Engine/trans swap questions [Archive] - Dodge Talk Community Forum


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W. B.
01-13-2008, 10:46 AM
First, a kind Hello to all, i visited and registered about 6 PM here yesterday, and spent the next 7 hours reading a million posts/topics...it seemed. This site offers a fine reservoir of information on Dodges...glad i found it.

Questions im looking for assistance/knowledge on concern the swap of my 1977 318/A727 combo into a 87 D100 that was sold due to a rod coming thru the block (hole is almost soft-ball size !).

I've completed the pulling and swapping, now it's hook-up time.Questions are as follow:

#1 The original 87 setup was a 225 SL6/A904. It employed the Lean Burn ESA system. The SL6 distributor had 2 pick-ups and 2 wiring plugs , one for each pickup. The 318 distributor only needs one. What is the best way to connect this circuit ? One wire from each plug travels back to a factory weld on the harness, where they are common.

#2 After a lot of reading here, it seems very propable that i need to remove my 77 Ballast Rstr/ECU from the 77 truck and use them. When some of you have employed the Mopar electronic ignition changeover, was your ESA (under fender computer) then Completely out of the loop...ie..no longer required at all ?


Just these 2 questions for now, have several more to add to this swap thread later. Thanks in advance.

W. B. in Georgia

charlie1935
01-13-2008, 11:40 AM
My 87 5th ave. had the computer on the air cleaner. I installed the Mopar Performance ignition and the computer is not used at all. I see no reason there would be any difference. :gr_patrio

Speed Dragon
01-13-2008, 12:15 PM
+1, don't reuse the computer, install regular electronic ignition.

84 Ram
01-13-2008, 04:41 PM
I have a link listed for a electronic ignition conversion it is most generally used to convert from points to electronics, but it can also be used to get rid of the dreaded lean burn system. I you don't want to buy this kit you can go to a junk yard and get the distr. control modual, and the four pin balast, and the wiring that it takes to control these peices.
http://chucker54.stores.yahoo.net/elconkit.html