View Poll Results: Stock or Aftermarket? AND WHY
Stock
6
30.00%
Aftermarket. ATI, SLP.. who and why
14
70.00%
Voters: 20. You may not vote on this poll
OEM Crank pulley VS Aftermarket
#1
OEM Crank pulley VS Aftermarket
In the process of building a 418ci L92 (going in a truck) and has come to the point where im told I need to get a new crank pulley to go with all the other new shiny nice parts..
After researching here and other places and getting opinions from several people it seems from what I've found (which could be wrong) that most people are running the stocker and if not the stocker the SLP seems to be more common than the ATI..
So when I brought up that fact that I may not need one, the stocker might be just fine to the engine builder(s) (friend/family) I was told I was cheaping out now and why would I cheap out now if I haven't the rest of the motor and how the stock one may not hold the power... and just because it was read "on the internet" doesn't mean its true.. I cant see to get a straight answer..
So I want to know what everyone is running on their built. or stock motors and why..
Stock?
Aftermarket?
What you're running and why you're running it would be very helpful..
I don't mind getting the part, just don't want to spend it.. if I don't have to..
After researching here and other places and getting opinions from several people it seems from what I've found (which could be wrong) that most people are running the stocker and if not the stocker the SLP seems to be more common than the ATI..
So when I brought up that fact that I may not need one, the stocker might be just fine to the engine builder(s) (friend/family) I was told I was cheaping out now and why would I cheap out now if I haven't the rest of the motor and how the stock one may not hold the power... and just because it was read "on the internet" doesn't mean its true.. I cant see to get a straight answer..
So I want to know what everyone is running on their built. or stock motors and why..
Stock?
Aftermarket?
What you're running and why you're running it would be very helpful..
I don't mind getting the part, just don't want to spend it.. if I don't have to..
#3
TECH Fanatic
iTrader: (5)
A stock crank pulley "may not hold the power"? I'd suggest not taking advice from people who believe that makes sense.
I have a Powerbond on my car, just because I wanted to go "max effort" on all stock internals and see what sort of power my car would make before I started internal surgery. Aftermarket underdrive pulleys aren't inordinately expensive, allow the engine to spin up a tiny bit faster due to less rotating mass that has to be driven, and allows a bit more efficient power transfer, again because of the lower rotating mass.
A stock crank pulley would work perfectly fine, but if you want a little bit more power, an underdrive pulley is a relatively inexpensive way to get it.
I have a Powerbond on my car, just because I wanted to go "max effort" on all stock internals and see what sort of power my car would make before I started internal surgery. Aftermarket underdrive pulleys aren't inordinately expensive, allow the engine to spin up a tiny bit faster due to less rotating mass that has to be driven, and allows a bit more efficient power transfer, again because of the lower rotating mass.
A stock crank pulley would work perfectly fine, but if you want a little bit more power, an underdrive pulley is a relatively inexpensive way to get it.
#4
LS1Tech Premium Sponsor
iTrader: (2)
We have built many motors using various different pullies, I would say that that most common (around here anyway) would be either stock, our brand, or powerbond. Definitely worth the gains to upgrade in my opinion.
OP, what accessories are you using with your swap?
OP, what accessories are you using with your swap?
__________________
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COMP - FAST - PACESETTER - WISECO PISTONS - LUNATI - CALLIES - NEW TSP BRAND CRANK & RODS - COMETIC GASKETS
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POWERBOND - ASP - PRECISION INDUSTRIES - YANK - CIRCLE D - AND MORE!
NEW NUMBER (512)863-0900
#7
TECH Senior Member
iTrader: (35)
IMO not necessary, but if you're going to get one your first priority should be a better than stock dampener, any power gain secondary. Myself I like the Fluidampr it has no parts to wear out and it does a better job then the stock pulley, the ATI is nice, supposedly better above 6k, and is fully rebuildable.
Last edited by 99Bluz28; 10-22-2012 at 04:58 PM.
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#8
LS1Tech Premium Sponsor
iTrader: (2)
http://www.texas-speed.com/c-211-pulleys.aspx
We have run several underdrive pulleys on stroked application without issue!
__________________
NOW OFFERING TSP BY YANK CONVERTERS
COMP - FAST - PACESETTER - WISECO PISTONS - LUNATI - CALLIES - NEW TSP BRAND CRANK & RODS - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - ARH HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - PRECISION INDUSTRIES - YANK - CIRCLE D - AND MORE!
COMP - FAST - PACESETTER - WISECO PISTONS - LUNATI - CALLIES - NEW TSP BRAND CRANK & RODS - COMETIC GASKETS
RAM CLUTCHES - MOSER ENGINEERING - ARH HEADERS - ARP - GM BOLTS AND GASKETS - MSD - NGK
POWERBOND - ASP - PRECISION INDUSTRIES - YANK - CIRCLE D - AND MORE!
NEW NUMBER (512)863-0900
#14
The Scammer Hammer
iTrader: (49)
ATI if you can afford it and you go over 6500 on a frequent basis. A lot of guys have had issues in the past with the ASP's throwing the belt. I myself have a powerbond and like it. Motor does rev slightly faster, and it hasn't affected my battery charging at all that I can tell.
#15
TECH Fanatic
iTrader: (7)
One of my friends runs a stock balancer, with the AC pulley machined off to where the only belt ribs are the main drive on it...has ran it for years with his nitrous motor and now with a 1000rwhp+ turbo setup...car ran 8.92 at 159.6mph earlier in the year on about 860rwhp...looking to go faster now that it has a boost controller and more power!