North American Turbocoupe Organization



Head Differences?
88Slowbird Offline
Junior Member
#1
my 88 TC is in need of a valve job and I have a few different choices of heads to use

88 TC head that came off it
85 TC head 
83 TC head

are there any differences between the 83-88 heads other than the missing intake manifold hole that needs drilled on the 83-86 heads?

I'd rather send off my extra 83 or 85 head so I can still drive the car until the head is back from the machine shop but if the 88 head is better I'll take it off and send it off instead
1988 Thunderbird TC 194k Miles: 
  • 5 Speed
  • Esslinger cam gear set to 4 degrees
  • RR Cam
  • Ported E6 manifold
  • Stinger 3" single exhaust & downpipe
  • AEM Cone Filter
  • Hallman boost controller set to 16 psi (still on stock IHI Turbo)
[Image: 7hHUpIum.jpg]
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Kuch Offline
Senior Member
#2
First you should check every head for cracks prior to any work being done. Do you know what cars they came out of? Mileage, auto or standards, maintenance? If you have a crack free one, that's your winner.
1988 Turbo Coupe, Black/Black, 5 Speed, Moonroof,  T3/T4 50 trim, ported E6, 255LPH, Kirban, 3" DP dual 2.5" w Hooker Maxflows, MGW shifter, K&N, Gillis valve, RR cam, Koni's
1964 Ford Galaxie 500XL, 390 6V, 4 Speed, Vast and fast
1960 Ford Starliner, 292 Y Block, 3 Speed, slow and low
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andrewjs18 Offline
Administrator
#3
(05-19-2020, 06:14 PM)88Slowbird Wrote: my 88 TC is in need of a valve job and I have a few different choices of heads to use

88 TC head that came off it
85 TC head 
83 TC head

are there any differences between the 83-88 heads other than the missing intake manifold hole that needs drilled on the 83-86 heads?

I'd rather send off my extra 83 or 85 head so I can still drive the car until the head is back from the machine shop but if the 88 head is better I'll take it off and send it off instead

do you plan on putting a stock head back on it?  if not and you want a performance boost, you may want to talk with bo port or Steve Schlodes (Schlodes ).  both do work on these heads and know them very well.
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88Slowbird Offline
Junior Member
#4
Just going to put a stock head back on

I’d love a ported head but can’t afford the $1k+ to get it done right now.
1988 Thunderbird TC 194k Miles: 
  • 5 Speed
  • Esslinger cam gear set to 4 degrees
  • RR Cam
  • Ported E6 manifold
  • Stinger 3" single exhaust & downpipe
  • AEM Cone Filter
  • Hallman boost controller set to 16 psi (still on stock IHI Turbo)
[Image: 7hHUpIum.jpg]
Reply

Kuch Offline
Senior Member
#5
Check for cracks, that's your first thing to do. I know you can run with cracks on the heads, like most of our heads are, but if you have them off. Might as well check them
1988 Turbo Coupe, Black/Black, 5 Speed, Moonroof,  T3/T4 50 trim, ported E6, 255LPH, Kirban, 3" DP dual 2.5" w Hooker Maxflows, MGW shifter, K&N, Gillis valve, RR cam, Koni's
1964 Ford Galaxie 500XL, 390 6V, 4 Speed, Vast and fast
1960 Ford Starliner, 292 Y Block, 3 Speed, slow and low
Reply

Kuch Offline
Senior Member
#6
If all the same, I would go with the 88 as it's for your year and technically a newer head and prob has an E7 cast number on it. Go with that
1988 Turbo Coupe, Black/Black, 5 Speed, Moonroof,  T3/T4 50 trim, ported E6, 255LPH, Kirban, 3" DP dual 2.5" w Hooker Maxflows, MGW shifter, K&N, Gillis valve, RR cam, Koni's
1964 Ford Galaxie 500XL, 390 6V, 4 Speed, Vast and fast
1960 Ford Starliner, 292 Y Block, 3 Speed, slow and low
Reply

Pete D Offline
Administrator
#7
What kind of shape are the older heads? in. Are either of them usable or closely ( read "cheaply") made usable? Put an old one on now and start saving to redo the '88 when time and $$ allow.
Pete Dunham


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88Slowbird Offline
Junior Member
#8
(05-21-2020, 01:50 AM)Pete D Wrote: What kind of shape are the older heads? in. Are either of them usable or closely ( read "cheaply") made usable?  Put an old one on now and start saving to redo the '88 when time and $$ allow.

both of the older heads are in about the same shape and will need valve jobs as well
1988 Thunderbird TC 194k Miles: 
  • 5 Speed
  • Esslinger cam gear set to 4 degrees
  • RR Cam
  • Ported E6 manifold
  • Stinger 3" single exhaust & downpipe
  • AEM Cone Filter
  • Hallman boost controller set to 16 psi (still on stock IHI Turbo)
[Image: 7hHUpIum.jpg]
Reply





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