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ergal service pulleys #1625701
03/10/2018 21:26
03/10/2018 21:26
Joined: Sep 2015
Posts: 44
italy
P
pippoinzaghi Offline OP
Discoverer
pippoinzaghi  Offline OP
Discoverer
P

Joined: Sep 2015
Posts: 44
italy
Hi everyone

i'm wondering if someone tried and tested lightweight ergal pulleys..
the auxiliary pulleys are very heavy and the gain in weight
switching from iron to aluminium is huge.

Re: ergal service pulleys [Re: pippoinzaghi] #1625723
04/10/2018 13:48
04/10/2018 13:48
Joined: Jan 2009
Posts: 599
Spain
avtokrator Offline
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avtokrator  Offline
Enjoying the ride

Joined: Jan 2009
Posts: 599
Spain
There was discussion on this 3-4 years ago but can't remember who done the conversion, give the search button a try.

Re: ergal service pulleys [Re: pippoinzaghi] #1625743
05/10/2018 13:36
05/10/2018 13:36
Joined: Oct 2010
Posts: 546
Bulgaria
Ferrarist Offline
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Ferrarist  Offline
Enjoying the ride

Joined: Oct 2010
Posts: 546
Bulgaria
Had 2 2.0TS Alfa 156 and one 20VT with crankshaft pulley from billet alloy, weights about 700 - 850g and no worry since.....
Better response......


20VT - Alfa 156 2.0 - Alfa 156 Mid-Engined RWD - Locost 20VT

Re: ergal service pulleys [Re: pippoinzaghi] #1625754
05/10/2018 22:51
05/10/2018 22:51
Joined: Jan 2009
Posts: 599
Spain
avtokrator Offline
Enjoying the ride
avtokrator  Offline
Enjoying the ride

Joined: Jan 2009
Posts: 599
Spain
Do you still have, by any chance, the technical drawings?

Re: ergal service pulleys [Re: pippoinzaghi] #1625755
06/10/2018 04:48
06/10/2018 04:48
Joined: Oct 2010
Posts: 546
Bulgaria
Ferrarist Offline
Enjoying the ride
Ferrarist  Offline
Enjoying the ride

Joined: Oct 2010
Posts: 546
Bulgaria
No drawings, just make it 2cm smaller than original OD, every lather can do it for an hour or two.....


20VT - Alfa 156 2.0 - Alfa 156 Mid-Engined RWD - Locost 20VT

Re: ergal service pulleys [Re: pippoinzaghi] #1625990
14/10/2018 13:36
14/10/2018 13:36
Joined: Sep 2015
Posts: 44
italy
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pippoinzaghi Offline OP
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pippoinzaghi  Offline OP
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Joined: Sep 2015
Posts: 44
italy
i'm referring also to the double pulley in front
connected with aircon/alternator, it's heavy like the hell
if i'm not wrong there was a kit on ebay but right now
isn't available frown

Re: ergal service pulleys [Re: pippoinzaghi] #1626111
17/10/2018 09:27
17/10/2018 09:27
Joined: Nov 2014
Posts: 7
Dubai
S
santino Offline
Newbie
santino  Offline
Newbie
S

Joined: Nov 2014
Posts: 7
Dubai
Its not all about weight, also very important is to make it smaller (underdrive pulley) as there is waste of engine power in rotational speed which is not required, as ferrarist stated above...
I made my pulley from renault engine F4R 8v, 22mm smaller in diameter, works like a charm, even ac is cooling fine...

Re: ergal service pulleys [Re: pippoinzaghi] #1626190
20/10/2018 11:45
20/10/2018 11:45
Joined: Sep 2015
Posts: 44
italy
P
pippoinzaghi Offline OP
Discoverer
pippoinzaghi  Offline OP
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Joined: Sep 2015
Posts: 44
italy
the underdrive pulley is the coupled one near
alternator and A/C ?


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