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Denso 120 amp 2 groove pulley
#1262068
07/05/12 11:23 AM
07/05/12 11:23 AM
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Joined: Mar 2005
Posts: 322
Itasca, Texas
Mad_Scientist
OP
enthusiast
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OP
enthusiast
Joined: Mar 2005
Posts: 322
Itasca, Texas
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I'm looking for the Denso 120 amp alternator with a 2 groove pulley. I called Mancini Racing and the tech stated that all of their Denso's come with a single groove pulley. He stated that my stock pulley would not bolt on.
I have seen the Denso alternator with a 2 groove pulley in the past. Where can I get this? I will also need the correct bracket to go with the alternator.
I appreciate any help you can give me.
69 Super Bee 440 5-speed
70 Dart Swinger 340 4-speed
69 Camaro SS 396 4-speed
66 Cutlass Convertilbe
70 Judge Ram Air III 4-speed
68 F-100 SWB
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Re: Denso 120 amp 2 groove pulley
[Re: Mad_Scientist]
#1262070
07/05/12 03:19 PM
07/05/12 03:19 PM
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Joined: Jan 2003
Posts: 28,068
Irving, TX
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Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,068
Irving, TX
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They're used on pre-Magnum EFI 318 and 360 engines.
Look for 88 to 93 truck and van applications.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
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Re: Denso 120 amp 2 groove pulley
[Re: feets]
#1262071
07/05/12 04:15 PM
07/05/12 04:15 PM
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Joined: Mar 2005
Posts: 322
Itasca, Texas
Mad_Scientist
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OP
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Joined: Mar 2005
Posts: 322
Itasca, Texas
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Thanks for the info guys! I found one. It says the case size is 5-3/8. Now I just need to order the bracket, but I'm not sure if I should order the 60 amp bracket or the 120 amp bracket to fit this size case.  ACDELCO Part # 3351176 {#88877386} NEW UNIT GENERATOR 137MM (5-3/8IN) DIA CASE; ND-IF 120AMP
69 Super Bee 440 5-speed
70 Dart Swinger 340 4-speed
69 Camaro SS 396 4-speed
66 Cutlass Convertilbe
70 Judge Ram Air III 4-speed
68 F-100 SWB
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Re: Denso 120 amp 2 groove pulley
[Re: Mad_Scientist]
#1262072
07/05/12 05:02 PM
07/05/12 05:02 PM
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Joined: Jan 2003
Posts: 28,068
Irving, TX
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Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,068
Irving, TX
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Mine hit the cylinder head when I installed it in the factory location. I had to do some creative mounting of bits to get things aligned.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
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Re: Denso 120 amp 2 groove pulley
[Re: feets]
#1262073
07/05/12 05:11 PM
07/05/12 05:11 PM
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Joined: Mar 2005
Posts: 322
Itasca, Texas
Mad_Scientist
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enthusiast
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OP
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Joined: Mar 2005
Posts: 322
Itasca, Texas
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Was that with AndyF's bracket? I read that you might have to grind down the stud on the alternator or do something to the plastic cover on the back, is that what was hitting?
69 Super Bee 440 5-speed
70 Dart Swinger 340 4-speed
69 Camaro SS 396 4-speed
66 Cutlass Convertilbe
70 Judge Ram Air III 4-speed
68 F-100 SWB
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Re: Denso 120 amp 2 groove pulley
[Re: Mad_Scientist]
#1262074
07/05/12 05:15 PM
07/05/12 05:15 PM
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Joined: Jan 2003
Posts: 28,068
Irving, TX
feets
Senior Management
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Senior Management
Joined: Jan 2003
Posts: 28,068
Irving, TX
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I haven't used Andy's bracket. I fabbed something to align it with the crank pulley on the hot rod. The crank pulley was spaced a bit by the crank trigger.
When I tried stuffing one on the Imperial it hit the cylinder head again. Not wanting to jack with everything on the Imperial, I grabbed a standard alternator and installed it.
We are brothers and sisters doing time on the planet for better or worse. I'll take the better, if you don't mind.
- Stu Harmon
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