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Underdrive Pullys 


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Posted: Fri Jun 17, 2005 9:06 pm 
Getting Side Ways

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LSD wrote:
So let me get this straight, you reduce the efficiency of your cooling and electrical systems for what, 3-9 extra kW? Nope, I see no logic in that whatsoever.

but the point is your water pump and ALT might be spinning faster then they really need to be. in that case you'll see a gain with no lose in cooling or charging efficiency.

Also the drive kit would be marketed towards people who race falcons and have no real need for charging or cooling efficiency at idle, as the engine spends all of its time high in the revs.




Posted: Sat Jun 18, 2005 2:44 am 
Fordmods Junkie
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msman wrote:
that bloody baby's fukn scary.

LOL it is hey

worse than chucky!!




Posted: Sat Jun 18, 2005 11:35 am 
Getting Side Ways

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An underdrive pulley on EA-ED I6 Alternators is useful for getting rid of the old belt sqealing syndrome - I had one custom made to be 10mm larger diameter than the original on my ED (ie. not much of an underdrive really) and it ablolutely solved the ongoing belt sqealing issues I'd been having. At 10mm larger, my alternator is still charging fine at idle.



96 EF Auto GLi - Bilstein Shocks - Adjustable Front sway bar - JMM Cam - TI Perf J3 - TCI 2500/3000 stall converter. 2015 Jeep Cherokee Trailhawk.

Posted: Sat Jun 18, 2005 12:32 pm 
Stock as a Rock
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Ive seen that there are some underdrive pullys being designed for the facon 4L atm and it got me interested.

So who's designing them ?



Waiting for tax time and more turbo bits to purchase

Dynosheet 16/04/05

Posted: Sat Jun 18, 2005 4:06 pm 
Getting Side Ways
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BPT, but thats exactly what they are up to... Designing, theres no definate to if they will make them:




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