T type

GreenMustang00 · December 14th, 2011, 01:58 AM

My buddy is looking into rebuilding his 1979 T Type. He bought it and the next week it started to get a severe rod knock. I see there is a difference in the 79 and late 80s in power. Would any of this be due to the internals such as compression ratio and etc.
I am sure they are the same, but any block differences between the years?

GrimJack · December 14th, 2011, 02:08 PM

I know the mid 80s versions of GNs had forged internals and the fuel injection changed to sequential and went to distributorless ignition which was way more efficient than the previous generations.

GreenMustang00 · December 14th, 2011, 02:12 PM

Camshaft profiles as well i think. Yea the rebuild kit he found is essentially a stock replacement kit and it is not forged.

GrimJack · December 14th, 2011, 02:36 PM

Has he thought about swapping out a later model 3.8 from a supercharged buick? Those make as much if not more power and accept upgrades nicely. Might actually be cheaper to go a low mileage newer model motor than put a bigger turbo on it (obviously swapping out intakes etc to do the swap).

GreenMustang00 · December 14th, 2011, 02:54 PM

Im not sure if he is goingmto build it for performance or to resell. He got it for 2 grand and I am thinking he is going to turn it.

GrimJack · December 14th, 2011, 03:11 PM

If he's just flipping it he might be able to get a crank kit and get it going for cheap.

GrimJack · December 14th, 2011, 03:32 PM

He can probably rebuild the oil pump for cheap too as long as the housing isn't too scored/scratched. If he does, upgrade the spring to boost oil pressure if needed.

GT500Steve · December 16th, 2011, 11:00 PM

If I remember correctly the 86&87 cars had a slightly different design in the heads, and the deck height of the block was different, as well as everything else you guys mentioned. I have owned several T-types and GNs, but it has been over 10 years ago.

GreenMustang00 · December 17th, 2011, 12:12 AM

Well I knew the blocks were different somewhere because the 79-85? Has a 14 bolt oil pan. He was talking about putting a 350 in, I personally think that is a shitty idea.

01V8MUSTANG · December 17th, 2011, 09:06 AM

Forget the 3.8 and go with an LS1!

December 14th, 2011, 01:58 AM	#1
GreenMustang00 1 Wheel Peel 2000 Mustang 393w 2001 Mustang GT Vert Join Date: Mar 2010 Location: Wisconsin Posts: 3,583 iTrader: 4 reviews	T type My buddy is looking into rebuilding his 1979 T Type. He bought it and the next week it started to get a severe rod knock. I see there is a difference in the 79 and late 80s in power. Would any of this be due to the internals such as compression ratio and etc. I am sure they are the same, but any block differences between the years? __________________ 2000 393w Swapped Vert 2001 GT Vert 2002 Six Banger

December 14th, 2011, 02:08 PM	#2
GrimJack Regular 2001 Mustang GT 5spd 14.41@98.04 Join Date: Jul 2009 Location: Tucson, AZ Posts: 199 iTrader: 1 reviews	I know the mid 80s versions of GNs had forged internals and the fuel injection changed to sequential and went to distributorless ignition which was way more efficient than the previous generations. __________________ “I never thought I'd say this, but I'm glad I'm not hung like a bear!”

December 14th, 2011, 02:12 PM	#3
GreenMustang00 1 Wheel Peel 2000 Mustang 393w 2001 Mustang GT Vert Join Date: Mar 2010 Location: Wisconsin Posts: 3,583 iTrader: 4 reviews	Camshaft profiles as well i think. Yea the rebuild kit he found is essentially a stock replacement kit and it is not forged. __________________ 2000 393w Swapped Vert 2001 GT Vert 2002 Six Banger

December 14th, 2011, 02:36 PM	#4
GrimJack Regular 2001 Mustang GT 5spd 14.41@98.04 Join Date: Jul 2009 Location: Tucson, AZ Posts: 199 iTrader: 1 reviews	Has he thought about swapping out a later model 3.8 from a supercharged buick? Those make as much if not more power and accept upgrades nicely. Might actually be cheaper to go a low mileage newer model motor than put a bigger turbo on it (obviously swapping out intakes etc to do the swap). __________________ “I never thought I'd say this, but I'm glad I'm not hung like a bear!”

December 14th, 2011, 02:54 PM	#5
GreenMustang00 1 Wheel Peel 2000 Mustang 393w 2001 Mustang GT Vert Join Date: Mar 2010 Location: Wisconsin Posts: 3,583 iTrader: 4 reviews	Im not sure if he is goingmto build it for performance or to resell. He got it for 2 grand and I am thinking he is going to turn it. __________________ 2000 393w Swapped Vert 2001 GT Vert 2002 Six Banger

December 14th, 2011, 03:11 PM	#6
GrimJack Regular 2001 Mustang GT 5spd 14.41@98.04 Join Date: Jul 2009 Location: Tucson, AZ Posts: 199 iTrader: 1 reviews	If he's just flipping it he might be able to get a crank kit and get it going for cheap. __________________ “I never thought I'd say this, but I'm glad I'm not hung like a bear!”

December 14th, 2011, 03:32 PM	#7
GrimJack Regular 2001 Mustang GT 5spd 14.41@98.04 Join Date: Jul 2009 Location: Tucson, AZ Posts: 199 iTrader: 1 reviews	He can probably rebuild the oil pump for cheap too as long as the housing isn't too scored/scratched. If he does, upgrade the spring to boost oil pressure if needed. __________________ “I never thought I'd say this, but I'm glad I'm not hung like a bear!”

December 16th, 2011, 11:00 PM	#8
GT500Steve Newbie 2007 Shelby GT500 11.37@125 Join Date: Nov 2011 Location: Canton, NC Posts: 12 iTrader: 0 reviews	If I remember correctly the 86&87 cars had a slightly different design in the heads, and the deck height of the block was different, as well as everything else you guys mentioned. I have owned several T-types and GNs, but it has been over 10 years ago. __________________ Steve 2007 GT500 553 RWHP/568 RWTQ

December 17th, 2011, 12:12 AM	#9
GreenMustang00 1 Wheel Peel 2000 Mustang 393w 2001 Mustang GT Vert Join Date: Mar 2010 Location: Wisconsin Posts: 3,583 iTrader: 4 reviews	Well I knew the blocks were different somewhere because the 79-85? Has a 14 bolt oil pan. He was talking about putting a 350 in, I personally think that is a shitty idea. __________________ 2000 393w Swapped Vert 2001 GT Vert 2002 Six Banger

December 17th, 2011, 09:06 AM	#10
01V8MUSTANG Regular Join Date: Nov 2009 Posts: 294 iTrader: 2 reviews	Forget the 3.8 and go with an LS1!

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