Re: [Amc-list] 4.0 head swap

[Keleigh Hardie <keleigh3000@xxxxxxxxx>]

I know one. If you're running the TF998, the 4.0 flexplate pushes the 
torque converter to far into the trans and will destroy the pump. Been 
there, done that, got the T-shirt. My recommendation is using a CPS 
relocation kit, either Mopar (for HO) or Hesco (for either HO or Renix). 
It'll save you a lot of grief in the long run...

Keleigh Hardie
Glenwood Springs CO
84 Eagle Sport Wagon 4.0/TF998/NP229

Wayne E LaMothe wrote:
> Couple of questions for those in the know.  I know the 4.0 head will bolt
> onto the 258. (Will it also bolt on the 232?)  I might have to close off
> some water ports but it is a pretty common swap.  Is there a 4.0 head
> casting that does not need the water ports sealed (maybe a RENIX head) or
> is it more to do with the 258 block?
>
> My current project is to put the 4.0 head and EFI from a 93 Cherokee on
> the 258 in my Eagle wagon.  That engine has a 3000 mile rebuild with a
> performance cam.  I will have the bellhousing drilled to accept the stock
> CPS and run the 4.0 flexplate.  Anyone see any glaring issues with this
> plan?  The long term plan is to get the EFI setup running and then add a
> turbo and 36lb injectors with a variable input voltage control on the MAP
> sensor to fine tune the A?F ratio.
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