22r cam, valves, or valve springs work on a 20r?
Oct 3, 2006 | 09:28 PM
#1
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Joined: Apr 2006
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From: Bend, OR
22r cam, valves, or valve springs work on a 20r?
I was running a compression test on the '78 I just got, and I have something bad in the top end. My guess is the valves need adjusting, but in case of the cam, valve, or valve spring being bad, can I grab one off my '84 22R top end I have sitting here?
Also, what should my fuel pressure be for the '78 motor? I'm gonna run an inline fuel pump on it, and have to $buy$ one.
In case anyone recognizes this post, it's similar to the one I posted a few months back when I was trying to reuse some of the '84 top end on my '79 motor.
Also, what should my fuel pressure be for the '78 motor? I'm gonna run an inline fuel pump on it, and have to $buy$ one.
In case anyone recognizes this post, it's similar to the one I posted a few months back when I was trying to reuse some of the '84 top end on my '79 motor.
Oct 6, 2006 | 05:25 AM
#3
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Joined: Mar 2003
Posts: 3,981
Likes: 4
From: Lacey, WA
you can use 22R valve springs, seals, and the cam, but the valves are bigger on a 22R.
your truck already has an electric fuel pump in the tank, don't try running an inline pump unless you want to swap out the in-tank one. you'll just fry it. the pump should put out about 4psi.
your truck already has an electric fuel pump in the tank, don't try running an inline pump unless you want to swap out the in-tank one. you'll just fry it. the pump should put out about 4psi.
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