underdrive and engine balance

thewayshemoves · December 1st, 2006, 06:31 AM

i read someowhere that putting underdrive pulleys on a vehical can mess some shit up because somehow it can throw the engine timing off, and mess the balance up...is that possible with our cars? The thing I read was just in general, and I wasn't sure about what cars that would happen on?

WAR-PARTY · December 2nd, 2006, 05:10 PM

What you read was horse shit. Get a Chiltoms Manual at Advance Auto, and it will help you to understand how the engine timing works, in a 4.6

thewayshemoves · December 3rd, 2006, 02:18 AM

thank you...I think I read that on wikipedia actually

SWEET2KSTANG · December 3rd, 2006, 02:37 AM

the 'problems' that people were complaining about is the charging system. my stock system was crap!!! when the car was at 5k rpms and above the lights would dim and the battery light flashed. the volts never dropped but what ever. i got the steeda kit and not a damn problem! voltage is fine, no more flashing battery light, lights dont dim, and gave me a little power.

matrixpuba · December 3rd, 2006, 09:57 AM

on the 4.6 engine, if you switch to an underdrive pulley that does not have the balanced part of the pulley(piggie back style) it could cause bad vibrations and cause problems with the crankshaft. thats why most people run saleen, steeda ect.

tlgrant · December 3rd, 2006, 12:11 PM

Matrix, im lookin for a set of pulleys right now could you explain to me the "piggyback" style verses the other style? i see that everywhere but cant quite tell the differnce by lookin at the two pictures thanks

thewayshemoves · December 3rd, 2006, 12:13 PM

yeah, thats what I want to know also...

matrixpuba · December 3rd, 2006, 01:50 PM

piggie back like the bbk pulleys bold onto the stock balancer. you do not want this. you want a set that has the crank pulley and harmonic balancer all one piece. i had steeda on mine an had no problems.

December 2nd, 2006, 05:10 PM	#2
WAR-PARTY Hardcore Enthusiast 2001 YUGO GT Join Date: Aug 2006 Location: GOAT LOCKER PENSACOLA FL Posts: 1,700 Blog Entries: 1 iTrader: 0 reviews	What you read was horse shit. Get a Chiltoms Manual at Advance Auto, and it will help you to understand how the engine timing works, in a 4.6 __________________ How I met my wife! Our first date...

December 3rd, 2006, 02:37 AM	#4
SWEET2KSTANG mm's nitrous mod 2000 mustang gt 11.79@115.83 (old set up) Join Date: Oct 2006 Location: N.W. AR Posts: 12,541 iTrader: 8 reviews	the 'problems' that people were complaining about is the charging system. my stock system was crap!!! when the car was at 5k rpms and above the lights would dim and the battery light flashed. the volts never dropped but what ever. i got the steeda kit and not a damn problem! voltage is fine, no more flashing battery light, lights dont dim, and gave me a little power. __________________ project warhorse under construction wagon burner under construction as well (04 lightning) being built by MP2 Performance

December 3rd, 2006, 09:57 AM	#5
matrixpuba Hardcore Enthusiast Join Date: Sep 2006 Location: tennessee Posts: 2,364 iTrader: 0 reviews	on the 4.6 engine, if you switch to an underdrive pulley that does not have the balanced part of the pulley(piggie back style) it could cause bad vibrations and cause problems with the crankshaft. thats why most people run saleen, steeda ect. __________________

December 3rd, 2006, 12:11 PM	#6
tlgrant Regular Join Date: Aug 2006 Posts: 317 iTrader: 0 reviews	Matrix, im lookin for a set of pulleys right now could you explain to me the "piggyback" style verses the other style? i see that everywhere but cant quite tell the differnce by lookin at the two pictures thanks __________________ 96 GT , cams,intake manifold,CAI,Exhaust,Full Hotchkis suspension, and many more

December 3rd, 2006, 01:50 PM	#8
matrixpuba Hardcore Enthusiast Join Date: Sep 2006 Location: tennessee Posts: 2,364 iTrader: 0 reviews	piggie back like the bbk pulleys bold onto the stock balancer. you do not want this. you want a set that has the crank pulley and harmonic balancer all one piece. i had steeda on mine an had no problems. __________________

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