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TurboTecís 85GT LS4 build thread

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TurboTec View Drop Down
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Post Options Post Options   Quote TurboTec Quote  Post ReplyReply Direct Link To This Post Topic: TurboTecís 85GT LS4 build thread
    Posted: 10 February 2015 at 6:58pm
Hello All, this thread will document a LS4 swap into my '85 GT. The engine and transmission was a complete dropout from a 2006 Impala SS with 41K

A list of mods planned goes something like this:

DOD Delete, LS7 lifters and ZO6 camshaft with Patriot gold valve springs
Custom built Intercooler and radiator with trans cooler by IRCFabrication
Magnashift tranmission controller and Microsquirt fuel control
Stock LS4 exhaust with T66 turbocharger

This project has been on hold (In Storage) for a few years as I've moved countries, across the content from New York to Alberta Canada. Its been almost 2 years in Canada and normal is starting to return to our daily life. The car is in transit as I type and I hope to be continuing my LS4 Fiero build soon.



Edited by TurboTec
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TurboTec View Drop Down
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Post Options Post Options   Quote TurboTec Quote  Post ReplyReply Direct Link To This Post Posted: 10 February 2015 at 8:25pm
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beken View Drop Down
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Post Options Post Options   Quote beken Quote  Post ReplyReply Direct Link To This Post Posted: 11 February 2015 at 1:26pm
That's a nice looking car.   Can't wait to follow your
build.


Beken (aka Ken) - bekentech@westcoastfieros.com   Original and still the owner of an 85SE 2M6 4spd
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Post Options Post Options   Quote ARTIC-1 Quote  Post ReplyReply Direct Link To This Post Posted: 11 February 2015 at 4:28pm
HI Nice to see new members,an there Fieros.
Good choice in power,took a quick look at the LS4 an
with the Alum block, an FWD Applications,remote ELE
cooling pump,it should work out nice.Are you going to
move everything over from the doner car,or go with
what is in the Fiero. Good luck on your build.
Joe

SNOW MAN

87-GT/AUTO-2.8_ WHITE

88-TTop/ Duke-2.5. RED
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Post Options Post Options   Quote Capt Fiero Quote  Post ReplyReply Direct Link To This Post Posted: 11 February 2015 at 6:15pm
Now this is a build I have to follow, as I may be mirroring your build minus the turbo in 6 months to a year.   I'll warn ya on one thing, if you are planning on going standard trans, you will have a nightmare trying to find a clutch that is small enough to fit in the bell housing and still handle the power of a Turbo V8.  A former member of this forum built a ZZ383 with a large turbo hooked to a 6spd in the end was forced to swap out to a 4T65HD trans that was custom built with a custom controller.    IIRC Low boost was 600hp and turned up was estimated at close to 1000hp.  I don't know all the exact details but a year after it was built the car was parked and is said to be on the chopping block to be parted out.
Capt Fiero
88 Fiero GT 5spd V6
Eight Fifty Seven GT V8 5spd.
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Post Options Post Options   Quote TurboTec Quote  Post ReplyReply Direct Link To This Post Posted: 11 February 2015 at 7:13pm
Thanks guys, really looking forward to working on it.

ARTIC-1 Yes, Im using the Monte SS LS4 and the 4T65E transmission. Im going with a radiator mounted remote electric water pump to push the cold water reverse flow through the engine.

Capt Fiero, Tim at Magnashift has a kit that is perfect for this swap and that's what I'm planning to use. It offers stand alone control with full manual shift control and a launch control for the 4T65E. For the EFI Im going Microsquirt with the 24X LS1 mod and Sloppy mechanics turbo tune for start. My goal is 500 600WHP and to make it as street able as possible.

I want the car to look as stock as possible on the outside but open the hood and "Bling"... LOL

Edited by TurboTec
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Dr.Fiero View Drop Down
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Post Options Post Options   Quote Dr.Fiero Quote  Post ReplyReply Direct Link To This Post Posted: 12 February 2015 at 6:30am
Originally posted by Capt Fiero Capt Fiero wrote:

.... but a year after it was built the car was
parked and is said to be on the chopping block to be parted out.


Yup.   

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Post Options Post Options   Quote TurboTec Quote  Post ReplyReply Direct Link To This Post Posted: 12 February 2015 at 10:14am
Originally posted by Dr.Fiero Dr.Fiero wrote:

Originally posted by Capt Fiero Capt Fiero wrote:

.... but a year
after it was built the car was
parked and is said to be on the chopping block to be
parted out.


Yup.   



So was that Fiero308?

Edited by TurboTec
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Dr.Fiero View Drop Down
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Post Options Post Options   Quote Dr.Fiero Quote  Post ReplyReply Direct Link To This Post Posted: 12 February 2015 at 5:04pm
Originally posted by TurboTec TurboTec wrote:


So was that Fiero308?


Yes.
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