2G block differences

[gorf]

I have been checking out various places to get my 1997 7 bolt rebuilt and am starting to get a little confused.

I found this on Overbore.com:

There are 4 generations of this engine:
1st Generation (1989 - Apr 1992)
Mitsubishi 2.0 Liter Dual Overhead Cam (DOHC) 4G63T
Description: 6-bolt crankshaft

2nd Generation (May 1992 - Jan 1994)
Description: 7-bolt crankshaft 1st design, 1 piece crankshaft saddle. Engine block is a 1st generation cylinder head and a round bellhousing.
***All 2nd generation engines include out “Crankwalk” block correction for the trust bearing.***

3rd Generation (Feb 1994 - May 1997)
Description: 7-bolt 2nd design. Engine block has a 2nd generation cylinder head with small intake ports and cam sensor under intake cam gear. The block has a half round half square bellhousing.

4th Generation
Description: 7-bolt 2nd design. Engine block 2nd generation cylinder head with small intake ports and cam sensor on back of intake camshaft. Block half round half square bellhousing.

From Jacksonautomachine.com:
this is for a 7 bolt stroker:
*Build is for using your 98-99 7 bolt engine block

The question is what are the differences as far as crankwalk and other reliability issues?
Are there certain years that are more prone to crankwalk?

If building a 7 bolt what year is the best for rebuilding?
What year is best for a stroker and why?

 

[99gst_racer]

98-99 blocks seemed to have the least amount of reported crankwalk issues. That's a large part of the reason I chose to buy a '99 and build the original engine that came in it.

 

[skybound74]

screw it if you wanna get a motor built take the time and get the reliability of the 1 gen motor (otherwise known as a 6 bolt). it will cost more to swap over to this motor but its worth the reliability and added piece of mind.

 

[gorf]

screw it if you wanna get a motor built take the time and get the reliability of the 1 gen motor (otherwise known as a 6 bolt). it will cost more to swap over to this motor but its worth the reliability and added piece of mind.

I certainly have considered it, and may end up doing just that. BUT, I would like to go for the pure Sleeper look, I would love for someone to open my hood and not be able to tell the difference between my engine and stock - until I blew them off!

For the time being, my engine is holding and I plan on doing an AWD conversion first. After that I may consider a stroker.

 

[Defiant]

You won't be doing an AWD conversion. But check back in when you realize this.