2002 Buick Regal GS Holset HX52 turbo, a/w intercooled - needs to go ASAP regretfully

rockthemullet

Forum Member
I need to free up some capital for a big investment I'm trying to put together. This means getting rid of some toys, I guess. I'm into the car for a good chunk of money, but hey... priorities.

2002 Buick Regal GS
Two tone maroon and grey
Chassis has 190k, Engine was just replaced with an 85k unit from an 04 Grand Prix (have paperwork), trans rebuilt around 160k
All season tires in great shape
Small tear on the driver side carpet, otherwise the grey leather interior is in great condition
Sliding sun roof (works)
Front bumper and hood could be replaced, previous owner hit something
Minor bump over the pass. side rear wheel, otherwise the body is in pretty good condition
Brand new alternator, belt, fluids, etc.

Mods:
Holset HX52 turbo, slight side to side play, no axial play... boosts juuust fine
Tial 38mm wastegate, 9-10psi spring
Crushed 1g DSM BOV
Custom hotside and downpipe
All new high quality silicone couplers, tbolts, and frozen boost a/w intercooler
Brand new 03/04 Cobra intercooler pump
03/04 Cobra heat exchanger
4" to 3" to 2.5" downpipe, stock catback
Everything wrapped in heat wrap
MSD 50# injectors
Super secret E85 compatible fuel pump assembly (out of a 600whp Grand Prix)
Autolite plugs (I think)
Taylor wires
Russell stainless braided turbo oil inlet/outlet lines and fuel lines
AEM UEGO Wideband
Modified LS6 valve springs (not installed)

I think that's it? I'll modify if needed.

Car starts up fine, little choppy on cold start. It needs a more refined tune (tuning through software straight to the stock ecu). Under sudden throttle it goes rich but easing into it it boosts great to 10psi when the wastegate hits. Needs a lot more timing and a lot more boost (the 52 is out of efficiency at just 10psi). I have a quick in car video of the car at 10psi, I'll try to upload it.

Needs:
A better tune.
Bumper and hood if you like aesthetics. (I have the originals, they're just not nice)
A few things under the hood could be secured (coil packs) or moved around a little better

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With the heat exchanger in place (grill fits over it)
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KBB on this car (stock) with just the chassis miles is 3,500. If I factored in the engine, it'd be 5,400. Obviously, that's unrealistic but you get the idea. I've got over 5k into this car as it sits, not considering the good old elbow grease and parts finding. Looking for $4,200 OBO for a very quick sale. Go fuck with some kids that think they're hot shit in this thing for the price of a 99 Toyota Corolla.
 
great video just for Method and Redman Da Rockwilder playing or at least it sounded like the beginning of that song. Would love to see this run with a proper tune. Who could do it and how much for? Would you consider it DD-able when all set?
 
great video just for Method and Redman Da Rockwilder playing or at least it sounded like the beginning of that song. Would love to see this run with a proper tune. Who could do it and how much for? Would you consider it DD-able when all set?

It was, indeed, Da Rockwilder, lol.

ZZP on the west side of the state is always on the leading edge of 3800 tuning but I've never worked with them. There are half a dozen guys in the metro Detroit area that tune their own cars, it's a pretty simple system (MAP based).

I would absolutely consider it DD-able, almost DD-able even as it is. I know at least 3 in the area that could DD their turbo 3800s (another Regal, and two fieros).
 
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