Forgive my ignorance on this "red top" stuff, but I notice they're trying to sell this motor as a 4A-FE, but my Prizm certainly doesn't have that "S" on it, painted in red.
The 16Valve part is rather clear, but I'm guessin' the 's' means somethin' more??
30-40K Japan motor would be kinda' nice.
(Never realized how skinny these motors were.....LOL)
EFI-S indicates that these engines are in fact 4A-FHEs, not 4A-FEs... Those of you familiar with Toyota's engine designations already know that an H in the engine code (after the -) indicates an engine with some sort of upgrade to the head and induction system in general for the sole purpose of boosting output. It fell into disuse in the early to mid '90s, with only a few made, including 5A-FHE, 4A-FHE, 5E-FHE, 2L-THE. Note that the H versions of the 4A and 5A disappeared when the second generation of F-head A-series engines debuted (for those of you who are counting, this means the shift from the early 4/5/6A-F/FE to the later type 4/5/7A engines), as the newer versions' output met or exceeded that of the earlier H versions, as well as attaining lower brake specific fuel consumption (BSFC) than even the standard versions.
All this talk is nothing without some hard numbers, so here goes... the numbers included are only the approximate averages of the output of these engines as installed in a variety of JDM Toyota vehicles...
Thanks for the #'s................explains a lot for me in my motor.
Makin' max torque at 4,800rpm............LOL!!!!!...................No wonder I feel like I'm not going anywhere 'til about 4,000rpm.........................Sheeeeeeesh!!!!!
The extra helping of torque from the later 50-state models came from tighter fuel injection control and minor tweaking. Each injector was independently controlled, while the earlier E10 models had grouped injectors (1 and 3, 2 and 4 fired simultaneously). E9 models (1st gen 4A-FE) had an all-at-once injection system. The earlier models had 6300 rpm redlines, while the redline on 50-state models was only 5800 rpm. The CA emissions package included an EGR system as well as a twin cat, twin lambda sensor system, thus choking engine output a bit. This was mainly due to the increased exhaust backpressure from the twin cats.
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'93 Corolla AE102 XLi saloon
We're all looking for something.... Something to be...
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