How do you tell what year the engine is???

[Turbo-Mag]

Okay...I tried to do a search under "engine identification"...I was unsuccessful I have an '88 was told the motor was replaced. Problem is it has a case of rod-knock. I have an extra motor I got from another guy...but he is not sure what year it is, he thinks it is from a '91. So if anyone knows how I can determin the year...it would be great. If it is a '91 will it work with my car???

Thanks,
Dirck

 

[steven89]

hmm, somewhere theres a thread with the difference in block ribs. It shows the different year ranges for the blocks. Maybe search for it? Ill see if i can find it and ill post link to it if i do.

 

[j3pz]

if its the same motor it will work.

 

[dbsupra90]

you can interchange the blocks. if you take the oil pan off, an early 89 and older will have a 6m crank, and mid 89+ will have a 7m crank.

you can put a 6m crank in a 89+ block, but to put a 7m crank in a pre 89 i'm pretty sure you have to machine some clearances.

 

[Poodles]

nope, they're direct fit either way

it doesn't really matter which block, they're the same through the years, the only real issues is GE vs GTE...

 

[Jeff Lange]

you can interchange the blocks. if you take the oil pan off, an early 89 and older will have a 6m crank, and mid 89+ will have a 7m crank.

you can put a 6m crank in a 89+ block, but to put a 7m crank in a pre 89 i'm pretty sure you have to machine some clearances.

All 1989 Supras have the 6M crank, and the cranks will interchange either way.

 

[johnathan1]

I thought the casting on the 89+ blocks was thicker than pre-89's? I remember IJ took pictures of them side by side...

 

[Poodles]

yes, but all parts will bolt up just fine...

not like it really matters unless you're going on an all-out build...

or anal about such things like IJ *hides*

 

[dbsupra90]

nope, they're direct fit either way

it doesn't really matter which block, they're the same through the years, the only real issues is GE vs GTE...

-rich87x2 (the s/n disappeared from here for some reason) said the 7m crank wasnt a direct fit on his pre89 block. he had pics posted, but like i said i cant find them here.

jeff- thats odd. the 89 i saw i swear it had a 7m crank. i could have been imaging things, it was quite some time ago.

 

[IJ.]

From memory a 7M crank in an early block hits the Oil pump boss.

92


87


92


87

 

[steven89]

Cool IJ.. This is what i was talking about. +1

 

[bowsercake]

My 90 engine has the 7M crank (of course) but it is not a block with extra reinforcement. So, that must have come later and it is even rarer because there are less half as many 90, 91, and 92 supras as there are 87s alone.

 

[dbsupra90]

From memory a 7M crank in an early block hits the Oil pump boss.

i didnt think i was crazy.

 

[JustAnotherVictim]

I haven't had any problems with it. :dunno: