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3.4 DOHC RWD?


fastbird232

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Let's say I want to pull the motor on my '95 GTP and throw it into, say, a '90 S-10.

 

1) Any way to flip the intake around so the throttle body faces the front?

 

2) What trans would I need?

 

3) Motor mounts, accessories, etc.?

 

My dad and I put a 454 into such a truck, so I'm up for a challenge. I'm looking to build something different to compete with him (his is a smog motor anyway).

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1 i think its possible as i have had 2 off but i believe there are issues with a couple of coolant passages, and rerouting wires etc.

2 you would need a 60* belhousing RWD trans from a 2.8L/3.1L etc camaro/2wd s10's etc (pref mot a later PCM controlled one.

3most of that would have to be custom dep on if your keeping the s10 heater AC box etc etc etc. but you could start with 2.8/3.1L mounts accesories etc.

 

or you could Turbocharge a SBC and drop it in.....

this is my 71 400cid turbocharged sbc that will be going into my 74 Nova.

turbo400chevy2.jpg

good luck!

regards, James

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mounting the thing would be very hard because theres no mounts on the motor for RWD application. The sump would have to be figured out and the TB would be facing the firewall, but it would be a cool swap.

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Yeah, it would be really bad ass (and, as far as I know, totally unique), and would completely justify the time and effort. I'm just wondering how MUCH time and effort, know what I mean?

 

ANY way to mount it in there?

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Also isn't the starter in a different spot on the RWD blocks? The upper intake manifold might be able to rotate 180*. But even better, make a new upper intake manifold. :D

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theres no holes on the block 2 put the mounts on

 

There are the same holes that are on the 2.8, and the 2.8 bolts in.

 

Remember, as far as outside dimensions and configuration goes, the 2 blocks are all but identical.

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Also isn't the starter in a different spot on the RWD blocks? The upper intake manifold might be able to rotate 180*.

 

I don't know about the starter location, but you'd obviously leave it where it is on the 3.4.

 

The UIM cannot swing 180*.

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I saw a Fiero once that had a sheetmetal..well, it was about the size of a mailbox, intake and a seperate TB on an LQ1. Maybe that'd be easier than trying to ghettofab the stock upper plenum.

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I don't know about the starter location, but you'd obviously leave it where it is on the 3.4.

 

The UIM cannot swing 180*.

The reason why I mentioned the starter location is becuase it might not have clearence if it's on the opposate side where the RWD has it.

 

Forget how the 91-95 UIM is but thinking about it more. I think the 96+ UIM will probably be able to.

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I don't know about the starter location, but you'd obviously leave it where it is on the 3.4.

 

The UIM cannot swing 180*.

The reason why I mentioned the starter location is becuase it might not have clearence if it's on the opposate side where the RWD has it.

 

Forget how the 91-95 UIM is but thinking about it more. I think the 96+ UIM will probably be able to.

 

Some of the bellhousings available have starter pockets on both sides(82-92 or somewhere along that line...there are old posts on the 60* board about this). Either way, it doesn't matter unless you need to switch the starter around for your application due to space issues. Also with using the bellhousing w/ dual pockets, I think it's best to use the 3X00 gear reduction starters since they're smaller and might be a direct fit(some of the bellhousings require you to do a little grinding for starter fitment as far as I can remember).

 

Some of you from the chatroom/etc. already know I have a rwd DOHC swap planned. At first, I was going to do this in a late 80's/early 90's Volvo, but now I've decided to keep it GM. I'll probably look for a 88-92ish Camaro or Trans Am/Firebird for my swap. Hopefully I can get one of those with the V8/5spd(Borg Warner T5) as I plan to use the V8 T5(for now, I'll probably leave it stock until I have problems with it..then I'll rebuild it myself with better parts or opt for one of the readily available aftermarket ones) and bolt the proper bellhousing to it to match up to the 3.4's pattern(there is at least one aftermarket bellhousing for this purpose in which you can choose the GM V8 T5 or a Ford V8 T5 to use.....the aftermarket T5's that can handle a great deal of power would be a nice choice if you plan on some radical modifications).

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I doubt your 3.4L DOHC will ever get to the point where the T5 won't be able to handle the power. My buddy and me built a 383 stroker making about 480hp to a T5, and it has 12,000 miles on it so far with no issues, and it gets run at the track every other weekend.

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I doubt your 3.4L DOHC will ever get to the point where the T5 won't be able to handle the power. My buddy and me built a 383 stroker making about 480hp to a T5, and it has 12,000 miles on it so far with no issues, and it gets run at the track every other weekend.

 

The stock T5's are pretty stout, but there are a ton of mildly modded 5.0 mustang guys that have killed their T5's. Most of them are making good torque and launching hard on slicks though. My brother's 92 GT makes in the neighborhood of 400whp(judging by track times vs. full weight car..traps 117mph) and still retains the stock T5(64K on it). It has had a good 20 track runs with dr's/slicks with no issues..but the car hasn't seen any hard launches yet at the track(leaves the line ~2-3K).

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Yes it does matter what side the starter is on...S-10s have a device called a steering wheel...in order to connect it to parts that are used to steer the truck, a shaft is used...and with the starter on the wrong side, PITA fabrication is required.

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