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change motor mounts, maybe heavier shocks, or springs

Its entirely possible that the 6 weighs as much as the 8. If your front end is in good shape I wouldn't worry. trans bell housing will need replaced if not the whole thing which could lead to a new drive shaft. A Dodge might have a K member that needs changed for the engine swap. This one is worth some research as far as cost is concerned even if you were to do the work yourself it could get pricey fast. in my opinion the truck isn't worth the effort, old pickups are cheap these days! you could do better with a stock issue 8 as a base

My 1980 Dodge D-100 was a slant 6,4speed truck. Now it is a 318,4barrel ,headers with the same trans.

The 6 cylinder clutch is still in there. Find a donor truck and take all the parts like frame mounts etc. It is a straight forward swap.It pulls great and with the overdrive it gets 17 mpg.

Finding Dodge Trucks that are not rusted out is getting tough,and I live down south. HAVE TO CHANGE TRANS<EXH> DRIVE SHAFT.

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11y ago
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Q: Can you replace your 1985 d100 slant 6 with a 8 cylinder without heavy mods?
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