83 2.3na vs 93 2.3 na

brianlepard28 · September 22nd, 2011, 06:26 AM

A buddy of mine just bough a 83 2.3 na and is wanting to buy my 93 2.3 block to put in his car. Does anyone know if the blocks are the same or would his head bolt up to block? Motor is carb. But don't think that plays any part.

Mikel89us · September 22nd, 2011, 06:23 PM

The 93 block is the same geometrically. the head bolt pattern is the same from the 70s through 2001. BUT the new block does not have the cutout for a mechanical fuel pump. He could put his auxilary shaft (that runs the distributor and oil pump) in the newer block and have the hole machined open. But it will bolt up to his head with no issues. Plus the 93 block has the small main journals that are what you need to do a 2.5 crankshaft swap later on.

brianlepard28 · September 23rd, 2011, 06:00 PM

Ok well if he is keeping it carb he won't need to do anything to the block. He is keeping his head

Mikel89us · September 24th, 2011, 10:04 PM

He will have to use an electric fuel pump. other than that its a seamless swap.

September 22nd, 2011, 06:26 AM	#1
brianlepard28 Regular 92 mustang gt Join Date: Mar 2010 Location: boonville IN Posts: 95 iTrader: 0 reviews	83 2.3na vs 93 2.3 na A buddy of mine just bough a 83 2.3 na and is wanting to buy my 93 2.3 block to put in his car. Does anyone know if the blocks are the same or would his head bolt up to block? Motor is carb. But don't think that plays any part.

September 22nd, 2011, 06:23 PM	#2
Mikel89us Regular 1991 Mustang 2.3L 11:42 @ 61 in the 1/8th Join Date: Feb 2011 Location: Logansport, IN Posts: 362 iTrader: 0 reviews	The 93 block is the same geometrically. the head bolt pattern is the same from the 70s through 2001. BUT the new block does not have the cutout for a mechanical fuel pump. He could put his auxilary shaft (that runs the distributor and oil pump) in the newer block and have the hole machined open. But it will bolt up to his head with no issues. Plus the 93 block has the small main journals that are what you need to do a 2.5 crankshaft swap later on. __________________ 1991 Mustang LX 2.3L 5 Speed convert 1989 Ranger 4X4 2.3L 5 Speed Entire turbo kit waiting to be used again.

September 24th, 2011, 10:04 PM	#4
Mikel89us Regular 1991 Mustang 2.3L 11:42 @ 61 in the 1/8th Join Date: Feb 2011 Location: Logansport, IN Posts: 362 iTrader: 0 reviews	He will have to use an electric fuel pump. other than that its a seamless swap. __________________ 1991 Mustang LX 2.3L 5 Speed convert 1989 Ranger 4X4 2.3L 5 Speed Entire turbo kit waiting to be used again.

September 23rd, 2011, 06:00 PM	#3
brianlepard28 Regular 92 mustang gt Join Date: Mar 2010 Location: boonville IN Posts: 95 iTrader: 0 reviews	Ok well if he is keeping it carb he won't need to do anything to the block. He is keeping his head

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