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LS1 swap driven by Orville
Started on: 09-06-2002 08:58 AM
Replies: 27
Last post by: AgaricX on 09-11-2002 11:01 AM
Orville
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From: Bakersfield, Ca USA
Registered: Dec 2000


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Report this Post09-06-2002 08:58 AM Click Here to See the Profile for OrvilleSend a Private Message to OrvilleDirect Link to This Post
Hi forum, been working an this for more
than a year and juat drove it for a few miles
so I guess maybe I can "debut" it. Anyway,
here are some details about the swap in no
particular order.

-donor is a 98 firebird transam (wrecked).
-target is a 87 fiero gt.
-all emissions gear swapped and functioning,
including the in-tank components from the
transam.
-reverse drive starter engaging the fiero
starter ring gear from the transmission side.
-quartermaster 2 disc clutch actuated by
internal concentric slave cylinder.
-1/2" thick steel adapter using all 6 fiero
tranmission bolts.
-4 sp high geared econo trans.
-88 cradle.
-stock fiero axles.
-externally mounted vss pick-up.
-electronically temperature controlled
variable speed water pump.
-ls1 water pump converted to coolant manifold.
-stock transam exhaust manifolds.
-2 stock cats.
-2 turbo mufflers mounted in the tailpipe
position.
-2 tie rod end links bracketed to a strut
tower and to the firewall for torque struts.
-custom dash using the transam intrument
cluster.

The swap was difficult (aren't they all?),
but I was helped tremendously by all the great
information provided here on the forum - made
the swap lots easier than it would otherwise
have been.

I'll appreciate all questions, comments,
ideas, and critiques about anything
technical or mechanical; but please,
although cosmetics are important,
in this case what you see is what you get.

As I said, I've driven the swap for a few
miles. There were no strange noises,all
the gauges read correctly, and surprisingly,
there were no dtc's posted. However, at
this point I still consider the swap
tentative. I expect to have some problems
and won't consider the swap a success
until it has at least 500 trouble free miles.

The clutch also worked all right with only
slightly greater peddle effort than a
stock clutch. Of course, I paid close
attention to California Kid's advice about
not slipping it very much. Shifting through
the gears was about like stock, but it will
take some practiceto get my foot educated
for starting out in first.

Here are a few pics.

Orville

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avengador1
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Report this Post09-06-2002 09:23 AM Click Here to See the Profile for avengador1Send a Private Message to avengador1Direct Link to This Post
Do you have any more pictures of the dash? That looks awesome.
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Wichita
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Report this Post09-06-2002 09:28 AM Click Here to See the Profile for WichitaSend a Private Message to WichitaDirect Link to This Post
That is sweet. Now there are two people that hace succesfully done the LS1 swap. I just have the Duke so I can't imagine the speed and torque you are pulling.

In my regards,


One last note: Where did you get that dash kit? That is sweet.

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BUCK WILLIAMS
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Report this Post09-06-2002 09:29 AM Click Here to See the Profile for BUCK WILLIAMSSend a Private Message to BUCK WILLIAMSDirect Link to This Post
like your conversion. i have a lt1 out of a 94 trans am that i may use. plentium is a little differant from yours. i love the dash would also like to know more about it and did you use a kit for conversion?
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KissMySSFiero
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Report this Post09-06-2002 10:49 AM Click Here to See the Profile for KissMySSFieroSend a Private Message to KissMySSFieroDirect Link to This Post
I would like to see pics of where the exhaust comes out. Looks sweet. Love that dash too.

------------------
Two 88FORMULAS Red & Yellow
SSFiero@Aol.com

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jscott1
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Report this Post09-06-2002 12:44 PM Click Here to See the Profile for jscott1Send a Private Message to jscott1Direct Link to This Post
That dash is sweet!! It looks a lot like what the 1990 would have looked like. Oh and I like the engine too.

------------------

1988 Fiero - It's like an Actual Miniature Car

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Hartz
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Report this Post09-06-2002 01:42 PM Click Here to See the Profile for HartzSend a Private Message to HartzDirect Link to This Post
Congrats. Nice job. If I may ask one question, though, why did you keep the air baffles? (Not a critique, just a question!) All the f-body guys ditch those first thing for a decent air box. I would think you could fab up a cold air kit that would fit better and make more power (not that this may be a large concern at this point!)

Keep us posted!

Hartz

------------------
'84 SC 5.7L V8
'85 SE 3.1L V6 Turbo
Hartz's Toys

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Orville
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Report this Post09-06-2002 01:54 PM Click Here to See the Profile for OrvilleSend a Private Message to OrvilleDirect Link to This Post
Here's another pic of the dash. it's home made,
not a kit. Glad you guys like it.

KissMySSFiero, this is what the mufflers look
like installed.


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artherd
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Report this Post09-06-2002 02:28 PM Click Here to See the Profile for artherdClick Here to visit artherd's HomePageSend a Private Message to artherdDirect Link to This Post
That's actually a pretty darn cool tail!

Kind of TVR Tuscan like.

Congrats on the whole car, very impressive.

Best!
Ben

------------------

Ben Cannon
88 Formula, T-top, Metalic Red. (2:13.138 at Sears Point) "Every Man Dies, not every man really Lives"
88 Formula, Northstar, Silver, In-Progreess. -Mel Gibson, "Braveheart"

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Raydar
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Report this Post09-06-2002 03:31 PM Click Here to See the Profile for RaydarSend a Private Message to RaydarDirect Link to This Post
Holy Smokes!!!

Nice swap! Nice execution of all the cosmetics, too.

------------------
Raydar

ReFormulated

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Heretic
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Report this Post09-06-2002 04:13 PM Click Here to See the Profile for HereticSend a Private Message to HereticDirect Link to This Post
WOW!

That looks awesome! ...and its Smooth!

Later,
Chris

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DarkRain
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Report this Post09-06-2002 04:53 PM Click Here to See the Profile for DarkRainSend a Private Message to DarkRainDirect Link to This Post
How much for one of those dashes
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Philphine
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Report this Post09-06-2002 05:02 PM Click Here to See the Profile for PhilphineSend a Private Message to PhilphineDirect Link to This Post
i like it all, looks and performance. any front facia changes? stock wing? wingless? aftermarket idea?

------------------
Phil T.

start where you are,
use what you have,
do what you can.

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dennis_6
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Report this Post09-06-2002 05:05 PM Click Here to See the Profile for dennis_6Send a Private Message to dennis_6Direct Link to This Post
Make that dash fiberglass and offer it similar to this... http://cyco.home.cyberverse.com/fieroparts/rpa/rpaint.htm

It will sell.

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Orville
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Report this Post09-06-2002 06:00 PM Click Here to See the Profile for OrvilleSend a Private Message to OrvilleDirect Link to This Post
Hi Artherd, Thanks. Maybe we could compare notes when you start working with your quartermaster clutch and slave?

Hartz, I wonder what rational the gm engineers
have for that airbox/resonator/donkey-dong thing, other than to take up space in the engine compartment? I'm using it because 1) it was there and 2) because, for now, it provides a more stock look for when I have to have it
checked by the carb ref's. Right now I still
have several months to go before my next
mandated smog check.

Orville

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LS1swap
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Report this Post09-06-2002 06:13 PM Click Here to See the Profile for LS1swapClick Here to visit LS1swap's HomePageSend a Private Message to LS1swapDirect Link to This Post
Hey Orville nice job they drive nice don't they.... I wished we lived closer.. You definitely did do some things different. Where did you put your water pump, and what kind did you use? Would it violate your CA. emissions to us the K&N. I see you flipped the fuel rail and vapor vent lines as well. are you still running the vapor line through the throttle body? I know allot of people bypass that. No carburetor icing in CA.( I don't mean plug it off for it lets steam off the top of the heads but not run the hose through the throttle body) I surprised you haven't thrown the codes for skip shift solenoid, and reverse inhibit solenoid. You can place a 4.9K resistor in each should fool the PCM. I imagine I am throwing codes left and right. (egr inop, egr pintle pos. Fuel quantity indicator, EVAP canister solenoid, low engine temp Vs time, and no rear O2's) haven't noticed any driving differences though. I plan on getting the PCM reprogrammed.

I have ran into just a couple problems so far.... Alt belt loose (easy fix) and fuel pump started loosing pressure. Will be driving it to fieroama Sunday we will see if I have any more. Once again great job... Love the f-body dash

edit... We must have been posting at the same time ... You just answered my question on the air box

[This message has been edited by LS1swap (edited 09-06-2002).]

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LS1swap
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Report this Post09-06-2002 06:26 PM Click Here to See the Profile for LS1swapClick Here to visit LS1swap's HomePageSend a Private Message to LS1swapDirect Link to This Post

LS1swap

1181 posts
Member since Jan 2001
double post

[This message has been edited by LS1swap (edited 09-07-2002).]

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California Kid
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Report this Post09-06-2002 07:17 PM Click Here to See the Profile for California KidSend a Private Message to California KidDirect Link to This Post
Congrats Orville!!! Big Thumbs Up
Tremendous amount of work involved!!!

------------------

Click to Listen!

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GTFiero1
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Report this Post09-06-2002 10:21 PM Click Here to See the Profile for GTFiero1Send a Private Message to GTFiero1Direct Link to This Post
More pics of the rest of your car! Taillights arent my style but definately unique! very good job on the swap. Seems like you do good work for fiberglass, you could custom make a beauty cover if you wanted to

------------------

--Adam--
1987 Blue GT 5-speed
IM AOL: GTFiero

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Leper
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Report this Post09-07-2002 03:15 AM   Send a Private Message to GTFiero1Direct Link to This Post
Aren't you the guy that had that green fiero with the truncated front end?
Did the LS1 car used to have a speaker grille looking rear taillight setup on it?

Anyways, nice work on the LS1 swap.

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Orville
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Report this Post09-07-2002 10:25 AM Click Here to See the Profile for OrvilleSend a Private Message to OrvilleDirect Link to This Post
Thanks for the encouragement, I need it and
appreciate it.

LS1swap, yes, Allen, it's too bad we're not
neighbors. The water pump is Davies Craig with
the electronic controller. it's located at the
bottom of the radiator on the outlet side. The
throttle body is as it was. I bypassed the shift solenoids with resistors. I think the reverse lockout takes twice the resistence to give the pcm the correct feedback. Yeah, I don't understand it either about not getting dtc's. We might both be running in open loop, but doesn't the pcm post codes anyway? The K&N
will be ok, in fact, I've puchased one - thanks for the part #.

Leper, yes, no, thanks.

Philipine, GTFiero1, here are some other pics
of the car.

Orville

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2.8-4spd
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Report this Post09-07-2002 12:35 PM Click Here to See the Profile for 2.8-4spdSend a Private Message to 2.8-4spdDirect Link to This Post
I need more details on how you did the body work. Do you have any build pictures? Looks great!
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Wipe0ut
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Report this Post09-07-2002 04:09 PM Click Here to See the Profile for Wipe0utClick Here to visit Wipe0ut's HomePageSend a Private Message to Wipe0utDirect Link to This Post
Holy mother of Jebus.. very nice work on that car. It does remind me of a TVR Tuscan. I really like your dash, as well.

I bet that thing is fuuuuun on the road.

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Report this Post09-10-2002 12:53 AM   Send a Private Message to Wipe0utDirect Link to This Post
Bump, for bumps sake.
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dosed
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Report this Post09-10-2002 02:01 AM Click Here to See the Profile for dosedClick Here to visit dosed's HomePageSend a Private Message to dosedDirect Link to This Post
Orville, you don't happen to have another Fiero (stock) to park it next to and take some pictures do you? I'm wondering how much shorter that front end is. I have plans on doing something similar, and am interested in a comparison. Also, care to show some 'hood off' pictures, and let us know what (if anything) you cut away or relocated in the forward area there? Thanks.

- dosed

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G-Nasty
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Report this Post09-10-2002 05:43 PM Click Here to See the Profile for G-NastyClick Here to visit G-Nasty's HomePageSend a Private Message to G-NastyDirect Link to This Post
ORVILLE: The Fiero gods will be pleased...your sacrifice & effort will not go unnoticed. I believe that futuristic creation resembles the goddess Fieronia (Part fiero GT & part shellfish).
Actually it resembles the new Lexus 2-seater convertible. In any case its a beautiful car-and a masterpiece.
Good Luck w/ the debugging my brotha'-
OUT>
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Orville
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Report this Post09-11-2002 10:43 AM Click Here to See the Profile for OrvilleSend a Private Message to OrvilleDirect Link to This Post
2.8-4sp, dosed, here's a pic of when I was just
starting to build the plug. It shows how far
back the frame was cut and also the radiator
position. My camera is loaned out, when I get it
back I'll take a shot of the car as it is now
with the hood up.

Orville

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AgaricX
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Report this Post09-11-2002 11:01 AM Click Here to See the Profile for AgaricXClick Here to visit AgaricX's HomePageSend a Private Message to AgaricXDirect Link to This Post
Sooooooo.....

Would the next logical step be an LS6?

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