[Vwdiesel] Injection timing of Old Volks #5 --- ( Adjustments on pump )
H .Hagar
h_hagar at prcn.org
Mon Sep 29 19:40:04 EDT 2003
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As promised in # 4. So you are scared shirtless -- the pump is too compli=
cated , you say --good -- then the reward at the end is sooo much sweeter.
Firstly the saying "timing the pump" is a bad saying.(About that some other=
time) we are timing pump to engine.
How many things can we adjust. ??? here are some of them, 1. Idling spe=
ed (most common) 2 Max throttle 3. Cold start lever. 5. Fueling screw=
(turn 1/4 turn at the time) is touchy. 6. Governor (sets Max RPM no load) =
7=2E Timing piston (change shims) 8. Fuel regulator (done by adjusting spr=
ing pressure on piston). Note Governor screw and lock-out has left hand t=
hread. 9. And the biggie the slotted holes on pump mountings.We turn the pu=
mp --a pencil line move makes a difference. (more on that some other time. =
Every thing I say I have done --- but all this applies to BOSCH VE pu=
mp 068 130 107 xxx This is VW number. we can go by bosch number as well. =
The rabbits here are happy as anything and all gave up smoking.
Hagar.
PS: I did the 130 109 pumps as well ( on the 1.6L turbo. )
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