-8 electric fan, smaller radiator, and a different fan shroud, obviously, for a few more changes. Also, the wiring harness is also different, along with the computer.[/list=a]

[This message has been edited by Unit 5302 (edited 09-08-2001).]

09-08-2001, 05:38 PM	#12
Unit 5302 Registered Member Join Date: May 1999 Posts: 5,246	93cobrah, the 6cyl was done away with after 1986. It didn't come back until 1994. The only two engines offered between 1987-1993 were the base 2.3L SOHC I-4 in the LX only, and the 5.0L OHV V-8 in the LX as an option, and the GT as the standard. 1987-1990 2.3L's were rated at 88hp. 1991-1993 2.3L's were rated at 105hp. The additional power came mostly from improved heads. I'm unaware of when the 2.3L went to MAF, not that it really matters, lol. A couple things to remember about the 4cyl cars. There is more to the 5.0L package than just an engine. [list=a][]Engine.* Over double the power with the 5.0.[]Transmission.* 4 cylinder's got the much weaker A4LD auto, and the weaker version of the T-5 manual. You cannot mate a T-5 from a 4 cylinder to a 5.0L due to different input shaft sizes. Not to mention the 5.0 would blow it to pieces.[]Differential.* The 2.3L got the much weaker 7.5" rear end, without positraction, and the 5.0L got the heavy duty 8.8" version.[]Suspension.* Again, the suspention is stiffer and more cornering friendly in the 5.0 cars, which also feature the rear "quadrashocks" limiting rear end wrap up and wheelhop.[]Interior Options.* The 2.3L LX's were not optionable with the upgraded GT sport bucket seats or fabric. The dash is also different with the gauge cluster featuring a different tachometer (6,000rpm), and less of the little warning lights and all that.[]Apperance Packages.* On the outside, the 4 banger cars came from the factory with 14" cheapy looking wheels. Quite frankly, they look terrible.[]Brakes.* A different master cylinder, larger calipers and front rotors help stop the V-8 cars better. The Fox body cars already have lousy brakes. Putting the V-8 into a stock braking 4 cylinder is nuts in my opinion.[]Other changes under the hood take place as well.* The early 2.3L's at least until 1988 had no smog pump, an inadaquate for a V-8 electric fan, smaller radiator, and a different fan shroud, obviously, for a few more changes. Also, the wiring harness is also different, along with the computer.[/list=a] [This message has been edited by Unit 5302 (edited 09-08-2001).]