3.4 Swaps The 3.4 V6 Toyota engine

A340H 3.4 Swap #2

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Old Aug 27, 2009 | 06:08 PM
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From: Hermiston, OR
A340H 3.4 Swap #2

Okay Guys the time has come to start a thread and try and maintain it while working full time and doing my 2n'd 3.4 A340H swap. I recently acquired a 92 4Runner that has a blown 3.0 (Bad knock, and bent valves in holes 3 and 4) if it was fixable (i.e. head-gasket) i would have just fixed it. Anyway So i also Acquired a 3.4 for $200, it has a blown head-gasket. thats not to hard of a fix i figure. But with my truck down because of its frame damage. I have a complete swap sitting in it. So what i will be doing is temporarily (till i get the truck fixed) borrowing the Harness and Engine. Engine will stay perm ill put the rebuilt 3.4 in my truck after fixing it. I think u all will understand in the long run. Anyway I will try to document this swap as much as i possibly can. I will be making a T100 Conversion harness for my original swap and for the new 4runner swap, 2 total. I will document and take as many pictures as i can.

Here are pictures of the 92 4runner and the blown 3.slow.









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Old Aug 30, 2009 | 01:38 PM
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Good luck mate. Can't wait to see how it turns out. And thanks for the help with mine too!
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Old Sep 11, 2009 | 09:40 PM
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Well I pulled the engine from my truck the other-day, and managed to drop it when the chain mysteriously came unhooked. It was dark +30 and no lights by the time i set it down in front of the truck. I haven't been back to it since. So i have no idea on what kind of damage I did to the engine or the truck itself, when the engine dropped about 18 inches onto the diff. Sunday i hope to pick the engine up and bring it home to put in the 4runner.
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Old Sep 12, 2009 | 04:32 AM
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that sucks. hopefully its nothing or worse case the oil pan is dented. hopefully
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Old Sep 18, 2009 | 11:00 PM
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just a heads up, i pulled the crossover off to inspect it just to check and see. and guess what i found. Yep you got it I found a crack in that Y. it was about an inch long and was very thin but it was cracked. ill post picks up tomorrow of it after i had it fixed. So you all might want to check those crossovers again. Especially since ORS isnt around to get knew ones from.
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Old Sep 29, 2009 | 11:22 PM
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Well i figured Sunday the 27th would be a great day to drop the 3.4 in the 4runner and get the majority of this swap wrapped up. But we had a little interruption. Probably the best kind of interruption u can get but non the less it will be next week before i get a chance to drop the engine in

My Son Merik Samuel Arrived Very early Monday morning. Weighing in at 8lbs 9oz and 22in.

here he is representing for the broncos
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Old Sep 30, 2009 | 04:35 AM
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Subscribed. PM sent.

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Old Sep 30, 2009 | 09:34 AM
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Congrats Brian

Last edited by mt_goat; Sep 30, 2009 at 09:36 AM.
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Old Apr 22, 2011 | 10:32 AM
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.....Is it too late to ask what you did to make the stock tranny work?
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Old Apr 25, 2011 | 07:45 AM
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Congrats man!!
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