Identifying the 1g motor vs 2g??

[Tsinsanity]

Ive been trying to figure out which motor is in my new 97 talon and Im kinda stumped. This engine has the metal oil dipstick which I thought the 2g was plastic and it has a cover where the cam sensor is that resembles that of a 1g. It however has the 2g intake manifold and throttle body. Is there a code somewhere on the block where I can determine the generation of 4g63? If it was swapped it was a very clean swap.

 

[TSITurbo95]

The dipstick does not mean anything. The CAS, 2gb (97-99) cars have them, 95-96 use a CPS and CAS. You can either tell by the oil pan, or look at the flywheel. If its a stock car, it is a 7 bolt, but if the motor has been swapped before and you want to know, look at the flywheel and count the bolts (either 6 or 7 bolt)

 

[92AWDHX40]

Is a cam sensor on the passenger side, 6 bolt swap if it is.

 

[TSITurbo95]

^ 2GB (97-99) has the CAS on the passenger side too.

 

[Alan11]

Pics.??

 

[92AWDHX40]

Oh, 2g intake chances its a 7 bolt i could be wrong but i havent seen any 2g intakes on 6 bolt blocks, but i could be wrong. How to quickly tell a 6bolt and 7bolt engine apart

 

[LiquidX]

The CAS on the passenger side isn't a guarantee especially since I've seen people swap from the 2g cam and crank sensors to use the 1g adjustable sensor. Then again, there is the Hyundai oil case that is a bolt on for the 6 bolt block but uses the 2g cam and crank sensor.

More and more people are starting to see the benefits of running a 6 bolt block with a 2g head. The only sure fire way to tell is by checking the flywheel bolts or the oil pan.

 

[JusMX141]

1G blocks = roll stop provision on the block

2G blocks = roll stop provision on the trans.

That being said, you cannot use a 2G block in a 1G, but you can use a 1G block in a 2G.

 

[V12 Killa]

The dipsticks are interchangeable (the stock 2g one probably broke off like mines ) Check out the # of bolts on the flywheel or the pan like already mentioned. If the PO put a 1g CAS maybe he put a 6 bolt head on it (I've seen this before). So check out the code on the Pass. side of the head (by the t-stat housing) too.

 

[Tsinsanity]

Thanks for the replies! Im going to go work on it a bit today at my buddies house. Ill look at it more and take a couple pics. Ill be stripping the motor down to remove it so It should make things easier to tell.

 

[gorf]

two sure ways

1. look on the front of block on the passenger side below the exhaust manifold, if the water line from the turbo is connected to the front of the block - 7 bolt.

2. Front of the motor where the engine connects to the tranny. On a seven bolt right above the motor mount the engine flairs out and a bolt goes through from the tranny to the engine. When a six bolt block is installed there is a vacant bolt hole in the tranny at the point closest to the radiator.

 

[Tsinsanity]

^^sorry i didnt see your post earlier! that would have been very helpful.

A local dsmer came and helped me figure it out today. We determined that it is actually a 1G non turbo head mated to the 2G turbo block. Used the ID's to find out. It sounds like an odd head swap to me, but I may be able to pick up some turbo cams if need be.

Thanks again all for the input!

 

[19Eclipse90]

two sure ways

1. look on the front of block on the passenger side below the exhaust manifold, if the water line from the turbo is connected to the front of the block - 7 bolt.

2. Front of the motor where the engine connects to the tranny. On a seven bolt right above the motor mount the engine flairs out and a bolt goes through from the tranny to the engine. When a six bolt block is installed there is a vacant bolt hole in the tranny at the point closest to the radiator.

For clarity's sake, these are 1G vs. 2G differences, not 6-bolt vs. 7-bolt differences as specified.

 

[Mrdocprofessor]

The last statement is important becouse some 1gs have a 7bolt and some 2gs have had 6bolt swops

 

[ThomasGSX]

I've heard the knock sensor placement was another tell- tale sign. I think it was if the knock sensor was above the freeze plugs, then, you have a 7 bolt. If the knock sensor is below them, then you have a 6 bolt. but I guess without removing your transmission and clutch to expose your flywheel, you cant be 100% certain.

 

[donniekak]

^^sorry i didnt see your post earlier! that would have been very helpful.

A local dsmer came and helped me figure it out today. We determined that it is actually a 1G non turbo head mated to the 2G turbo block. Used the ID's to find out. It sounds like an odd head swap to me, but I may be able to pick up some turbo cams if need be.

Thanks again all for the input!

All 1g heads have the same large ports. The only difference is that the bolt holes are larger in the 6-bolt vs 7-bolt.