Re: [Amc-list] 4.0 #7120 Head to 258 Swap

[Greg Taylor <amundaza@xxxxxxxxx>]

Hey guys,
Sounds like the 4.0L head swap takes some work.  Why not just use an existing high-compression 258 head and do the Chevy 1.94/1.50 valve swap?  Cost with all chevy parts is reasonable and the performance difference is AMAZING. FWIW, on my stock bore 258, we cut the exhaust down to a 1.45" to be safe on clearance (without mocking anything up).

Sincerely,
Greg Taylor :) <><
 

And the testimony is this, that God has given us eternal life, and this life is in His Son. He who has the Son has the life; he who does not have the Son of God does not have the life. - 1 John 5:11-12

--- On Sun, 7/6/08, Wrambler242@xxxxxxxxxxx <Wrambler242@xxxxxxxxxxx> wrote:

From: Wrambler242@xxxxxxxxxxx <Wrambler242@xxxxxxxxxxx>
Subject: Re: [Amc-list] 4.0 #7120 Head to 258 Swap
To: hh7x@xxxxxxxxxxxxx, "AMC/Rambler owners, drivers and fans." <amc-list@xxxxxxxxxxxx>
Date: Sunday, July 6, 2008, 10:45 PM

I'd use a grease to fill the ring gap at the top of the piston with the
piston about halfway down the bore in question.
Then place aluminum foil or similar on top of the whole mess to seal it up as
best I could.
  Vacuum beside the site and a die grinder to do the bevel.
Once beveled, I'd clean out everything with paper towells or another tool
carefully. Getting everything out as best I could. Then rotate the piston down
the bore further and do a final clean.
   Take your time and it should work fine.
Best to do with the engine out, but hey sometimes you just got to make the best
of what you got!

--
Mark Price
Morgantown, WV
1969 AMC Rambler, 4.0L, EFI, T-5
2004 Grand Cherokee Laredo, 4.7L, Quadratrc II
" Chronic Pain Hurts"




      
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