68RFE Question

**Capt543** · 10-10-2019

Manual for sure.

I have a 68 built and it sucks.

**oldhorse** · 10-10-2019

The exhaust brake will slow to a crawl in first on a G56 but only to 20ish mph in 3RD on a 68RFE. Heavy and steep, this is a big advantage imho.
Auto is nice in traffic and a stick is great everywhere else.
The G56 reverse shift pattern should be opposite...what were they thinking!!?

0 Comment(s)

**MC250r719** · 10-11-2019

Originally Posted by Cumminsforlife!

Getting closer to buying my truck. Still trying to decide whether I want to go with a G56 or 68RFE.

I tried to do a bit of research on here before I asked about this, but didn't come across anything, but if there's a thread about it, maybe someone can direct me to it.

What I want to know is, if I put Ray's deleted tunes on a 68RFE, what trans upgrades would be recommended so that I could run the truck on the higher HP tunes?

Ive been running the 120hp tune for 70k miles with 0 issues.

0 Comment(s)

**ylwiron** · 10-29-2019

Well, I don't have the same good story on the 68RFE. Took it out last Sunday bringing home some pizza on the 120HP tune. Never had an issue, until I had a big issue. Probably could have had it covered under warranty, but figured if it happened once I was just going to have it happen again...... and the next time I may not be so close to home! Rebuilt and upgraded should be here Friday.

0 Comment(s)

**MC250r719** · 10-30-2019

Originally Posted by ylwiron

Well, I don't have the same good story on the 68RFE. Took it out last Sunday bringing home some pizza on the 120HP tune. Never had an issue, until I had a big issue. Probably could have had it covered under warranty, but figured if it happened once I was just going to have it happen again...... and the next time I may not be so close to home! Rebuilt and upgraded should be here Friday.

What happened to the ole trans?

I hope it wasn't the extra weight from hauling a couple pizza pies.

0 Comment(s)

**ylwiron** · 10-30-2019

Originally Posted by MC250r719

What happened to the ole trans?

I hope it wasn't the extra weight from hauling a couple pizza pies.

yep, I guess it was the extra meat and cheese.... My wife always said it was going to catch up to me someday!

0 Comment(s)

**legendaryandrew** · 10-30-2019

I did a 2nd gen swap s364sxe at 130k miles with mm3, i turned it down to the 30hp tune due to trans starting to slip a little bit after running the 90hp tune for 9k miles. Truck is a daily driver, 2 launches for fun, rest is freeway driving.

0 Comment(s)