Pulley

>135I · 05-22-2009, 03:28 AM

So I was talking to a friend of mine today who owns a 300ZX, this guy has been a mechanic since he can remember. Well I was talking to him about purchasing a light weight pulley. He told me unless I plan on re-balancing the crank pulley its not a good idea because it will eventually cause damage to the engine. Does anyone know this to be true or is he off??
Thanks in advance..

CBRich · 05-22-2009, 08:43 AM

This has always been a hot topic with the pulley thing. But really take a look at the pulley on the car right now. To say the least it is obviously not the most precision piece.

semtex · 05-22-2009, 10:57 AM

This issue has already been discussed extensively. Please review this thread: STILLEN lightweight crank pulley The discussion on harmonics begins on page 3, I believe.

>135I · 05-22-2009, 04:04 PM

Damn Semtex you are all over my posts. Thank you again..

semtex · 05-22-2009, 04:06 PM

Just trying to be helpful.

05-22-2009, 03:28 AM	#1 (permalink)
>135I Enthusiast Member Join Date: Apr 2009 Location: Radcliff, KY Age: 41 Posts: 409 Drives: 2003 Cobra Rep Power: 16	Pulley So I was talking to a friend of mine today who owns a 300ZX, this guy has been a mechanic since he can remember. Well I was talking to him about purchasing a light weight pulley. He told me unless I plan on re-balancing the crank pulley its not a good idea because it will eventually cause damage to the engine. Does anyone know this to be true or is he off?? Thanks in advance.. __________________ I will miss my Z. I hope she goes to a good home.

05-22-2009, 10:57 AM	#3 (permalink)
semtex A True Z Fanatic Join Date: Jan 2009 Location: Behind enemy lines Age: 53 Posts: 5,995 Drives: People to drink Rep Power: 32	This issue has already been discussed extensively. Please review this thread: STILLEN lightweight crank pulley The discussion on harmonics begins on page 3, I believe. __________________ "There are no small accidents on this circuit." -- Ayrton Senna 316.8whp & 248 ft/lbs (Dyno Dynamics) \| 319whp & 256 ft/lbs (DynoJet) (04/23/10) Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf.

05-22-2009, 04:04 PM	#4 (permalink)
>135I Enthusiast Member Join Date: Apr 2009 Location: Radcliff, KY Age: 41 Posts: 409 Drives: 2003 Cobra Rep Power: 16	Damn Semtex you are all over my posts. Thank you again.. __________________ I will miss my Z. I hope she goes to a good home.

05-22-2009, 04:06 PM	#5 (permalink)
semtex A True Z Fanatic Join Date: Jan 2009 Location: Behind enemy lines Age: 53 Posts: 5,995 Drives: People to drink Rep Power: 32	Just trying to be helpful. __________________ "There are no small accidents on this circuit." -- Ayrton Senna 316.8whp & 248 ft/lbs (Dyno Dynamics) \| 319whp & 256 ft/lbs (DynoJet) (04/23/10) Stillen G3 CAI, CBE, Pulley / F.I. LTH / GTSpec Ladder Brace / Setrab Oil Cooler / UpRev-tuned by Forged Perf.

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05-22-2009, 08:43 AM	#2 (permalink)
CBRich A True Z Fanatic Join Date: Apr 2009 Location: SC Posts: 2,464 Drives: 370Z Rep Power: 544	This has always been a hot topic with the pulley thing. But really take a look at the pulley on the car right now. To say the least it is obviously not the most precision piece.