I have not got room to fit my alternator in the usual place so i intend putting it in fron of the engine facing backwards.

Is there problems associated with doing this, due to thing running in the other direction.

Should i try and get an alternator that would normaly run in that direction?

If so, which one run the wrong way. ( i'm thinking older jap cars ?)

It's been done before, but I can't remember who by. AS you've assumed, as long as it spins in its intended direction then all will be well, although the bracket for it would need to be quite stiff and probably fairly big. You could use a "normal" one and a longer belt to wrap the now correct way round it, or use an idler wheel to alter it, or try an older Honda one, as they span the wrong way

Apparantly it doesn't make any difference if you spin it backwards....

It might make a difference if you have an old alternator with worn brushes but as said above they will charge in either direction.

Rotate the brushes?

As said an alternator is not directional. A dynamo is!

Get an alternator that is intended to be run in that direction as the brushed are normally offset.

How about cooling, the fan will be directional ?

Running the fan backwards will be very inefficient.

Alternator off a Honda-Rover (216Gsi or 416Gsi or 620) will do the trick

Which engines go backwards then?

Alternator off a Honda-Rover (216Gsi or 416Gsi or 620)

HONDA Civic 1.5i 16V ED.. 88-92

HONDA Civic 1.5i 16V AT ED.. 88-92

HONDA Civic 1.6i 16V ED7 88-91

HONDA Concerto 1.6i 16V MA 89-93

HONDA Concerto 1.6i 16V AT MA 89-93

HONDA Shuttle 1.5 88-90

HONDA Civic 1.5i EG4 92-95

ROVER 216 1.6i 16V 91-96

ROVER 216 1.6i 16V AT 91-96

ROVER 416 Gti 90-92

ROVER 416 16v 92-96 ?

how about these ?

Thats about it apart from Chrysler Alpines & Horizions -- but they had external electro-magnetic voltage regulators.

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&ih=003&sspagename=STRK%3AMEWA%3AIT&viewitem=&item=130097682688&rd=1&rd=1 />
how abot this one ?

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02GF74 - 12/4/07 at 08:00 AM

quote:

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Originally posted by britishtrident
Running the fan backwards will be very inefficient.

Alternator off a Honda-Rover (216Gsi or 416Gsi or 620) will do the trick

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what makes you say that?I wasn;t aware of the offset bsuhes, of the 2 lucas ones I have taken apart, they looked 100% radial.

The fan would need to be changed as the blades are shaped to scoop air inth the alternator.

As said, some Honda engines are the most common ones that run anti-clockwise.

It must be really tight in there if you cannot fit an alternator on eitehr side of the eninge

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MikeRJ - 12/4/07 at 02:15 PM

quote:

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Originally posted by 02GF74
The fan would need to be changed as the blades are shaped to scoop air inth the alternator.

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The centrifugal fans mounted behind the pulley suck air out of the alternator, the cool air enters from the other end. The blades of the fan are usualy offset to make it work more efficiently in the normal direction of rotation.

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PaulBuz - 13/4/07 at 03:46 PM

This is my solution.
The alt will run just as well forwards as backwards, cooling issues aside.
I'm hoping that the alt. will be relatively lightly loaded compared to the load from the donor car, so should'nt have any probs with cooling.....
But if I do I'll just rearrange the fan set up.
Rescued attachment alt.jpg

Nice setup! I looked into making my alt run backwards but stoped as i was concerned about cooling, brushes etc.

I mounted my alt further up above my left cylinder bank.

Darren