68 Mustang engine swap question

bigredpaintbllr · July 18th, 2009, 07:32 PM

Hello everyone. I have a 68 mustang with a 78 302 in it now. I want to put an 88-93 Carb'd 5.0 motor in it. I have tried finding a "how to" on just putting a 5.0 into it 67-68 but havn't found quite what i'm looking for. On top of it I'm not sure which category the 78 parts on my engine now fit into. If someone could help me out I would greatly appreciate it. Thanks in advance.

bigredpaintbllr · July 18th, 2009, 11:28 PM

anybody?

ReverendDexter · July 18th, 2009, 11:42 PM

If you're staying carb'd and already have a smallblock in there, I don't think you have to do anything special, just pull your old motor and drop the new one in. If you've got a 4-speed in your '68 currently, you might take the chance to upgrade to a 5-speed, and just have a custom driveshaft made for the T-5 (or whatever you choose to go with).

MustangOne · July 19th, 2009, 07:53 AM

The 5.0 is the same bolt pattern on the block and heads as your 302.

Things that you will have to use off your old motor is the timing chain cover and water pump.

You will need to buy a flywheel 50 oz 157 thoot to still use your transmission.

bigredpaintbllr · July 19th, 2009, 07:35 PM

thank you. i have the 78 c4 in it. fyi.

bigredpaintbllr · July 19th, 2009, 09:20 PM

does anyone know why i have to change the timing cover and the waterpump

MustangOne · July 19th, 2009, 10:05 PM

Yes, I do

If your motor is a 88-93 EFI it will not have the fuel pump opening on the timing chain cover.

And the newer motors have the lower rad hose on the drivers side instead of the passagers side. Water pump is alot cheaper than a Radaitor.

You can use the ones off your old motor, and pullys.

You still will need to buy a flywheel 50 oz 157 thoot to still use your transmission. in 1982 &up the motors are 50oz and 164 flywheels.

bigredpaintbllr · July 19th, 2009, 11:08 PM

i actually am going to purchase a new radiator i have the original one in the car and its really beat up and rusty. so from what you said if i buy a newer style radiator i can use the newer water pump. anyone correct me if i'm wrong. lol

MustangOne · July 20th, 2009, 07:08 AM

you still need to buy a radaitor to fit your car. I would buy a 1968 24" big block radaitor.

It will fit your car and have the bottem rad hose on the drivers side.

Just remember to buy the mounting brackets for the stock rad. If you go Griffin or Northern Radaitor you can make your own.

bigredpaintbllr · July 21st, 2009, 12:13 PM

thank you for your help everyone.

MustangOne · July 21st, 2009, 02:24 PM

Any time.

Good Luck

July 18th, 2009, 07:32 PM	#1
bigredpaintbllr Newbie 1968 & 1991 Mustangs Join Date: Jul 2009 Location: NW Indiana Posts: 17 iTrader: 0 reviews	68 Mustang engine swap question Hello everyone. I have a 68 mustang with a 78 302 in it now. I want to put an 88-93 Carb'd 5.0 motor in it. I have tried finding a "how to" on just putting a 5.0 into it 67-68 but havn't found quite what i'm looking for. On top of it I'm not sure which category the 78 parts on my engine now fit into. If someone could help me out I would greatly appreciate it. Thanks in advance. Last edited by bigredpaintbllr; July 18th, 2009 at 11:42 PM.

July 18th, 2009, 11:42 PM	#3
ReverendDexter Priest of the Car Gods Clapped-out '90 GT 'vert ~5.5 seconds off TTOD :( Join Date: Jan 2007 Location: Rohnert Park, CA Posts: 13,808 iTrader: 0 reviews	If you're staying carb'd and already have a smallblock in there, I don't think you have to do anything special, just pull your old motor and drop the new one in. If you've got a 4-speed in your '68 currently, you might take the chance to upgrade to a 5-speed, and just have a custom driveshaft made for the T-5 (or whatever you choose to go with). __________________ O o /¯/______________________ \|BLAAAAAAAAAAAAAAAAAAAAAAAAARGH!!! \_\

July 19th, 2009, 07:53 AM	#4
MustangOne Lost in the 60's 1968 GT 500 Super Snake 12.6 @ 114.3 Join Date: Mar 2008 Location: Sapulpa Oklahoma Posts: 2,053 iTrader: 0 reviews	The 5.0 is the same bolt pattern on the block and heads as your 302. Things that you will have to use off your old motor is the timing chain cover and water pump. You will need to buy a flywheel 50 oz 157 thoot to still use your transmission. __________________ MustangOne's Car's How to post Photos in Your Thread. Vote for your Favorite Ride of the month, Every Month Modded Mustangs Facebook

July 19th, 2009, 10:05 PM	#7
MustangOne Lost in the 60's 1968 GT 500 Super Snake 12.6 @ 114.3 Join Date: Mar 2008 Location: Sapulpa Oklahoma Posts: 2,053 iTrader: 0 reviews	Yes, I do If your motor is a 88-93 EFI it will not have the fuel pump opening on the timing chain cover. And the newer motors have the lower rad hose on the drivers side instead of the passagers side. Water pump is alot cheaper than a Radaitor. You can use the ones off your old motor, and pullys. You still will need to buy a flywheel 50 oz 157 thoot to still use your transmission. in 1982 &up the motors are 50oz and 164 flywheels. __________________ MustangOne's Car's How to post Photos in Your Thread. Vote for your Favorite Ride of the month, Every Month Modded Mustangs Facebook Last edited by MustangOne; July 19th, 2009 at 10:08 PM.

July 20th, 2009, 07:08 AM	#9
MustangOne Lost in the 60's 1968 GT 500 Super Snake 12.6 @ 114.3 Join Date: Mar 2008 Location: Sapulpa Oklahoma Posts: 2,053 iTrader: 0 reviews	you still need to buy a radaitor to fit your car. I would buy a 1968 24" big block radaitor. It will fit your car and have the bottem rad hose on the drivers side. Just remember to buy the mounting brackets for the stock rad. If you go Griffin or Northern Radaitor you can make your own. __________________ MustangOne's Car's How to post Photos in Your Thread. Vote for your Favorite Ride of the month, Every Month Modded Mustangs Facebook Last edited by MustangOne; July 20th, 2009 at 08:12 AM.

July 18th, 2009, 11:28 PM	#2
bigredpaintbllr Newbie 1968 & 1991 Mustangs Join Date: Jul 2009 Location: NW Indiana Posts: 17 iTrader: 0 reviews	anybody?

July 19th, 2009, 07:35 PM	#5
bigredpaintbllr Newbie 1968 & 1991 Mustangs Join Date: Jul 2009 Location: NW Indiana Posts: 17 iTrader: 0 reviews	thank you. i have the 78 c4 in it. fyi.

July 19th, 2009, 09:20 PM	#6
bigredpaintbllr Newbie 1968 & 1991 Mustangs Join Date: Jul 2009 Location: NW Indiana Posts: 17 iTrader: 0 reviews	does anyone know why i have to change the timing cover and the waterpump

July 19th, 2009, 11:08 PM	#8
bigredpaintbllr Newbie 1968 & 1991 Mustangs Join Date: Jul 2009 Location: NW Indiana Posts: 17 iTrader: 0 reviews	i actually am going to purchase a new radiator i have the original one in the car and its really beat up and rusty. so from what you said if i buy a newer style radiator i can use the newer water pump. anyone correct me if i'm wrong. lol

July 21st, 2009, 12:13 PM	#10
bigredpaintbllr Newbie 1968 & 1991 Mustangs Join Date: Jul 2009 Location: NW Indiana Posts: 17 iTrader: 0 reviews	thank you for your help everyone.

July 21st, 2009, 02:24 PM	#11
MustangOne Lost in the 60's 1968 GT 500 Super Snake 12.6 @ 114.3 Join Date: Mar 2008 Location: Sapulpa Oklahoma Posts: 2,053 iTrader: 0 reviews	Any time. Good Luck __________________ MustangOne's Car's How to post Photos in Your Thread. Vote for your Favorite Ride of the month, Every Month Modded Mustangs Facebook

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