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 Post subject: shims
Posted: Sat Mar 26, 2005 3:53 pm 
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Hi guys, my have i got a story for yas all...

I got a 1604 regrind camshaft and chucked her in without changing the shims!!! :shock: i have recently had to buy a lifter seal kit coz it wont stop ticking.. now before i put these seals on i need to know what size shims to put in and how much do u reckon i have been lacking in power etc?

i know i should had read more b4 i just went ahead and put her in

 

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Posted: Sat Mar 26, 2005 4:41 pm 
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Shims are all one size if you bye them from ford . you will proberly need to put 2 shims in each lifter but take off your rocker cover, run your engine put your hand on the top of each rocker , if the lifter becomes noisier then that one will need an other shim, go through the others you will find that all will need another shim . 6 x 2 = 12 shims . good luck.

 

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Posted: Sat Mar 26, 2005 4:53 pm 
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i thank you very much its so good to jump on here and speak to people who know whats goin on... not to much oil will spray out if i run the motor with out the cover on it will it?

 

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Posted: Sat Mar 26, 2005 5:18 pm 
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That's what I was wondering.

The rocker gear already have one shim in them, your best bet is to ask Wade if you'll need an extra one or two in there (I.E. two or three total).

 

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Posted: Sat Mar 26, 2005 5:29 pm 
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they cant be worth to much can they?

 

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Posted: Sat Mar 26, 2005 5:42 pm 
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Youd be suprised!
Ford will probably ask about $60 for the 12.

 

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Posted: Sat Mar 26, 2005 5:49 pm 
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ahh spewin.. ill prolly just get em from coventrys.. i get a better price that way

 

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Posted: Sat Mar 26, 2005 7:08 pm 
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voxace wrote:
Youd be suprised!
Ford will probably ask about $60 for the 12.



last ones i got from ford cost 20 for the set of 12.
and because there was only one left they gave it to me just incase i lost one

 

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Posted: Sun Mar 27, 2005 2:13 am 
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R.S.R. 54 wrote:
Shims are all one size if you bye them from ford . you will proberly need to put 2 shims in each lifter but take off your rocker cover, run your engine put your hand on the top of each rocker , if the lifter becomes noisier then that one will need an other shim, go through the others you will find that all will need another shim . 6 x 2 = 12 shims . good luck.


The shims arnt all the same size as EA-EB were bigger than ED-AU. Make sure you specify which seal kit you want when you buy it (the earlier series ones will have little round seals as well as pivit ball baskets whereas the later ones will only have about 14 little round seals about 10mm in dia) dont bother with buying expensive shims from ford, just get some good quality hardened steel washers from a hardware or auto parts store. and before you fit the washers do a measure of the cam lobe base circle with a set of expanding callipers(cheap as) or vernier callipers to get a basic idea of how much you will need to add to your lifter shims. The difference in base circle diametres divided by 2 is what you will need in the way of shims. You dont need to be super accurate as the HLA's will take up the slack but you would prefer the lash to be a little too lose rather than tight or you will get valve float once the engine has warmed up

 

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Posted: Sun Mar 27, 2005 5:57 pm 
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Got my seal kit the other day says to suit EB - ED - EF 4/93 on. My car being a 94, they look pretty right havent checked them on a lifter yet cant be bothered pulling the whole rocker assy off (AGAIN) hehe. When i go in and get the shims ill just ask for a set of EF shim's because i really gotta get my car going and not sounding like a tank, so ill just get em $20 isnt to bad.

Whats valve float?
any running my car with just the stock shims in, i would have been lacking well power + econ yeah?

 

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Posted: Sun Mar 27, 2005 8:43 pm 
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Ive not used the right term calling it valve float but its meaning will do, what I mean by this is that if you pack up your shims too far then once the operating clearances are taken up by the normal heating of you engine then your valves wont actually seat and therefore they will leak and cause power losses. it wont be an issue so long as when you fit your rockers with the new shims in them, you check all the rockers so that they have a little bit of play between the HLA and the valve stem (between 0.1-0.7mm from memory) you will need to turn over you motor to check all of them.

 

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Posted: Mon Mar 28, 2005 3:16 pm 
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ahhh i see... so this would explain my noisy lifter operation

 

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Posted: Sat Apr 02, 2005 8:33 pm 
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Hey guys i put the set of extra shims in, and she's all back together now but im still having problems.. :( It sometimes stalls at idle in D and is a bit sluggish in the low range.. I filled up after i got it all together, and my guage is on 1/4 tank and I've only done 250k's :o

Im on holidays this week so im probably just gonna take it in to a tuning shop??? unless any1 else has any idea's?

 

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