Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

For those wondering if a 3800 Series II swap is possible (pics)

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Old Mar 22, 2004 | 01:21 AM
  #1  
Project: 85 2.8 bird's Avatar
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
For those wondering if a 3800 Series II swap is possible (pics)

Some of you have seen the pics here, others at the cardomain site. Here's what I have so far, about 80% done:

1) How to do the heater hose delete option (yes, those are expandable freeze plugs)


2) WHere to put that stinking PCM (yes, that is a liscence plate


3) Overall frontal shot


4) How the radiator hoses go (yes that is the bottom 3800 hose I'm using for the top)
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Old Mar 22, 2004 | 11:24 AM
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ShiftyCapone's Avatar
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From: Cincinnati, OH
Car: '90 RS
Engine: 377 LSX
Transmission: Magnum T56
Hey that looks really slick? Is the motor stock or did you dive into it with any internal stuff.
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Old Mar 22, 2004 | 11:28 AM
  #3  
Project: 85 2.8 bird's Avatar
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
all stock for now, whenI get back from Iraq, I'm gonna get some goodies for it, mainly new rockers from zzp/intense-racing & some other stuff if wife hasn't claimed all that extra income (read: I might bottle feed it )
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Old Mar 22, 2004 | 02:16 PM
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From: SW Michigan
stay away from Intense
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Old Mar 22, 2004 | 03:39 PM
  #5  
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From: Annandale, VA
Car: 1991 Formula Firebird
Engine: 2001 LS1 Modded
Transmission: 2001 4L60E Yank SS3600 TC
I smell twin turbos!

http://www.trcperformance.com/OtherV...s/turbo-gn.wmv

:hail:

What's the deal with the heater bypass? Why won't the hoses fit? You may have a problem with trapped air in the current configuration.

Last edited by wm_sorg; Mar 22, 2004 at 03:42 PM.
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Old Mar 22, 2004 | 05:27 PM
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From: Littleton, CO USA
Car: 82 Berlinetta/57 Bel Air
Engine: L92/LQ4 (both w/4" stroke)
Transmission: 4L80E/4L80E
Axle/Gears: 12B-3.73/9"-3.89
Yeah, that twin turbo looks real street- and emissions-friendly...

Too bad the radiator hoses are both on the driver's side. I'd think a V8 radiator would be in order.
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Old Mar 22, 2004 | 06:18 PM
  #7  
Project: 85 2.8 bird's Avatar
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
I have to get the heater hoses from a dealer, in the mean time, it will work. THere is a bypass hose hidden behind alt you caint see unless hunting for it. The 4th gen V6 radiator has the hose hookups opposite as mine, so I just used my lower hose & straightened it some to reach, and the 4th gen lower to be teh upper hose. THere is a turbo kit & powerdyne kit out there for the 3800 cars, but I like my wife & family too much to get it (now)

Last edited by Project: 85 2.8 bird; Apr 30, 2004 at 02:25 PM.
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Old Apr 27, 2004 | 12:10 AM
  #8  
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
She Rides!!!!!!!!!!!!

Update!!!!

And props to all you LT/LS 1 swapers, our harness's are more alike than you think, and, along w/your posts, contributed to helping me track down the gremlins in my swap.

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Old Apr 27, 2004 | 09:57 AM
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From: Staunton,illinois
Car: 1966 impala , 1998 sebring vert,1978 buick regal turbo, 1991 chevy silverado 3/4ton 4x4 lifted
Engine: 283, 2.5,3.8 turbo 350
Transmission: powerglide,auto overdrive, th350,4L80
hey now thats a cool swap man i like to see the different ideas everyone comes up with ....my next project hopefully will be a big block third gen if i can find a decent rolling shell to start with anyway keep up the work lookin awsome man
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Old Apr 30, 2004 | 01:12 PM
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From: NJ/PA
Car: Yes
Engine: Many
Transmission: Quite a few
so, some details......

its a series II engine in that car. You spun the intake 180 degrees and it fit OK? do you know off hand if the intake pattern is the same as the seriesI 3.8L? I'm thinkin of making a sort of GN style 3.8L with a series II intake, if it will fit. better than the crappy 85 GN intake I already have.

how bout the motor mounts? and the bellhousing pattern, did you have to modify anything there?
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Old Apr 30, 2004 | 02:24 PM
  #11  
Project: 85 2.8 bird's Avatar
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From: BFE, MD
Car: 13 Ram 1500/ 78 Formy
Engine: 5.7 / 7.4
Transmission: 6sp / TH350
Axle/Gears: 3.55 posi / 3.23
The engine/tranny/pcm & harness are from a 95 Camaro. They got the 3800Series II in late 95 only in Cali. THe Intake is in the same orientation as in the 4th gens. I only had to have the block to mount brackets fabbed up to keep it in place. Tranny is a perfect fit underneath, just think 7004-R, just different name. I did replace the oil pan "gasket", rear main seal, and upper intake gasket while the engine was out.

Belive it or not, the V6 4L60E has the same bellhousing bolt pattern as the 2.8~3.4 bolt pattern. I just choose to use the 4L60E as it came w/teh package and so I wouldn't have to worry about it shifting & such w/the electronics.

Holden makes a rwd equivelent of the L67 (GTP engine), basically the L67 w/the RWD intakes. Also, the rwd & fwd blocks are the same, just different heads between supercharged & N/A applications.

Not sure if the intakes are the same, but www.clubgp.com & www.l67swap.com should have some good info on that. Pretty sure they're different though.
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Old May 1, 2004 | 07:20 AM
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From: NJ/PA
Car: Yes
Engine: Many
Transmission: Quite a few
great info, thanks for the tips! Nice job, too, alternate engine choices are always cool......good to see
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