.jpg.493090b27f1b354524c292905e3f2703.jpg "70A Alternator on E21 Low Bracket")
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| Low mounted utilizing the E21 Alt bracket, and the smaller alt. |
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| With the E21 bracket, ’89 Toyota alt has ‘almost’ right mounts |
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Replace – FYI, do not do this at residence except you want doing issues the exhausting means. I needed to modify the alternator tab to get the correct alignment. One step ahead, then two steps again… (higher to have simply used a single wire ND alternator with small mounting tabs like I initially deliberate)
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This places the load decrease but in addition opens up extra space up prime for “actions” corresponding to turbo piping (long run purpose).
I minimize off the highest brackets from the aluminum mount, chased the threads within the unused gap within the block and tried to suit E30 BMW alternators: an 80 Amp from an ’84 318i and a 90 Amp from an ’87 325is.
These ARE able to becoming within the higher inventory location by using a 318i mount from the e30 and a straightforward adjustment to the inventory wiring.
Sadly, these alternators are simply too massive to slot in this decrease location because of the physique of the alternator contacting the oil filter head. I may have discovered a inventory E21 alternator but it surely solely places out 55 Amps and the Bosch items are pretty costly ($189 to $240).
After a lot looking out I discovered an answer that checks all of the bins:
A contemporary alternator
available
light-weight
cheap ($76)
small
70 Amps
Accessible with a lifetime guarantee from the auto retailer!
Answer:
1990 Toyota 4 Runner 2.4L Alternator for an Automated (handbook is just 60 Amps)
A smaller measurement, everlasting magnet, Nippon Denso model alternator.
It’s one charging wire (+three easy monitoring wires), and a refurbished unit price me $76 with a lifetime guarantee.
The primary advantage of this alternator is that the underside mount width is sort of the identical because the E21 bracket and the highest mount is offset to about 11 o’clock, just like the E21 alt.
UPDATE: THIS WOULD BE THE PATH TO GO NEXT TIME. For those who nonetheless wish to use the inventory bracket you should buy an ’87 Suzuki Samurai alternator which has the mounts at 12 and 6 o’clock and simply add shims to the underside mount bolt.
I acquired a Toyota alternator pigtail from the junkyard together with the inventory pivot bolt. I may have taken the entire alt from the junkyard and used that however it might have been round $40 for an unknown used unit and for $36 extra I now have a assured good unit with a lifetime guarantee.
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| Smaller and lighter than inventory! |
I ended up drilling out the E21 alt mount bracket to simply accept the bigger pivot bolt, then trimming down the pivot bolt head to suit flush into the mount.
I additionally lastly discovered the proper drive belt size of 945mm after a number of journeys to the components retailer for various lengths.
I certain made this more durable on myself than wanted, however I realized rather a lot!
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