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Denso Alternator


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#41 techieboy

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Posted 24 October 2011 - 02:52 PM

And before anyone notices .... the drivebelt was a 6PK750 from a VW Polo 1.3 which I trimmed down to create a 5PK750 :P

Pikey mod. :lol: Imnotworthy

#42 MAXR

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Posted 24 October 2011 - 02:52 PM

Neil, It looks fantastic & a healthy weight saving! ...Looks like I'm going to have to pay you a visit again soon! Max

#43 2-20

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Posted 24 October 2011 - 03:56 PM

Neil, Do you have the part number of this Denso alternator ? Thank you

#44 vocky

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Posted 24 October 2011 - 07:13 PM

Do you have the part number of this Denso alternator ?

H073 5V is the Denso 55Amp version, mostly remanufactured now as they are quite old (from the 1990's)

I bought a Kubuta A2198 60Amp version because it was brand new and half price :D

#45 Steffe

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Posted 24 October 2011 - 07:33 PM

Do you know how to get the alternater pulley, or is it possible to use the original one? You will almost have to do a complete BOM, drawings and working instruction for this mod. Its a nice mod. You should start working at Lotus!

#46 vocky

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Posted 24 October 2011 - 07:37 PM

You can get the Denso alternators with 5V pulleys already fitted thumbsup The z22se pulley is totally wrong - too deep and the wrong shaft size. I am currently removing all redundant wiring from my vx, if wiring scares you I suggest you don't look at any pics I post later this week :lol:

#47 alanoo

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Posted 24 October 2011 - 08:02 PM

Yeah doing the same... quite messy, only keeping around a third of the OE loom :blink:

#48 slindborg

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Posted 24 October 2011 - 08:06 PM

tbh its just easier to start again, particularly given the OEM harness is terrible for water ingress/corrosion etc (even for vockies never go out)

#49 Glambee

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Posted 24 October 2011 - 10:50 PM

is there any chance that this alternator works on a Z20LET?

#50 vocky

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Posted 25 October 2011 - 03:09 PM

is there any chance that this alternator works on a Z20LET?

If you make the correct mounts then it will fit most engines thumbsup

Fitting a Denso alternator is a very common conversion :closedeyes:

#51 FLD

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Posted 25 October 2011 - 03:48 PM

Can I ask your opinion please??.... This is a nice mod and fairly easy to replicate. I noticed the single pivot point and I would value your opinion on if you feel this is sufficient on a supercharged car that may have a bit more belt tension. Last thing I'd want is the little begger snapping off! (I have the super tight 1270 belt :tt: ).

#52 Nev

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Posted 25 October 2011 - 08:20 PM

How heavy are the OEM alternators anyone?

#53 vocky

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Posted 26 October 2011 - 04:04 PM

Can I ask your opinion please??....
This is a nice mod and fairly easy to replicate. I noticed the single pivot point and I would value your opinion on if you feel this is sufficient on a supercharged car that may have a bit more belt tension. Last thing I'd want is the little begger snapping off! (I have the super tight 1270 belt :tt: ).

My conversion is really only for the NA engine, the main aim was to reduce weight and lower the alternator. Thus the tensioner is just a L shaped piece of metal.

For the SC it would perhaps be better to mount it where the original alternator is mounted and use two brackets to firmly secure it and retain the belt tensioner - just like the original.

Edited by vocky, 26 October 2011 - 04:05 PM.


#54 vocky

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Posted 26 October 2011 - 04:05 PM

How heavy are the OEM alternators anyone?

2.2 OEM weighs 6Kg

Denso weighs 3Kg

#55 Steffe

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Posted 22 February 2013 - 09:29 PM

Have read this thread again and is thinking of replacing mine alternator with a light weight alternative. Still want to have a good quality alternator though. I found this when I was searching, seems as a god price at least but says nothing about who makes it: http://www.startermo...2010-5618-p.asp Anyone having experience from this one? Otherwise it will probably be this one: http://www.startermo...4011-4627-p.asp But then I will have to change the pulley also. Whats the relationship between Denso and Kubota? And where does all pictures in old threads go? Regards Stephan

#56 Dave H

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Posted 22 February 2013 - 09:50 PM

I used as in the pictures. I had to fit a 5p pulley, modify the bottom mounting, machine up a spacer and fab an adjuster strap.

The alternator also needs an additional positive feed to "jolt" it into action.

Dave.

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#57 vocky

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Posted 23 February 2013 - 08:56 AM

Whats the relationship between Denso and Kubota?

Kubota bought Denso, so basically a new owner

#58 vocky

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Posted 23 February 2013 - 09:11 AM

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#59 Steffe

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Posted 23 February 2013 - 09:37 AM

Thank you for the answers, neat installations. Regards Stephan

#60 siztenboots

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Posted 23 February 2013 - 12:13 PM

nice to see a zlet with this mod, seen similar on a clet
Posted Image

I used as in the pictures. I had to fit a 5p pulley, modify the bottom mounting, machine up a spacer and fab an adjuster strap.

The alternator also needs an additional positive feed to "jolt" it into action.

Dave.

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