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post #1 of (permalink) Old 11-27-1999, 08:55 PM
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Bronco 460 Swap

I have a 1979 Bronco-with the 400M engine and auto C6 transmission.Believe I could go another 2 years with this engine but instead of rebuilding it I would like to put in a completely rebuilt 460.Reason being,during the summer I pull a 24' trailer through mountain passes and would like to get Maximum torque and power for the Bronco.Has anyone done this and how difficult would this be to do.The engine I found, but have not bought yet, is in a 1978 van.Would the engine mounting bolts be in the same position as they would be from a truck?Thanks in advance for any help and info.

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post #2 of (permalink) Old 11-28-1999, 02:01 AM
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Re: Bronco 460 Swap

>>>Hiya. I am no expert on the mid generation Broncos, but, I will tell you what I do know for sure. The 460 and modified engine family share the same bell housing pattern, so, the tranny will work. The motor mounts are different though. The 460 was only available in the heavier trucks(250 and 350) and the Bronco is basically a short F-150 after 77'. This means the frame is different and you will need custom motor mounts. I believe a company called L&L makes all sorts of custom pieces for this conversion and should have all the info. Look in the back of a 4x4 mag for the phone # or web site. You'll probably need custom headers so the exhaust can clear the frame rails and you will want a bigger radiator too. Hope this helps a little. Good luck to you.

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post #3 of (permalink) Old 12-14-1999, 10:49 PM
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Re: Bronco 460 Swap

Hi , You can get everything you need from Jeff's Bronco Graveyard in Michigan. The address is P.O. Box 227 South Lyon , MI. 48178. They carry a full line of L&L products that make this swap very easy.
See Ya Garret

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post #4 of (permalink) Old 12-16-1999, 05:05 PM
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Re: Bronco 460 Swap

Hi there.Thanks for the Info guys.I bought the 460 and will be picking it up this weekend.Can't wait to get my hands on it for the re-build!Another question I'm debating is if I should put Headers on it.I know headers will make it a better breathing engine but will they not do some nasty things in the engine compartment because of too much heat.I'm thinking that under a normal load and short bursts of power headers are great but what about long hauls (10 hours at a time) with a heavy load? Thanks in advance.

post #5 of (permalink) Old 12-18-1999, 12:29 PM
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Re: Bronco 460 Swap

How about ceramic coated headers? The reduce underhood temperatures. If you are gonna go this route, I would strongly suggest jet-hot coatings.

post #6 of (permalink) Old 12-19-1999, 02:08 PM
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Re: Bronco 460 Swap

How much did you pay for the 460?

post #7 of (permalink) Old 12-20-1999, 08:59 PM
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Re: Bronco 460 Swap

Hello. Got it for $150.00 from a salvage yard.I'm planning on doing a complete teardown and rebuild so I realize that costs will go up from there.The machining will be farmed out and the assembly I'll do.

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