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Replacing DOHC 3.5 with SOHC 3.5 in 95 SR #983049 01/29/10 06:38 AM
Joined: Apr 2005
Posts: 10
M
monster_max Offline OP
Need a Spot
My 95 SR is pushing 200k and just snapped the crank pully bolt, which is patched up but the crank is probably shot. Since they only built the DOHC for a few years they are hard to find. I was wondering if the newer 3.5 would bolt in or is it completely different?

Re: Replacing DOHC 3.5 with SOHC 3.5 in 95 SR [Re: monster_max] #983050 01/29/10 09:03 AM
Joined: Jan 2000
Posts: 16,227
off-roader Offline
Web Wheeler
*****
Wiring Harness, ECU and probably a few other things will have to be swapped. Best to buy a totaled doner vehicle with a good engine & possibly tranny to swap.


Off Roader
98 Montero with the Winter Package
89 Montero minty clean and reserved for overlanding trips or Cars and Coffee events
96SR (3.15:1 xcase, 35's) gone to the rust gods
96SR Build Up Thread
Old web page
Old web page
Re: Replacing DOHC 3.5 with SOHC 3.5 in 95 SR [Re: monster_max] #983051 01/29/10 09:16 AM
Joined: Sep 2004
Posts: 4,479
StockRaider Offline
Roll Me Over
***
I believe the cranks are the same between the SOHC and DOHC... I would just rebuild your DOHC with a new crank at most. If you replace the timing belt on time your fine with the current setup.


Richard E
1989 Montero - Stock-ish
1989 V6 Auto Raider - 5.3 Vortech Swap.
1987 Mitsubishi Starion 2.6t, soon to be 3.5
1983 Honda XL600R
Re: Replacing DOHC 3.5 with SOHC 3.5 in 95 SR [Re: StockRaider] #983052 01/29/10 01:57 PM
Joined: Sep 2009
Posts: 476
MBrannon Offline
Mudrunner
No don't do it!!!! (unless you want to trade me motors)


1992 VR4 12.5 @ 110 - SOLD
1993 Stealth RT/TT 11.4 @ 129 - SOLD
1991 VR4 9.2 @ 159 - Old Shop Car
1992 Stealth Twin Turbo ATX - SOLD
1990 Montero LS LWB - RIP
1995 Montero LS - RIP
1998 Montero
1992 Galant VR4 474/1000
2007 Prius
Re: Replacing DOHC 3.5 with SOHC 3.5 in 95 SR [Re: MBrannon] #983053 01/29/10 05:52 PM
Joined: Apr 2005
Posts: 10
M
monster_max Offline OP
Need a Spot
Thanks for all the input, my local engine rebuilder wants $3000 to rebuild my motor without replacing the crank. I just passed up a 88k motor on ebay for @1400, now the only one there is like $2500. I'm finding SOHC for around $500. I love my Montero but I can't see putting thousands into a 15 year old truck with 200k. Theres one at the Pick n Pull with 160k that has an abondoned vehicle sticker on the windshield with the complete motor I'm tempted to grab but thats a gamble. As long as my crank pully bolt holds my motor runs great, I was just wondering if the SOHC was a bolt in.

Re: Replacing DOHC 3.5 with SOHC 3.5 in 95 SR [Re: monster_max] #983054 01/29/10 07:05 PM
Joined: Jun 2003
Posts: 7,356
MontyMcV Offline
Trail Leader
Can you pull the block and reinstall yourself? You'd save tons on the $3k that way.


Big Truck: 00, 3.5, Endeavor, 5-Spd drive line in hand!
Little Truck: 87, 2.6T I/C, MT, LSDs, Tonneau Top
Her Truck: 03, 3.8, 20th Anniv, 65k
Daughter's: 06 Eclipse, Keeping it Mitsu!
FSMs: MitsubishiLinks.com
Re: Replacing DOHC 3.5 with SOHC 3.5 in 95 SR [Re: MontyMcV] #983055 01/29/10 09:53 PM
Joined: Apr 2005
Posts: 10
M
monster_max Offline OP
Need a Spot
The $3000 was with me pulling the motor.

Re: Replacing DOHC 3.5 with SOHC 3.5 in 95 SR [Re: monster_max] #983056 01/29/10 11:07 PM
Joined: Jun 2003
Posts: 7,356
MontyMcV Offline
Trail Leader
That sounds pretty high to me. I'd wait and see what others who have done it say about a reasonable cost. Maybe you need to take it to someone else...?


Big Truck: 00, 3.5, Endeavor, 5-Spd drive line in hand!
Little Truck: 87, 2.6T I/C, MT, LSDs, Tonneau Top
Her Truck: 03, 3.8, 20th Anniv, 65k
Daughter's: 06 Eclipse, Keeping it Mitsu!
FSMs: MitsubishiLinks.com
Re: Replacing DOHC 3.5 with SOHC 3.5 in 95 SR [Re: MontyMcV] #983057 01/30/10 02:51 AM
Joined: Jan 2008
Posts: 985
1
1986powerram50 Offline
Rock Warrior
*****
3.5 DOHC reman when I last check is 3500 w/o core.


--keRby

Ad Inexplorta
Re: Replacing DOHC 3.5 with SOHC 3.5 in 95 SR [Re: 1986powerram50] #983058 01/30/10 05:16 AM
Joined: Jun 2003
Posts: 7,356
MontyMcV Offline
Trail Leader
Wow, shows what I know... <img src="/forums/images/graemlins/zombie.gif" alt="" />


Big Truck: 00, 3.5, Endeavor, 5-Spd drive line in hand!
Little Truck: 87, 2.6T I/C, MT, LSDs, Tonneau Top
Her Truck: 03, 3.8, 20th Anniv, 65k
Daughter's: 06 Eclipse, Keeping it Mitsu!
FSMs: MitsubishiLinks.com
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