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Old 11-22-2020, 02:52 PM   #1
Flameffects

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P7100 Pump timing issue

I recently bought myself a dial indicator to time my 12 valve. Its all goes smoothly until I break the gear free and the pump jumps back about .090 very time. Any one have a trick or suggestion?
 
Old 11-22-2020, 05:07 PM   #2
Smokem
 
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Only torque the gear to 25ft/lbs when turning the engine over to reach the desired plunger lift, then when you need to remove the gear to rotate the engine to TDC it will have less tendency to jump.
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Old 11-22-2020, 08:53 PM   #3
Snedge
 
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We welded two nuts together, then use a bolt through the nuts to turn/hold the pump. When you have it where you want it, tighten the nut to the pump.
 
Old 02-06-2021, 11:22 PM   #4
odieub
 
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What Snedge said.
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95 1500 rc sb 2wd p7100 24v auto, ats 5 star, suncoast kit, dtt billit input, sperico, fun tire eater. In pieces
95 2500 2wd rclb nv5600 500k 5x.012 ddp 887 pump, #11 plate hx35/40-14cm
16 3500 4wd aisin cclb dually flatbed, toy hauler
 
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