I saw this in the v6 sticky, I didnt want to post my question in there so here it is. Guys use you better judgement, that didnt belong in there. Any way.
What the he%$ is a 3.1 euro? I was thinking it was a 3.1 out of a Lumina Euro sport. But thats not a 3400 as was said in the response read.
And a DOHC engine? The only DOHC v6 I know of that would be even close to this would be the 3.4 DOHC engine that was used in the lumina z34 and monte carlo. That sucker will run but i doubt it will fit in our J's.
Ay one else have any clue what they were talking about?
01 cav w/01 3400 gam gt 4t45e
Joe, the 3.4 DOHC was used in the cars you mentioned above, and it was considered a very unreliable engine. I'm sure that this engine would require a whole lot more fabrication than the 3400, although I have heard of one or two guys doing the 3.4 DOHC swap in 3rd gen J's.
I think the DOHC engine put out 215hp from the factory, no doubt a stout engine, but considering the 3400 is a much more compatible engine with the J Bodies, if I was looking for 215 HP (which is very close to my goal of 220) I'd go with the 3400. Do a 3500 top end swap, Port & Polish, Cold Air Intake, Complete Exhaust, Cam, 65mm TB, and maybe supercharger.
Yeah I know about the 3.4 DOHC.
Kardain , Im still looking at that page, That van engine has the F body heads and intake. Im assuming they put the dished pistons in also.
I noticed that they are also sayin that the 3.4 was put in s10's in 99, never seen one of those before.
That guy has to be messing with us with that original Question.
01 cav w/01 3400 gam gt 4t45e
The original Question.
Okay, probably a stupid question...but what's the diff' between:
3.1 Euro engine and 3400?
Yes, I'm that completely mechanically-retarded.
Is $250 for running 3.1/3400 a good price?[/color]
01 cav w/01 3400 gam gt 4t45e
Quote:
I noticed that they are also sayin that the 3.4 was put in s10's in 99, never seen one of those before.
Sounds like a typo. I think they mean 4.3
Probably 4.3 Vortech, as the normal 4.3 had been around for a while. At one point though GM did start selling a crate motor. Iron head 3.4 that was designed as a replacement for the old S-10's that had a worn out 2.8.
As for the 3.1 Euro engine. I'm pretty sure it's just a 2nd gen motor. Your normal 3.1. Euro Sport is a suspension package.
Ok, first off, sorry for posting on the sticky...I was so involved reading I forgot where I was...
Second...the engine I'm talking about IS from a Lumina Euro Sport...says "3.1"
I think these were put in second gen' Cavaliers? I know the Z-24 had them also...was wondering what the diff' was in engines, since I found a place that has 6 of them...along with 14 3100's, 20 3400's and 17 3800's. The 'swap' thing sounds interesting, since I'm building a 'show' '96 Sunfire and every distinct additive helps with the points!
So, along with weird questions...how about twin turbos on the swap?
I also have scavenged 9 HO intakes and am going back with the part numbers I got from the "secret cams" sticky to see how many of those I can round up. I figure I'll port and polish them (not me, a race shop nearby), clean them up and sell them...if it would be worth the trouble?
Sorry for all the noobness but I'm a journalist, damn it, not a mechanic! ...and thanks for the answers and PMs explaining the diff' in engines.
Be safe!
Thanks Quik'...like I said...journalist...not a mechanic...lol. That's why I ask...you guys are WAY more informed than I.
Someone said they were having a hard time finding 3400's...I have found a ton of the 3100, 3400 and 3800's...and I can get them pretty cheap...so if anyone wants one that you know of and is having a hard time, let me know, throw some numbers my way so I know I'm looking at the right engines. Later! Thanks again!
How about the larger v6...3.9 isnt it? from what ive seen they are externally identical to the 3500, and dont they make something around 245hp stock, with about the same amount of torque? That would be one mean cavi.
Side question...what, if anything, are you guys with the v6 swaps doing about the dramatic incease in weight on the front suspension?
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Ronin J wrote:How about the larger v6...3.9 isnt it? from what ive seen they are externally identical to the 3500, and dont they make something around 245hp stock, with about the same amount of torque? That would be one mean cavi.
Side question...what, if anything, are you guys with the v6 swaps doing about the dramatic incease in weight on the front suspension?
Depends on what you're doing. In my case I want to do the 3500 top end swap for some more power. They wont work on a 3100 engine though because the bore is too small.
The 3900 is identical to ONE of the 3500 engines. There are 2 3500's. You have the VVT engine and the non-VVT engine. 3900 is identical to the VVT version. The non-VVT version is very close to the 3400 engine.
For your side question. Nothing. There isn't a dramatic increase in weight on the front suspension if you've read that post enough. The 3400 engine isn't really that much heavier than the 2.2. So, you can't even tell that the 3400 is in there until you put your foot into the gas. At which point you'll compress the rear suspension hardcore from all the available torque. I don't into autoX or any of that so it's not been seriously pushed in turns to see what the effect is, but for normal driving it feels exactly the same.
Then again, if you think about it. Auto trannies are heavier. So 2.2 + Auto uses the same suspension. So you're even closer to what the max. the suspension holds stock when you run 3400 + 5spd.
With my auto swap you can tell something was different with weight. It rides alot smoother than with the 2200. Well it did until I put the 17's on it.
01 cav w/01 3400 gam gt 4t45e
