En­gine Mix-Up

Jp Magazine - - Mailbag -

Since I’m an AMC fan, I feel like I should tell you this. The 232 and 258 en­gines got a bell­hous­ing pat­tern change for 1972, making it the same as the AMC V-8. I found this out the hard way. The Buick 225 V-6 also had a bell­hous­ing change in 1964 to the stan­dard BOP pat­tern. This guy I used to know had a real early-’60s Buick with the 225 V-6 in it. GM had this en­gine on pa­per in the late ’50s. I had worked in a car re­pair shop for 18 years and have seen some weird Jeeps. One guy al­legedly or­dered a brand-new Jeep pickup with a 304 IHC in it! An­other guy al­legedly or­dered a Jeep pickup with a Pon­tiac 350 in it! I did work on both of them.

The very first time I saw the words “All-Wheel Drive” was on a Jeep pickup back in the ’60s. Why didn’t Jeep copy­right that term?

Dan Presler

Via email

There may have been some sort of mix-up or mis­un­der­stand­ing with the own­ers of those Jeep trucks. The International Har­vester 304ci V-8 was never avail­able in the Jeep pickup. How­ever, the AMC 304ci V-8 de­buted in ’71-model Jeep pickup trucks, among other Jeep mod­els. Many peo­ple mis­tak­enly think the AMC and IH 304 V-8s are the same en­gine, which they are not. The only thing they have in com­mon is dis­place­ment. As for the 350ci en­gine, that would be a Buick V-8. It was named the Daunt­less V-8 un­der the Jeep brand. The Buick-sourced en­gine came on­line in the Jeep trucks in 1968.

Now, it is pos­si­ble that some­one may have swapped an International Har­vester 304 and a Pon­tiac 350 un­der the hoods of the trucks you worked on, although it isn’t very likely. Nei­ther of these en­gines have been pop­u­lar swaps for Jeeps in the past nor present.

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