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post #1 of (permalink) Old 12-09-2002, 01:21 PM
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Engine Blocks

What problems would I have using a pre-EFI 351w block on my 90 Bronco? What differnces are there on the block? I know where I can get an 86 or 87 carbed 351w cheap.

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post #2 of (permalink) Old 12-09-2002, 01:47 PM
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Re: Engine Blocks

To my knowledge there isnt any difference between the years you`re working with on the blocks(other than the rear main seals, 1 or 2 piece), but back in the mid-seventies ford altered the deck height.
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post #3 of (permalink) Old 12-09-2002, 02:01 PM
 
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Re: Engine Blocks

For you, it would take buying a seperate computer for the E4OD as you would be deleting your current one with the engine swap.
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post #4 of (permalink) Old 12-09-2002, 03:26 PM
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Re: Engine Blocks

Also, don't forget, the carb models have mechanical fuel pumps.
Your electric pumps would need to be removed (just use the mechanical pump from the replacement engine),
or replaced with units that put out ~6psi versus the 30(?)psi EFI units.
I don't think you can get a regulator to step the pressure down enough.

Or, are you swapping your EFI over?
If that's the case, you just need a $6.99 block-off plate to bolt to the timing cover in place of the mech. pump.
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post #5 of (permalink) Old 12-09-2002, 08:18 PM
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Re: Engine Blocks

Yeah, I am planning on swapping the EFI over.

Havack:
I wouldn't need a seperate computer if I swapped all of my EFI stuff over to this other block, would I?
post #6 of (permalink) Old 12-09-2002, 08:32 PM
 
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Re: Engine Blocks

No, I was thinking you were doing away with the EFI for some crazy reason.
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