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redminch Offline
#1 Posted : Wednesday, 21 April 2010 8:39:06 PM(UTC)
redminch

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GDay All
I have just pulled the valve gear off a Black head that has been in the shed for a bit. It has shims (washers) of varying thickness under each pair. Why are these there?
And will I need to use them if I put it (the head) on a Blue motor.
I have some ideas why they are there but would like to hear from someone who knows for sure.
I have the EFI system to sell as well.
Wanted FJ Panel van
HK1837 Offline
#2 Posted : Thursday, 22 April 2010 12:21:09 AM(UTC)
HK1837

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Probably due to a reground cam, longer pushrods or other similar factors. Possibly the rocker bridges were ground down in the past for such reasons and a new standard base circle cam has been put in?

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If we all had the same (good) taste, who would buy all the Fords?
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If we all had the same (good) taste, who would buy all the Fords?
Davesmonaro68 Offline
#3 Posted : Thursday, 22 April 2010 6:57:02 PM(UTC)
Davesmonaro68

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most likely had the head shaved resulting in to much preload on lifters if shims arent used.

MONARO!!WHERE!!NICE
MONARO!!WHERE!!NICE
adam PERTH Offline
#4 Posted : Thursday, 22 April 2010 10:01:07 PM(UTC)
adam PERTH

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i have had to do this before to make sure the valves close fully after taking alot off the head.

WANTED:
-2 14 x 9.25 CSA style Centrelines.
-2 x 15 x 8 Dragway centrelines
Old holdens brought on the spot, quick decision, cash paid.
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