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White
12-11-2008, 05:39 PM
been scoutong the net and found some interesting info.

"The 6G74 and 6G75 share the same Rods. The crank main journal and rod journal diameters are also the same in both. The main difference from the 74 and 75 is the bore and stroke. Mitsu increased the 75 dipslacement by moving the piston pin up ~ 2mm, +2mm bore and around +4mm stroke. Mitsu used the 74 rod in the 75. The specs are as follows:


6G74/6G75 shared specs
152mm rod length
Main journals = 64mm
Rod journals = 55mm"

is the 380 crank forged or not? if not the mitsubishi endevour 6g75 engine has forged cranks.

grelise
12-11-2008, 05:52 PM
been scoutong the net and found some interesting info.

"The 6G74 and 6G75 share the same Rods. The crank main journal and rod journal diameters are also the same in both. The main difference from the 74 and 75 is the bore and stroke. Mitsu increased the 75 dipslacement by moving the piston pin up ~ 2mm, +2mm bore and around +4mm stroke. Mitsu used the 74 rod in the 75. The specs are as follows:


6G74/6G75 shared specs
152mm rod length
Main journals = 64mm
Rod journals = 55mm"

is the 380 crank forged or not? if not the mitsubishi endevour 6g75 engine has forged cranks.
Interesting, I wonder if the crank, connecting rods and pistons from the 75 will all fit into a 74 block. If yes then this could be worthwhile doing for my upcoming conversion.

Type40
12-11-2008, 05:53 PM
I know the (380) manuals have a steel crank for durability.... I know nothing else i'm afraid.

[TUFFTR]
12-11-2008, 05:57 PM
Just a link i will provide. has a tiny bit of info on it 3.5L vs 3.8L
http://wrenchmonkey.com/Webpages/6G74details.html

wrexed03
12-11-2008, 06:47 PM
From what i have heard also the pajero engine 3.5 has a steel crank the magna sedan has as the other cast i think..

Regards

Jasons VRX
12-11-2008, 07:00 PM
From what i have heard also the pajero engine 3.5 has a steel crank the magna sedan has as the other cast i think..

Regards

The 3.5L magna engines ive built all had factory steel cranks, the guy who does my balancing work commented on how good the magna 3.5L crank is compared to its rivals

BJ31OS
12-11-2008, 07:42 PM
The 3.5L magna engines ive built all had factory steel cranks, the guy who does my balancing work commented on how good the magna 3.5L crank is compared to its rivals


Is that the same for the 3L

White
13-11-2008, 05:11 PM
Is that the same for the 3L


dont know. would have to research the difference between the 3l and 3.5

Jasons VRX
13-11-2008, 05:41 PM
Is that the same for the 3L

Nope not on the 3L ive seen. The 3L as a whole unit has a weaker bottom end (crank, 2 bolt mains etc), although the stock pistons are a bit stronger than the 3.5L ones.