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Thread: Water pump help

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  1. #1
    I don't think the cover thickness varies with or without the dipstick. They put the dipstick in the front if you had a front sump pan and in the block or pan if a rear sump (fox body car). The balancer always wants to tighten to the stop (the step) on the crank, the cover has no bearing on this. The thickness variations are all on the parts external.

    It's good to know the Exploder had the shortest of them all. Will be worth scouting next time in the Pick-n-Pull.

    Now if I could only figure out a serpentine system for a 200-6.
    Roger Moore

    63 "Flarechero"
    powered by: 347ci stroker | Tremec T5 | 8" 3:45 TracLoc rear



  2. #2
    Join Date
    Aug 2009
    Location
    Sequim
    Posts
    2,117
    I think my problem lies with the pump. The later model reverse rotation ones are 5.75" and the early standard rotation are 5.5" Amazing what a 1/4 inch means??? (insert your own nasty comment here)

  3. #3
    There is a difference in pump length for the pre-68 and post-68 pumps. When Ford changed to the four bolt damper the pump length changed. I'm pretty sure that the reverse rotation pump is the same overall length as the post-68 pump (water inlet on drivers side).

    If you have a four bolt damper and a reverse rotation pump, you should be set. You would just need the right pulleys. I would look at your pulleys if it's not lining up. You may need a spacer behind the crank pulley. Call the vendor that makes your pulley set to make sure you have the right stuff.
    Patrick Brown
    331 Stroker / T5 / 8" / Wilwood Disks / RRS R&P Steering / Megasquirt EFI


  4. #4
    Join Date
    Apr 2012
    Location
    Bonney Lake
    Posts
    19
    The 4 bolt damper on the later engines sits out 1/4" farther to line up with the water pumps that use the drivers side outlet. on the early engines that have the 3 bolt damper they use a shorter water pump with the passenger outlet. You can mix and match but will need a conversion pulley that both CRF and March make. What set up are you trying to use? And the timing cover will not change this.

  5. #5
    Quote Originally Posted by Luva65wagon View Post
    It's good to know the Exploder had the shortest of them all. Will be worth scouting next time in the Pick-n-Pull.
    The Explorer setup was also used on the 94-95 5.0 Mustang. The pump sits inside the match timing cover. There is no pump backing plate. There is no fuel pump boss and the eccentric won't fit.
    Patrick Brown
    331 Stroker / T5 / 8" / Wilwood Disks / RRS R&P Steering / Megasquirt EFI


  6. #6
    Pbrown said: The Explorer setup was also used on the 94-95 5.0 Mustang. The pump sits inside the match timing cover. There is no pump backing plate. There is no fuel pump boss and the eccentric won't fit.
    That too is good to know.

    When I swapped the motor from a 79 LTD station wagon (actually the entire chassis) I retained the serpentine system which had the reverse pump. So I know it went way back to the 70's.

    I don't know how many water pump heights there are - but I have to believe there are more than just one on the reverse pump.

    Steve - just take a drive to your parts house and have him start pulling them off the shelf. See what height variations you see.
    Roger Moore

    63 "Flarechero"
    powered by: 347ci stroker | Tremec T5 | 8" 3:45 TracLoc rear



  7. #7
    Quote Originally Posted by Luva65wagon View Post
    Steve - just take a drive to your parts house and have him start pulling them off the shelf. See what height variations you see.
    Ahhh. Yes, torture the counter staff. I love going in there.

    {STEVE} "Say there, I need a water pump"

    {COUNTER GUY} "Sure... What year make and model?"

    {STEVE} - Start singing a certain Johny Cash song.

    Patrick Brown
    331 Stroker / T5 / 8" / Wilwood Disks / RRS R&P Steering / Megasquirt EFI


  8. #8
    There was a time, I know, you could do this. I know, I'm still old fashioned that way. Back when we had ... BOOKS.
    Roger Moore

    63 "Flarechero"
    powered by: 347ci stroker | Tremec T5 | 8" 3:45 TracLoc rear



  9. #9
    Also, I worked 3 years as a parts guy right out of high school. We could find ANYTHING you needed. And were happy to do so. Most guys today look at you and say, "it doesn't show anything on my computer screen."
    Roger Moore

    63 "Flarechero"
    powered by: 347ci stroker | Tremec T5 | 8" 3:45 TracLoc rear



  10. #10
    Join Date
    Aug 2009
    Location
    Sequim
    Posts
    2,117
    I hear you. I had them pull several off the shelf and the old years are shorter and all the later ones were longer.
    I have been told to space out the crank pulley and so forth but that puts me about 3/4" away from the radiator with the fan.
    I will have to stare at it some more tonight.

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