V6 Discussion and questions about the base carbureted or MPFI V6's and the rare SFI Turbo V6.

3.1 to 3400 worth swapping?

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Old Mar 10, 2011 | 11:30 PM
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Gabe10's Avatar
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From: St. Johns AZ
Car: 91 RS
Engine: 3.1l
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Axle/Gears: 3.23
3.1 to 3400 worth swapping?

Ok so heres the deal. A buddy of mine has a 3400, tranny, and computer that he wants to sell to me for 200 bucks. I was wondering would it be worth the 200 or save up and get a larger engine?
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Old Mar 11, 2011 | 10:00 AM
  #2  
torque_is_good's Avatar
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Re: 3.1 to 3400 worth swapping?

Originally Posted by Gabe10
Ok so heres the deal. A buddy of mine has a 3400, tranny, and computer that he wants to sell to me for 200 bucks. I was wondering would it be worth the 200 or save up and get a larger engine?
does your 3.1 currently run? If so, keep with the status quo.

If you just need to drop in an engine to keep the car running then you might consider it but $200 might be all that it's worth.
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Old Mar 11, 2011 | 04:09 PM
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From: Littleton, CO USA
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Moving this to the V6 forum. Figure you'll get a more usable answer than you would on the Engine Swap forum.

First question, what is the 3400 out of?
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Old Mar 11, 2011 | 06:26 PM
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Re: 3.1 to 3400 worth swapping?

$200 is not bad, especially if it runs and is in good shape.

Most people will build hybrids using the top end off a 3400 and pistons from a 3400, installed in a 3.4 block (from the '93 to '95 F-body).

There are some significant differences between the FWD and RWD 660. As far as mounting is concerned, this would be the starter is on the opposite side. and the mount pads are quite different.

The front cover and belt driven accessories are different and requires some plugging of holes and such to use the RWD cover on the FWD block.

There are a few threads around on swapping the complete engine and building hybrids.
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Old Mar 12, 2011 | 12:25 PM
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Re: 3.1 to 3400 worth swapping?

And what do you plan on doing with it?
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Old Mar 12, 2011 | 10:06 PM
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Car: 87 IROCZ Z28
Engine: 3900V6 GT4088 intecooled
Transmission: TH350
Axle/Gears: 3.45 MSF Spool
Re: 3.1 to 3400 worth swapping?

check out my thread. there's alot of fab work required. Not a weekend swap for sure.
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Old Mar 13, 2011 | 01:45 AM
  #7  
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From: St. Johns AZ
Car: 91 RS
Engine: 3.1l
Transmission: 700r4
Axle/Gears: 3.23
Re: 3.1 to 3400 worth swapping?

My 3.1 runs pretty well for 200,000 miles. I just want some thing with a little more pep. The 3400 will come out of a 95 Camaro with half the miles my current engine has. Also, the 3400 engine has been rebuilt a few years ago but was parked some time afterwards do to a careless teen taking target practice at the car.
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Old Mar 13, 2011 | 07:28 AM
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Re: 3.1 to 3400 worth swapping?

If it's coming out of a stock Camaro, it's a 3.4, not a 3400.

3.4 is RWD and is pretty much a bolt into the 3rd gen, in place of the 2.8 or 3.1.

3400 is FWD and not a bolt in.
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Old Mar 14, 2011 | 06:59 PM
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Re: 3.1 to 3400 worth swapping?

Originally Posted by Six_Shooter
If it's coming out of a stock Camaro, it's a 3.4, not a 3400.

3.4 is RWD and is pretty much a bolt into the 3rd gen, in place of the 2.8 or 3.1.

3400 is FWD and not a bolt in.
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