Antvauxhall
Member
Registered: 30th Apr 08
User status: Offline
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as above.....  
Thanks
Ant
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DAZ1985
Member
Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
User status: Offline
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Imo no
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broster
Premium Member
Registered: 6th Dec 02
Location: Drives: E39
User status: Offline
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on a high reving engine or one thats been balanced properly then yes, but you would want the pullies all balancing.
they do look nice tho
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fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
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unsure.
flywheel will make quite a difference though
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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quote:
Originally posted by DAZ1985
Imo no
Ditto. The pullies are so small that I'd have thought they wouldn't even need balancing, even it it was a high revving engine, tbh.
As broster kind of said, I'd have thought it was more for looks. I've got an alloy bottom pulley from Chris Astely - the only reason I got it was because it doesn't have the daft rubber insert the standard ones have. and it's a plus point that it comes able to be fitted with allen key bolts.
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fazza
Member
Registered: 7th Feb 08
Location: Plymouth
User status: Offline
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surely it needs to be balanced, even on idle its spinning at say 800times aminute.
if that aint balanced properly its not going to do any favours to your engine?
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john_c20xe
Member
Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
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well im guessing its going to be balanced from the factory or who ever makes them the same as the standard pulley, otherwize it will eventually break up
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Antvauxhall
Member
Registered: 30th Apr 08
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yer am sure they will be balanced at factory, but they seem to sell quite well and just seeing if any of u guys have them and do u notice or think theres much difference....for 60-70 quid they should make a slight difference... u not think??
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john_c20xe
Member
Registered: 10th Feb 08
Location: Eastbourne, EastSussex
User status: Offline
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im guessing if they are smaller they will make the alternator spin faster? is that not a bad thing?
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Antvauxhall
Member
Registered: 30th Apr 08
User status: Offline
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it could be but y would they sell these if they wernt much use, or if they would make the engine fuk up?
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DAZ1985
Member
Registered: 3rd Sep 06
Location: Scholar Green, Cheshire
User status: Offline
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They'd be balanced to a degree anyway. Done on a cnc out of billet they wont be far off. They do a type called underdrive which spins the alternator faster or slower cant remember off the top of my head. Thier is no gain its just a bolt on alloy replacement for the steel one. As broster said about the high rpm and balancing makes sense. Same sinario as balancing your wheels. The faster you go the worse its gets if not balanced. Its erm common sense. Ill stand corrected if im wrong though
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Antvauxhall
Member
Registered: 30th Apr 08
User status: Offline
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ino about balancing up and shit mate, i aint no retard lol,
so we decided that there is no need to buy this??...its just for bit of bling?
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alan-g-w
Member
Registered: 9th Nov 07
Location: Glasgow
User status: Offline
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I'd say the car would feel exactly the same to drive with them on compared to standards if that's what you're wondering.
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Antvauxhall
Member
Registered: 30th Apr 08
User status: Offline
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ok thanx for the help 
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