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#1
07-05-2010, 06:24 PM
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water pump pulley
What can I use to shim my wp pulley out about a 1/2"?
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Conrad 79 Trans AM 406 #12 heads Torker II intake Crower 60210 750 holley vac. sec. T400 3500 Stall 3:73:1 rear.  ECMTTFMFers. IHTTFMFers.
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#2
07-05-2010, 06:39 PM
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I've used fan spacers behind the pulley in the past. I don't know if they are offered in 1/2" but it's worth a try to look since they always seemed to work well.
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68 GTO,3860# Stock Original 400/M-20 Muncie,3.55’s 13.86 @ 100 Old combo: 462 10.75 CR,,SD 330CFM Round Port E's,Old Faithful cam,Jim Hand Continental,3.42's. 1968 Pontiac GTO : 11.114 @ 120.130 MPH New combo: 517 MR-1,10.8 CR,SD 350CFM E's,QFT 950/Northwind,246/252 HR,9.5” 4000 stall,3.42's 636HP/654TQ 1.452 10.603 @ 125.09 http://www.dragtimes.com/Pontiac-GTO...lip-31594.html |
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#3
07-05-2010, 06:57 PM
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I may end having to do the same thing. Luckily, I work in a machine shop. If I can dig up a piece of stock, I want to turn one out of aluminum.
I am trying to adapt a 70 and up water pump pulley onto my 8 bolt pump setup. Since I can't seem to find the "correct" pulley to speed up the fan. Dave
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'68 Bird Vert, 455 , 6x-8, 1.5 HS, HEI, PPR TC-02-HF, TH400, 2500 Hughes, 2.56 8.2 (getting swapped for second gen with shorter gears) Fishing guide in the Washington state for Salmon, Steelhead and Sturgeon. Fish-On! |
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#4
07-05-2010, 09:25 PM
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Water pump pulley spacers should be available at your local auto parts store.
Jim
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65 Catalina sedan. Allen Thomas Performance 495. KRE Heads at 310cfm ported by SD Performance, ProSystems Dominator carb on ported Victor intake, P-Dude custom grind hydraulic roller, MSD ignition, 3.50 Moser/Ford rear. F-Glass front bumper by son Rob, rear by the old man and joint effort for trunk lid. 3950# w/driver. Best of 9.5761/139 on 175 shot, 6.01 /114 in 1/8. |
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#5
07-05-2010, 10:13 PM
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a single spacer 1/2 inch thick is much much better than several of those stacked shims. better yet is the correct combination of hub, pulleys and accessories
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