[Vwdiesel] Injection Pumps Bosch ----- ( good news for OLD Volks )

H .Hagar h_hagar at prcn.org
Thu Sep 4 12:13:23 EDT 2003


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The pumps  ???    1.5L NA  1.6L   NA    1.6L turbo     --- 4 cylinder.
It took me a lot of time to get the spec.'s for internal pressure. If one o=
f you can verify that these are the numbers please let us know. At issue is=
 the timing system. It takes a lot of force to overcome Torque and friction=
 of roller assembly in housing. Besides the return-spring is one stiff cust=
omer. I shall test spring some other time. Piston is about 2 cm ( about 1 "=
 ) in diameter.     Here are the figures :     at 500 rpm    2.4 to 3 Bar  =
     at  750 rpm   3.5 to 4.1 Bar     at 1000 rpm  4.6 to 5.2  Bar.       S=
o now we can test those delightful little masterpieces of German engineerin=
g=2E.

I have a special test banjo  and  1.5 inch gauge that I am willing to let o=
thers use according to some rules. The test-gauges do turbo boost and pump =
pressure while driving. Mounts just in front of windshield. In gap between =
hood and body.    Can also tell you how to make the banjo.                 =
                           Hagar
PS: I understand the rpm to be pump , remember 2 to 1 ratio..
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