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3.1 swap to an lq1


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Posted

I have a 91 or 92 with a 3.1 am gonna swap an lq1 with, what is needed for this swap? I already have the lq1 that has been shot pened, weight matched, balanced and studded bottom end. I am using the car for dirt track racing. So all external and internal accessories must go for weight. Any help is appreciated. Thanks guys.

Posted

I tried that and it didn't turn up anything helpful. I might be using it incorrectly but I doubt it. What i really need to know is can i use the 3.1 cpu and harness and get a chip burned for the lq1?

Posted

edit: reply removed. search for "dohc swap" and "3.4 swap" and put my name in the screen name area and educate yourself. i believe i was the first one to swap from 3.1 to 3.4 back in 2001 then i did a 90 GP in 2003 for a member here.

Posted

if it's an auto transmission, I don't know if it will be compatible. The 88-93 3.1 used the 4T60 and the LQ1's used the electronic version of the transmission. It may be possible, but that may be of interest to you.

Posted
if it's an auto transmission, I don't know if it will be compatible. The 88-93 3.1 used the 4T60 and the LQ1's used the electronic version of the transmission. It may be possible, but that may be of interest to you.

The 88-92 3.1 used the 4T60. 93 3.1 powered was 4t60-e

 

so I think you will need the tranny as well, and the entrie wiring harness, and it would be easiest to take the 3.4 pcm with it.

Posted

You'll blow a stock 282 to pieces, and the gearing isn't the most efficient or tuned for the LQ1. You'd need (or want) a Getrag 284.

Posted
You'll blow a stock 282 to pieces, and the gearing isn't the most efficient or tuned for the LQ1. You'd need (or want) a Getrag 284.

 

i beg to differ, alot.

 

the 282 goes into fieros behind L67's and small blocks and northstars and lives no problem, plus unlike the 284, it is rebuildable and servicable.

Posted

W-bodys weigh a bit more than Fieros, but I guess a good clutch and such should help it a lot.

Posted

This will be a tough swap, it would have been easier if you had a '93 with the 4T60-E already. It can be done, and if you are serious about doing it, keep us posted.

Posted

get that 282 beefed up and perhaps some different gear ratios if possible. If you put the 282 in stock, you'll be replacing it in no time at all.

Guest TurboSedan
Posted

you guys saying the LQ1 will "blow the 282 to pieces" or "will be replacing it in no time" have no idea what you are talking about period :roll:

 

please take the LQ1 off that high pedestal you've put it on....

Guest TurboSedan
Posted

sorry...i was being a bit harsh :oops:

 

still...i think the whole issue of what a 282 can or can't take is up to people that are making alot of power (and ecspecially lots of torque). i don't like seeing people talking down on the 282 when they haven't even used one. it's just not fair to claim it's going to explode when mated with an LQ1, ecspecially when there are quite a few people using the 282 with a helluva lot more hp/tq than what an LQ1 will throw at it. to be honest though, mine has not seen over 5500 RPM. IMHO as long as you aren't flogging the shit out of an LQ1 and shifting at 7000 RPM the 282 would be just fine.

 

i know the the 284 is stronger, but i'd be willing to bet the 282 can handle alot more than a 4T60-E and alot more than a stock or lightly modded LQ1 can throw at it. and like patgizz said, it can be rebuilt and serviced and it is available in different gear ratios and FDR.

 

if the 284 is going to remain to be unserviceable, it's only a matter of time before it becomes obsolete IMO :(

Posted

and it is the torque that does the thrashing on a transmission and we all know of the enormous amounts of torque of the LQ1 :roll: Surprising how the 282 can handle the 150%+ torque that the 3.1 turbo throws at it yet the mighty 205 torque of the LQ1 is supposed to shred it. Then again, the 3.1T does't run the high RPMs either so who knows.

Posted
sorry...i was being a bit harsh :oops:

 

still...i think the whole issue of what a 282 can or can't take is up to people that are making alot of power (and ecspecially lots of torque). i don't like seeing people talking down on the 282 when they haven't even used one. it's just not fair to claim it's going to explode when mated with an LQ1, ecspecially when there are quite a few people using the 282 with a helluva lot more hp/tq than what an LQ1 will throw at it. to be honest though, mine has not seen over 5500 RPM. IMHO as long as you aren't flogging the shit out of an LQ1 and shifting at 7000 RPM the 282 would be just fine.

 

i know the the 284 is stronger, but i'd be willing to bet the 282 can handle alot more than a 4T60-E and alot more than a stock or lightly modded LQ1 can throw at it. and like patgizz said, it can be rebuilt and serviced and it is available in different gear ratios and FDR.

 

if the 284 is going to remain to be unserviceable, it's only a matter of time before it becomes obsolete IMO :(

Problem with that is, if you did have a LQ1/282 combo, odds are you WOULD shift it at 7000 rpm to get the most power and speed out of the engine.

Posted

The 284 is already obsolete.

 

I'm sick of people going "OH WELL TEH 282 IS PUT W/ L67'S IN FIEROS!!". Stock? Because I don't see that happening.

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