300 H2 to H3

1997 Views 5 Replies 4 Participants Last post by jseim, Jan 9, 2012

jseim

Discussion Starter · Jan 9, 2012

How hard is it to put an H3 valve off a 400 onto a 300? I have it stripped down right now for painting and engine overhaul. Just curious if alot of fabricating had to be done or if it was pretty much bolt in.

:thanku:

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esnb74

· #2 · Jan 9, 2012

I've added H3 to my 318, but not a 300. I would imagine that it would be easier as the 300 is more open and easier to work on. I'm happy to help in any way I can.

Good to see another fellow NE resident on here.

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esnb74

· #4 · Jan 9, 2012

The only thing that may need to be modified is the mount (bolt holes) for the H3 valve. That is only thing on the 420 to 318 conversion that isn't pretty straight forward and uniform.

Since you have it apart - now is the time.

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