North American Turbocoupe Organization



K-Member difference
Crash_AF Offline
Junior Member
#1
Does anyone know if the K-member for the 2.3 is the same as the one for the 3.8?
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nickj85 Offline
Junior Member
#2
It is the same for a Mustang but I don't know about a Tbird.
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Chuck W Offline
Posting Freak
#3
Year?
83 TC Clone, 80 Cougar XR-7, 85 Volvo 244 Turbo, AND 88 Scorpio
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motormenace Offline
Senior Member
#4
83-85 and 86-88 are the same. if you want to use the old svo/2.3 convertable/chucks 83-85 (recomended!) mounts, use the 83-85.
86 turbo coupe (14.12 at 15 psi. sleeper) *gone*

...so you have a V8...isn't that cute...
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Crash_AF Offline
Junior Member
#5
I'm swapping a SC3.8 motor into an 86 TC shell. Will I need to change the K-Member/mount perches or will the 3.8 drop in with the same perches by just changing the motor mounts?

Thanks,
Joe
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Ryan H Offline
Posting Freak
#6
Does the SC 3.8 have the same mount patterns as the regular 3.8L? If so, you'll need a set of mounts from a V6 car in the least.
'88 TC Smile Walbro 255HP, Stinger FMIC, PIT BOV, Pro 5.0, Kirban, RR cam, FRPP strut tower brace, T3
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Crash_AF Offline
Junior Member
#7
The motor mount part number is the same for the 89 SC and the 86 3.8 so yes, they are the same. I'm just wondering about the perches on the K-member.

Thanks,
Joe
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Chuck W Offline
Posting Freak
#8
The U brackets on the Kmember are different.

Well at least the driver side is. The pass is the same. You should be able to make any of the 2.3/3.8/5.0 86-88 lower brackets work. The difference is in the offset of the isolator in reference to the through bolt.

On a side note, I will soon be able to offer some of my poly motor mounts that will fit a 3.8 in a 86-88 Fox Wink (For the SC swaps, etc). I'm doing them for the MN-12's but they will work as mentioned. Will have my samples welded in the next week or so.
83 TC Clone, 80 Cougar XR-7, 85 Volvo 244 Turbo, AND 88 Scorpio
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Robert Camp Offline
Posting Freak
#9
I've seen numerous statements claiming the '86 K member is the same as the '87/'88. How can this be when the '86 uses the same A-arm as the '85. The '87/'88 have a different, longer A-arm. I know that the '86 arms match the FRRP M-3075-A for the '79-'93 Mustang as I have both in my garage. Is there something I'm missing that would make the '86 K member the same as '87/'88?
Thanks
Robert Camp
'86 Medium Regatta Blue TC, 5-speed, original owner.
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Chuck W Offline
Posting Freak
#10
I'm not verifying the fact that the 86 Kmembers are the same as the 87-88...but the mounts are interchangeable.

I know the overall track width is the same between the 86 and the 87-88's.

AFAIK the control arm mounts are further inboard on the 87-88 cars over the earlier ones...
83 TC Clone, 80 Cougar XR-7, 85 Volvo 244 Turbo, AND 88 Scorpio
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