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I'm in Georgia too! Seems that there's not many of us on here. Anyway, I have a 4.2 as well. I currently have a Carter 1 barrel carb. My vision is to have an intake from an early 80s 258 that will support a 2 barrel, and then slap a Weber 32/36 progressive carburetor on top of it. Id like to keep my carbureted as well, and the Weber 32/36 is, in my opinion, the best thing for anyone that wants performance without completely killing mpg
'76 j10- currently in project mode
"Hey y'all, watch this!" means get out the camera FSJ related donations now being accepted
Mine is an '85 and I had to weld them. I believe it's the original motor but I didn't check the number. It had 7/16" bolts but I rethreaded the block for 1/2".
The question may be whether those ports actually flow coolant in a 4.0. I don't know but they certainly enter the coolant jacket in the head.
My point is that it's a significant issue that should be mentioned when recommending the head swap.
Sic friatur crustulum
'84 GW with Nissan SD33T, early Chev NV4500, 300, narrowed Ford reverse 44, narrowed Ford 60, SOA/reversed shackle in fornt, lowered mount/flipped shackle in rear.
SJTD wrote:Mine is an '85 and I had to weld them. I believe it's the original motor but I didn't check the number. It had 7/16" bolts but I rethreaded the block for 1/2".
The question may be whether those ports actually flow coolant in a 4.0. I don't know but they certainly enter the coolant jacket in the head.
My point is that it's a significant issue that should be mentioned when recommending the head swap.