How to tell the year of a trans?
#1
Supreme Member
Thread Starter
Join Date: Aug 2005
Location: Yellowknife, NWT, Canada
Posts: 3,004
Likes: 0
Received 2 Likes
on
2 Posts
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
How to tell the year of a trans?
Well as some of you guys may know i have just picked up another 84Z, i may just strip it and junk it or gut it and use it for a weekend fun car.
Anyways to the point...
It seems this car has been monkey'd around with a bit and im wondering if theirs any easy way to tell if its the original 700R4 in the car or if its a newer one thats been swapped in.
Anyways to the point...
It seems this car has been monkey'd around with a bit and im wondering if theirs any easy way to tell if its the original 700R4 in the car or if its a newer one thats been swapped in.
#2
Senior Member
iTrader: (1)
Join Date: Mar 2005
Location: San Antonio
Posts: 646
Likes: 0
Received 0 Likes
on
0 Posts
Car: 1981 Camaro; 1986 Z28
Engine: LT1; LT1
Transmission: 6 speed; 6 speed
Axle/Gears: 3.73; 3.42
89 and later models have a big "A" shaped casting mark next to the cooler ports. Earlier models are harder to identify without breaking open the trans. Of course, you can always get the id number off the trans and find out that way.
http://hotrodders.com/kb/transmissio...ification.html
http://hotrodders.com/kb/transmissio...ification.html
#3
Supreme Member
iTrader: (4)
Join Date: Aug 2005
Location: louisville, ky
Posts: 1,366
Likes: 0
Received 0 Likes
on
0 Posts
Axle/Gears: '01 3.42 10 bolt
82-early84 v-8's had a small front pump bushing and 27 spline input shaft like the v-6's. late 84-86, the v-8 went to 30 spline input shaft and big front pump bushing. early 87 had the rainbow shaped casting mark by the cooler line fittings but no feed hole for govener gear lube in the back. late 87-up had the govener gear lube feed hole. without the casting numbers on the panrail of the case, this will get you close without tearing the unit down.
#4
Supreme Member
Thread Starter
Join Date: Aug 2005
Location: Yellowknife, NWT, Canada
Posts: 3,004
Likes: 0
Received 2 Likes
on
2 Posts
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
Ill just look for the casting mark by the cooler lines, im not really interested in the exact year of the trans but jut want to know if its the 87+ version.
Thanks guys!
Thanks guys!
#5
Moderator
Join Date: Jan 2000
Location: Mercedes Norte, Heredia, Costa Rica
Posts: 20,981
Likes: 0
Received 9 Likes
on
8 Posts
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
Take the pan off and look for the auxiliary valve body, it would be a good excuse to change the fluid and filter.
#6
Supreme Member
Join Date: Mar 2002
Location: Lower Salford, PA
Posts: 1,654
Likes: 0
Received 2 Likes
on
2 Posts
Car: 1987 Camaro Z-28
Engine: 6.3L Victor EFI
Transmission: Tremec TKO 600
Axle/Gears: Moser 9"/4.11 Trac-Lok
The julian date is on the metal tag on the side of the case. Example: 87040 = made on the 40th day of 1987
Trending Topics
#8
Supreme Member
Thread Starter
Join Date: Aug 2005
Location: Yellowknife, NWT, Canada
Posts: 3,004
Likes: 0
Received 2 Likes
on
2 Posts
Car: 84 Z28
Engine: 357
Transmission: TH-350C
Axle/Gears: 3.43
I saw something stamped right by the edge of the bellhousing when i was under there changing the cooler lines yesterday. i never bothered to write them down though.
The filter in it is probably the original, ill be rebuilding the trans to put into the other camaro soon so a few more miles wont kill it... hopefully
The filter in it is probably the original, ill be rebuilding the trans to put into the other camaro soon so a few more miles wont kill it... hopefully
#9
Supreme Member
theres a date on 700r4's
stamped in and also on tag, on most anyways
on the stamping code the first digit is last number of the year of the trans
good luck
stamped in and also on tag, on most anyways
on the stamping code the first digit is last number of the year of the trans
good luck
Thread
Thread Starter
Forum
Replies
Last Post
colton_carlson
Firebirds for Sale
7
03-08-2019 12:21 PM