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 Possible to Run a 5vzfe Motor With 3vze Harness and Computer?
#910879
10/14/08 04:33 PM
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Joined: Jan 2002
Posts: 1,617
OP
Body Damage is Cool
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I ask this from a position of not knowing what the differences are between the two motors with regards to electronics ans systems like variable cam timing that might need to be controlled by the electronics.
So why not drop in a 5vzfe where a 3vze once lived and run the 5vze with the 3vze wiring and electronics. I know there are logistical problems, like the fact that many major components, like the air flow meter, may be on opposite sides of the vehicle. -- Matts
'89 4runner SR5, 3.0, auto (fun)
'93 xtra cab, dlx,3.0, 5spd (work truck)
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Re: Possible to Run a 5vzfe Motor With 3vze Harness and Computer?
[Re: matts]
#910880
10/15/08 01:41 AM
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Joined: Oct 2002
Posts: 15,887
Toyota & Classifieds Moderator
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Matt, you might want to go back up to the 4x4wire portal and read the 3.0 to 3.4 conversion article we wrote and check out the electrical portion. And yes, all of it's flipflopped in the engine compartment. BTW, a special thanks goes to the folks who posted their conversion experience here in order for us to consolidate info for this article; yer all awesome and generous. <img src="/forums/images/graemlins/cheers.gif" alt="" /> <img src="/forums/images/graemlins/cheers.gif" alt="" />
http://www.walkablecommunities.org/Democracy is two wolves and a lamb voting on what to have for dinner. Liberty is a well-armed lamb contesting the vote. **ubi apis- ibi salus**
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Re: Possible to Run a 5vzfe Motor With 3vze Harness and Computer?
[Re: matts]
#910881
10/15/08 04:09 AM
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Joined: Jan 2001
Posts: 11,595
Forum Moderator
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I highly doubt it. Totally different motors. MAF vs AFM, distributorless ignition with coil packs vs regular distributor, 5vz has a crank sensor and cam sensors
Really the only thing the 2 motors share in any way is the blocks.
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Re: Possible to Run a 5vzfe Motor With 3vze Harness and Computer?
[Re: matts]
#910882
10/18/08 06:18 PM
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Joined: Mar 2004
Posts: 656
Rock Warrior
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It wouldn't work..... different sensors, different wire connectors, the engine controls work differently.....
If nothing else, the 3VZE has a distributor and the 5VZFE has crank trigger ignition, which means the CPU's are set up entirely different for ignition.
'93 4Runner - 3.4L 5VZ-FE, 2" body lift, on-board-air system, custom gauge cluster, rear e-locker, electric fan, custom built front and rear bumpers, sliders, 4,88 gears...all on 33x12.5's.
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Re: Possible to Run a 5vzfe Motor With 3vze Harness and Computer?
[Re: CORunner93]
#910883
10/18/08 10:28 PM
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Joined: Jan 2001
Posts: 11,595
Forum Moderator
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Yea, what I said <img src="/forums/images/graemlins/lol.gif" alt="" /> <img src="/forums/images/graemlins/smile.gif" alt="" />
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Re: Possible to Run a 5vzfe Motor With 3vze Harness and Computer?
[Re: Adam F]
#910884
10/19/08 11:46 PM
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Joined: Aug 2003
Posts: 2,854
Roll Me Over
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I agree with adam... i think the alternator and started are the same.... bout it...
89 4Runner
3" BL, M/T locks, 33"bfg mt, bilstein, Kayline, tubebumper, toyotafiberglass panels
TBI: Elocker,3.4 w/ORS,b+b,S2Sstg2cams,arias pistons,P+P intake,TRDs/c,URDpullies+7th,downey headers,MAPECU2,WEGO WB, SupraMAF,walboro255,stg4clutch, EPaOo2 sim
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