athousandleaves
New member
I need some help figuring out what engine I'm looking at specifically in my garage.
If you own a GT-4 RC or CS can you please post the number stamped into the head of your engine.
You might have to loosen the exhaust manifold or pull the intercooler as it is stamped just to the left of cylinder #2 above the exhaust manifold.
I'd just like to know what people have stamped as sometimes what's on paper doesn't follow through with what they actually do!
One of my engines reads 11111-88383 and the other reads 11111-88385.
Maybe Toyota let the first few RC's get GT4A heads?
I have the engine serial number if anyone knows how to decode it...
As far as I know this is how the heads went on GT4's
JDM GT-4 Narrow Body
1990 - 88383
1991 - 88385 (01/91-06/91)
1991 - 88388 (07/91-07/91)
1992 - Same as 91
1993 - Same as 91
JDM GT-4 Wide Body
1990 - 88383
1991 - 88390
1992 - 88390
1993 - 88390
JDM GT4 A
1990 - 88383
1991 - 88383/88388/88385
1992 - 88388/88385
1993 - Not In Production
JDM GT4 RC
1990 - Not In Production
1991 - 88390
1992 - 88390
1993 - n/a
EDM GT4 CS
1990 - Not In Production
1991 - 88391
1992 - 88391
1993 - n/a
EDM GT4
1990 - 88384
1991 - 88386/88389
1992 - 88391
1993 - 88391
USDM GT4
1990 - 88384
1991 - 88386/88389
1992 - 88391
1993 - 88391
If you own a GT-4 RC or CS can you please post the number stamped into the head of your engine.
You might have to loosen the exhaust manifold or pull the intercooler as it is stamped just to the left of cylinder #2 above the exhaust manifold.
I'd just like to know what people have stamped as sometimes what's on paper doesn't follow through with what they actually do!
One of my engines reads 11111-88383 and the other reads 11111-88385.
Maybe Toyota let the first few RC's get GT4A heads?
I have the engine serial number if anyone knows how to decode it...
As far as I know this is how the heads went on GT4's
JDM GT-4 Narrow Body
1990 - 88383
1991 - 88385 (01/91-06/91)
1991 - 88388 (07/91-07/91)
1992 - Same as 91
1993 - Same as 91
JDM GT-4 Wide Body
1990 - 88383
1991 - 88390
1992 - 88390
1993 - 88390
JDM GT4 A
1990 - 88383
1991 - 88383/88388/88385
1992 - 88388/88385
1993 - Not In Production
JDM GT4 RC
1990 - Not In Production
1991 - 88390
1992 - 88390
1993 - n/a
EDM GT4 CS
1990 - Not In Production
1991 - 88391
1992 - 88391
1993 - n/a
EDM GT4
1990 - 88384
1991 - 88386/88389
1992 - 88391
1993 - 88391
USDM GT4
1990 - 88384
1991 - 88386/88389
1992 - 88391
1993 - 88391