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304 water pump pulley |
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gremlin1945 
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Joined: May/21/2008 Location: new jersey Status: Offline Points: 781 |
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 Topic: 304 water pump pulleyPosted: Sep/15/2017 at 1:34am |
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I'm assembling the 304 for my '65 wagon and trial fitting everything. The w/p pulley came with the engine when I bought it. I noticed that it only clears the crank pulley by about 1/16 ". Tthe diameter is 6 7/16". Is that the correct pulley?
Sorry for the questions but I haven't assembled an AMC V-8 in about 35 years. 6 cylinders are more familiar to me.
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former NHRA #1945
former IHRA #1945 T/SA |
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304-dude
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Joined: Sep/29/2008 Location: Central Illinoi Status: Offline Points: 9082 |
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Posted: Sep/15/2017 at 4:32am |
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I assume the pulleys align properly, just the distance between crank pulley to water pump pulley seems tight. That is the case for later v8 with extra belts with AC power steering pukley setups.
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71 Javelin SST body
390 69 crank, 70 block & heads NASCAR SB2 rods & pistons 78 Jeep TH400 w/ 2.76 Low 50/50 Ford-AMC Suspension 79 F150 rear & 8.8 axles Ford Racing 3.25 gears & 9" /w Detroit locker |
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White70JavelinSST
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Joined: Aug/08/2012 Location: Minnesota Status: Offline Points: 4866 |
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Posted: Sep/15/2017 at 9:46am |
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Sounds correct to me, I think all V8 crank pulley to pump pulley clearances are similar.
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70 Javelin SST, second owner, purchased 1972
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gremlin1945
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Joined: May/21/2008 Location: new jersey Status: Offline Points: 781 |
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Posted: Sep/15/2017 at 4:41pm |
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Thanks for the info.
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former NHRA #1945
former IHRA #1945 T/SA |
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PHAT69AMX
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Joined: Jul/07/2007 Location: West Virginia Status: Offline Points: 5919 |
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Posted: Sep/18/2017 at 4:20pm |
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Some Pulley Part Number Info:
Notes: *2-1= 80-90 V8 WHDC with 7 BLADE FLEXIBLE FAN *2-9 = Fan Pulley is 3-1/2" wide. On 68 01 (V8) used prior to Car Sequence No. E-054597; On 68 10 (V8) prior to W-060595; On 68 30 used prior to Car Sequence No. E-049017; On 68 70 used prior to Car Sequence No. E-049017; and On 68 80 (V8) prior to W-061846. *2-10 = Fan Pulley is 2-5/16" wide. On 68 01 (V8) used beginning with Car Sequence No. E-054597; On 68 10 (V8) used beginning with W-060595; On 68 30 used beginning with Car Sequence No. E-049017; On 68 70 used beginning with Car Sequence No. E-049017; and On 68 80 (V8) used beginning with W-061846.  Note: at very bottom right, text that got clipped, the column was set to narrow: 322 8285 V8 (WHDC) 80-90 * 2-1 FAN 322 7673 V8 (WHDC) 80-90 w/o FLEX FAN Edited by PHAT69AMX - Sep/18/2017 at 10:21pm |
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gremlin1945
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Joined: May/21/2008 Location: new jersey Status: Offline Points: 781 |
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Posted: Sep/18/2017 at 5:53pm |
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I have:
#321-6631 Fan pulley 1974 Jeep (LHDC) #322-8284 Crank pulley 1976 Jeep (WHDC) 80-90 ( I guess that's 80 and 90 series Jeeps?) Thanks for the info.
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former NHRA #1945
former IHRA #1945 T/SA |
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PHAT69AMX
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Joined: Jul/07/2007 Location: West Virginia Status: Offline Points: 5919 |
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Posted: Sep/18/2017 at 10:09pm |
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Added "Notes" to previous post. Yes, iirc, 80-90 means which series of Jeep. It's been maybe 10 years since I made that chart.
LHDC = Less Heavy Duty Cooling and WHDC = With Heavy Duty Cooling Unaware what compatibility issues may exist if / when mixing LHDC and WHDC Pulleys.... Edited by PHAT69AMX - Sep/18/2017 at 10:13pm |
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