turbo complexites?

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turbo complexites?

Postby Guest » Mon Oct 31, 2005 5:43 pm

so i see alot of 3400 turbos on here but i want to boost a 3.1 and place of my 2.8 in my 89 gt.. so what do i have to look out for.. any one have pics and tips for a setup?? im looking at a 14b turbo out of a first gen dsm



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1988GTU
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turbo complexites?

Postby 1988GTU » Mon Oct 31, 2005 10:36 pm

I am charging my 2.8MPFI in my base Beretta.  The only issues for me is the auto trans mount and the fuel pump.  The lines for the fuel tank were so rusty that they just crumbled when I bumped teh lines.  
You'll need a bettter fuel regulat. and a high volume fuel pump possibly a secondary ECM to do it half way decent.


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Guest

turbo complexites?

Postby Guest » Tue Nov 01, 2005 9:51 am

gtu.. do you have any pics of this setup or its progress?.. how hard was it to make the header?



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RebelGT
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turbo complexites?

Postby RebelGT » Tue Nov 01, 2005 11:10 am

do more searching, there's a turbo 2.8 on here, and GM made a factory 3.1 in the Turbo Grand Prix.



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1988GTU
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turbo complexites?

Postby 1988GTU » Tue Nov 01, 2005 11:49 am

(del_sol_86 @ Nov. 01 2005,10:51)
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gtu.. do you have any pics of this setup or its progress?.. how hard was it to make the header?

Not right at this moment, but I should have images up within two weeks.  That's when I get just about all my parts all fabbed up.



Email me in a week & I'll have something to link you.
adidas1232016@yahoo.com


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turbo complexites?

Postby Ribz80 » Tue Nov 01, 2005 11:52 am

For the lucky 92-93 3.1's, a complete TGP turbo setup is a direct bolt on.  Find one in the junkyard and get everything you can.  Thats what I have and included in the kit was every hose clamp and fitting including an extra new oil pan so I can have it fitted for the oil return line bung.

Problem is for the 88-91 cars, the TGP crossover will not fit with that mount.  So you have to either modify the crossover(mine is mint so I dont think I want to cut it up) or have one custom made to sit near where your battery would be(has to be relocated to the trunk).

Curtis Walker did this in his first Cav in the late 90's and it worked rather well.  It was about as fast as his freinds Z28 6spd.  Take a look at www.turboz24.com


91' GT  SOLD
99' Saab Viggen Stg-4 315hp- in European Car Magazine  7/2006

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berettaspeed
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turbo complexites?

Postby berettaspeed » Wed Nov 02, 2005 12:32 am

Damn that cursed mount....... but i got around that. buy a cheap welder.make your own crossover.

probelm solved.


Best ET 14.313@95.37 N/A
Best MPH 14.438@95.71 N/A
89GT 5spd
3400MPFI & Boost
:wave

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TurboGTU
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turbo complexites?

Postby TurboGTU » Wed Nov 02, 2005 2:56 am

Curtis W. friends Cavi station wagon is a good example of a costom made x-over ment to clear a 5spd with the dreaded mount thats found on all j/L body cars with the 2.8s auto or 5spd.


88 IMSA Beretta GTU w/McLaren TGP turbo system. Crane 260 cam, Ported heads...Lots more. Soon Bullet proof 3t40.
90 Black Turbo Grand Prix  -- The restoration project.

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turbo complexites?

Postby Guest » Wed Nov 02, 2005 7:35 am

thanks for the help so far.. im looking to make enough power to make my friend with a integra shup up.. he talks so much smack.. that and i love the sound of turbo spooling



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turbo complexites?

Postby z284pwr » Wed Nov 02, 2005 1:09 pm

You may run into some spacing and room issues if you want to use a 14B turbo, I would know......

The size of the turbo after you get the o2 housing bolted on is A LOT larger than a TGP T-25 Turbo.  Oh yeah, and after the O2 Housing is bolted on, your exhaust outlet is going to be shooting the wrong way if you want to put the turbo in the engine bay.  It will end up wtih it pointing straight down where you need it to be shooting backwards *horizontal, not vertical.  Next problem will be with compressor outlet, shooting upwards, right into your hood, so you would have a major 90* bend to make it work.

You best bet is to go with a different turbo unless you want to attempt what I did and what the 2.8 Turbo setup does and have the turbo behind under the firewall.  Then you have to worry if you can get it high enough for the turbo to drail the oil or use a scavange oil pump, and hopefully get the exhaust out the back without getting in the way of the sway-bar.


Brian Edwards
'73 Trans Am - 455/Auto
'79 Suburban - 454/Auto
'88 Beretta GT - 3.1/5spd
'90 Beretta Indy - 3.1/Auto
'90 TGP - 3.2 Turbo/Auto
'04 TSX - 2.4/Auto

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berettaspeed
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turbo complexites?

Postby berettaspeed » Wed Nov 02, 2005 8:58 pm

but can;t he rotate the housings??? thats what i had to do to mine???


Best ET 14.313@95.37 N/A
Best MPH 14.438@95.71 N/A
89GT 5spd
3400MPFI & Boost
:wave

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turbo complexites?

Postby I-GOT-BOOST » Wed Nov 02, 2005 9:14 pm

(berettaspeed @ Nov. 02 2005,19:58)
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but can;t he rotate the housings??? thats what i had to do to mine???

Yes.  All he has to do is loosen up the bolts on the housings and rotate the housings until they are pointing in the right direction, and then tighten the bolts back up.  The center section doesn't care at all about the orientation of the housings.


Quote of the week:

"A cam is only too big if it won't go into the block, and a turbo is only too big if you can't close the hood."

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1988GTU
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turbo complexites?

Postby 1988GTU » Wed Nov 02, 2005 10:07 pm

I can turn mine too, but then I'd have to fab up an actuator mount.  
I might want to fab that mount now  :(  .






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turbo complexites?

Postby nocutt » Wed Nov 02, 2005 10:28 pm

Warning: This isn't theory  :p
The mitsubishi turbos are not like the garrett turbos in regards to housing been clocked...
* the 14b have a jacked up setup...they require a circlip to remove the band clamp holding the housing to the CHRA
* also you are completely at the mercy of the internal W/G as far as clocking...you don't want the actuator to be too 'misaligned'...
good luck...



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turbo complexites?

Postby 1988GTU » Wed Nov 02, 2005 10:45 pm

Sooo am I safe to turn it?


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