LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

what is this?

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Old Apr 21, 2010 | 08:53 PM
  #1  
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what is this?

the plastic piece that hold the gear that rides on the cam in place? i think its for the oil pump.... i dont know how to put pics on the comp or i would show you...if you have a cell phone i can text a pic of it to you...its making me [edit] crazy thinking about

Last edited by Injuneer; Apr 21, 2010 at 10:26 PM. Reason: Do not test the language filter
Old Apr 21, 2010 | 09:14 PM
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Oil pump stub drive gear.
Old Apr 21, 2010 | 09:33 PM
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Originally Posted by RamAir95TA
Oil pump stub drive gear.
ok thank you RamAir! where can i get a new plastic piece for it?
Old Apr 21, 2010 | 09:43 PM
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Originally Posted by z28beast
ok thank you RamAir! where can i get a new plastic piece for it?
I think there is one or two vendors who sell a billet aluminum replacement (which is quite pricey from what I remember) or an OEM drive from the dealer.
Old Apr 21, 2010 | 10:00 PM
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Originally Posted by RamAir95TA
I think there is one or two vendors who sell a billet aluminum replacement (which is quite pricey from what I remember) or an OEM drive from the dealer.
i hear that they break all the time! what is the purpose of it? if i get an oem replacement one will it break when i install my cc 305 and hp oil pump?
Old Apr 21, 2010 | 10:02 PM
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Originally Posted by z28beast
i hear that they break all the time! what is the purpose of it? if i get an oem replacement one will it break when i install my cc 305 and hp oil pump?
The gear on the back of the cam spins the stub drive which engages the oil pump drive shaft which turns the oil pump.

Usually it's the plastic coupler on the drive shaft that breaks, not so much the gear (although some people have reported them breaking/stripping). For what it's worth, I'm using my OEM stock drive on my 7000 RPM 383 that made 455whp/445tq on the dyno today (with a high-volume high-pressure pump, thread below).
Old Apr 21, 2010 | 10:05 PM
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Originally Posted by RamAir95TA
The gear on the back of the cam spins the stub drive which engages the oil pump drive shaft which turns the oil pump.

Usually it's the plastic coupler on the drive shaft that breaks, not so much the gear (although some people have reported them breaking/stripping). For what it's worth, I'm using my OEM stock drive on my 7000 RPM 383 that made 455whp/445tq on the dyno today (with a high-volume high-pressure pump, thread below).
ok well i just get a replacement one since my plastic is cracked...do you remebr how much for an oem one?
Old Apr 22, 2010 | 07:11 AM
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Originally Posted by z28beast
ok well i just get a replacement one since my plastic is cracked...do you remebr how much for an oem one?
GM PART # 1103868
GM LIST: $78.57
Wholesale PRICE: $46.58

Old Apr 24, 2010 | 10:37 PM
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Originally Posted by shoebox
GM PART # 1103868
GM LIST: $78.57
Wholesale PRICE: $46.58

ok so is this what i need to order?

http://www.gmpartsdirect.com/results.cfm
Old Apr 24, 2010 | 10:51 PM
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Originally Posted by z28beast
ok so is this what i need to order?

http://www.gmpartsdirect.com/results.cfm
that link does not work, rob posted the part number for you with the diagram
Old Apr 27, 2010 | 04:15 PM
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Originally Posted by dangalla
that link does not work, rob posted the part number for you with the diagram
ok so i tried ordering that part off gm parts direct.com but it said that the address listed was different than the one on my card....so i said screw it...however when i checked my balance those bastards charged me for it! wtf do i do?
Old Apr 27, 2010 | 04:40 PM
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Originally Posted by z28beast
ok so i tried ordering that part off gm parts direct.com but it said that the address listed was different than the one on my card....so i said screw it...however when i checked my balance those bastards charged me for it! wtf do i do?
Uh, call them?
Old Apr 27, 2010 | 05:34 PM
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Originally Posted by RamAir95TA
Uh, call them?
dude Ive been searching the **** outta there site...the only way to contact them is through email! and i sent them 2
Old Apr 27, 2010 | 06:09 PM
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Flow Chevrolet, in Winston Salem NC, runs that site. Just call the Flow Chevy parts department and ask them for the number of internet sales. That should get you somebody(it did me). I have actually driven over there to pickup some of my parts I ordered from them(10 miles from my house).
Old Apr 27, 2010 | 06:50 PM
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Originally Posted by ACE1252
Flow Chevrolet, in Winston Salem NC, runs that site. Just call the Flow Chevy parts department and ask them for the number of internet sales. That should get you somebody(it did me). I have actually driven over there to pickup some of my parts I ordered from them(10 miles from my house).
ok buddy thanks



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