Block differences?

Lummy · Post by **Lummy** » Mon Aug 23, 2010 8:53 pm

I'm sure this has been covered before, but I couldn't find it...

I'm wondering what differences there are in the actual blocks between Starions, VR4, EVO, etc?

Cheers.

YellowJA · Post by **YellowJA** » Mon Aug 23, 2010 9:28 pm

Starion wide block, VR4 and EVO narrow block

Lummy · Post by **Lummy** » Mon Aug 23, 2010 9:46 pm

Ok, focussing on the narrow blocks for a moment, are there any differences between any of the models?

What I'm getting at is...would the crank/pistons in my VR4 motor be interchangable with any other 4G63 block?

redzone · Post by **redzone** » Mon Aug 23, 2010 11:08 pm

6 bolt N/A blocks have oil squirter bosses, 7 bolt N/A blocks dont. otherwise there's not much difference between them..

dirtygalant · Post by **dirtygalant** » Tue Aug 24, 2010 9:06 am

You can't use a 6 bolt crank in a 7 bolt block, and vice versa. The oil pump is different between 6 bolt and 7 bolt, as is the sump as the 7 bolt oil pump is shaped differently.

Lummy · Post by **Lummy** » Tue Aug 24, 2010 8:52 pm

Ok, good info.

So, 7 bolt starts when? With the EVO engines?

dirtygalant · Post by **dirtygalant** » Wed Aug 25, 2010 4:23 pm

Yep Lancer Evo 1 onwards, also RVR Turbos from 1993 onwards, and about end of '91/beginning of '92 is when the N/A RVRs went from 6 bolt to 7 bolt on their N/A DOHC models.

The HJ Galant 2.0L SOHC engines will be 7 bolt also.

quest · Post by **quest** » Wed Aug 25, 2010 4:57 pm

my 6-bolt non-turbo block didn't have provision for the knock sensor to screw into either

Austarion

Block differences?

Block differences?

Who is online