Cost of rebuilding heads? 3.9L
#11
02-11-2015, 06:42 PM
I'm considering new heads on mine and I found this website. $150 each. Let us know how they work out if you try them.
http://www.shop.headsonly.com/DODGE-...OTA-RAM-39.htm
http://www.shop.headsonly.com/DODGE-...OTA-RAM-39.htm
#12
02-12-2015, 07:30 AM
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I think the magnum series are all the same, but 87-91 are different. FWIW If you go with one such as the rockauto one, you have a warranty and will not get hit with surprises such as, after clean up they find a crack, or you need guides, etc.
I am about 30 miles west of DC. I have a set of chevy LT1 alum. heads. Took them to a local machine shop. He cleaned, milled, replaced guides, seals, and seats. pressure tested as well. But reused springs, retainers, valves, etc. It cost me a little over $1200.00. Any more, unless it is something custom, I go remanufacture , rather then local. And the warranty is almost always better.
I am about 30 miles west of DC. I have a set of chevy LT1 alum. heads. Took them to a local machine shop. He cleaned, milled, replaced guides, seals, and seats. pressure tested as well. But reused springs, retainers, valves, etc. It cost me a little over $1200.00. Any more, unless it is something custom, I go remanufacture , rather then local. And the warranty is almost always better.
#13
02-12-2015, 07:32 AM
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Well, there's the LA 3.9, which was from 1987 to 1991 or 1992, and the Magnum, which is from the next year to the time they quit using the 3.9 .
The heads CAN be swapped, but it's not a unbolt/rebolt type job, so it's better to not swap them.
Being a 1994, yours is a Magnum, even if you DID swap to the LA heads, they're a step back in horsepower it turns out ...
RwP
The heads CAN be swapped, but it's not a unbolt/rebolt type job, so it's better to not swap them.
Being a 1994, yours is a Magnum, even if you DID swap to the LA heads, they're a step back in horsepower it turns out ...
RwP
#14
02-12-2015, 07:44 AM
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If you use that linked site the you can get the head fully built. They are tanked and repaired ready for use. I bought a built head bolted it in and started it right up. I think for the 94 Magnum its somewhere around $600 for the pair of them. The price of the built head includes the return shipping for the core.
#15
02-12-2015, 07:46 AM
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I'm considering new heads on mine and I found this website. $150 each. Let us know how they work out if you try them.
http://www.shop.headsonly.com/DODGE-...OTA-RAM-39.htm
http://www.shop.headsonly.com/DODGE-...OTA-RAM-39.htm
#17
02-13-2015, 11:41 AM
#19
02-13-2015, 07:43 PM
I just shot him an email to get that confirmed. The head I got from him was for a 4cyl Mitsubishi motor that Chrysler was using in the 80's.
#20
02-14-2015, 08:28 PM
