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Turbo LNF Ecotec Fiero Swap - A labor of love. by DimeMachine
Started on: 11-07-2020 07:12 AM
Replies: 6 (234 views)
Last post by: Dennis LaGrua on 11-16-2020 12:58 PM
DimeMachine
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Report this Post11-07-2020 07:12 AM Click Here to See the Profile for DimeMachineSend a Private Message to DimeMachineEdit/Delete MessageReply w/QuoteDirect Link to This Post
I met the owner of this LFN Fiero recently after he contacted me about a Fiero part I had for sale. We got to talking "Fieros" and shared a little with each other about our cars. Once I learned he had a LNF swap - and I saw that the car was nicely done, I had to make a Video about him and his car.

Normally my videos are just about the car.. but Dave is such an interesting fellow - so the story is also about him. After a successful career in the automotive industry- including placing 2nd twice in the highly competitive Hot Rod Magazine - Engine Masters Challange, Dave is in semi-retirement but finds time regularly to continue to build and modify his Turbo LNF Fiero.

Dave's ultimate goal for this car may surprise you. It is not drag racing, road racing or car shows. It is something many of us have thought about but will likely never do. Take a look.


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84/87 NB, 3800SC, E-85, VS Cam, 2.8 Pulley, 4T65E-HD, HP Tuners, AEM Wideband, Regal GS Gauges, S-10 Brake Booster. 1/4 mile -11.85 at 114mph

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Dennis LaGrua
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Report this Post11-08-2020 11:32 AM Click Here to See the Profile for Dennis LaGruaClick Here to Email Dennis LaGruaSend a Private Message to Dennis LaGruaEdit/Delete MessageReply w/QuoteDirect Link to This Post
That's a heck of a clean install and he seems to be running an automatic transmission but AFAIK the Megasquirt doesn't have the capability to shift them. He references using a separate shift controller w a paddle shift switch perhaps with the Ecotech 5T60 automatic? Loads of engineering time in this swap.

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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "

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Honest Don
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Report this Post11-08-2020 03:38 PM Click Here to See the Profile for Honest DonSend a Private Message to Honest DonEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Dennis LaGrua:

That's a heck of a clean install and he seems to be running an automatic transmission but AFAIK the Megasquirt doesn't have the capability to shift them. He references using a separate shift controller w a paddle shift switch perhaps with the Ecotech 5T60 automatic? Loads of engineering time in this swap.




Megashift should be able to control it. This link specifies a 4-speed but mentions up to 8 forward gears are controllable.

http://www.msgpio.com/manuals/mshift/4L60e.html


It’s just a matter of turning solenoids on and off and could “theoretically” be done a bit crude if inclined.

[This message has been edited by Honest Don (edited 11-08-2020).]

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DimeMachine
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Report this Post11-10-2020 06:54 PM Click Here to See the Profile for DimeMachineSend a Private Message to DimeMachineEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Dennis LaGrua:

That's a heck of a clean install and he seems to be running an automatic transmission but AFAIK the Megasquirt doesn't have the capability to shift them. He references using a separate shift controller w a paddle shift switch perhaps with the Ecotech 5T60 automatic? Loads of engineering time in this swap.





Thanks for the comment Dennis. It is a stand alone trans controller - seems to work quite well according to Dave!

I look forward to following his progress next summer!

[This message has been edited by DimeMachine (edited 11-10-2020).]

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pmbrunelle
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Report this Post11-11-2020 12:59 AM Click Here to See the Profile for pmbrunelleClick Here to Email pmbrunelleSend a Private Message to pmbrunelleEdit/Delete MessageReply w/QuoteDirect Link to This Post
I like MegaSquirt or other aftermarket computers; it makes the engine swap about swapping the engine hardware (i.e. crank, rods, pistons, block, heads; the fun parts), and not about making the factory computer work in a non-native environment.

Archie sold hatchback kits at some point to close the rear of the Fiero fastback. Could be handy if Dave could get his hands on one such kit.
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DimeMachine
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Report this Post11-13-2020 07:50 PM Click Here to See the Profile for DimeMachineSend a Private Message to DimeMachineEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Honest Don:


Megashift should be able to control it. This link specifies a 4-speed but mentions up to 8 forward gears are controllable.

http://www.msgpio.com/manuals/mshift/4L60e.html


It’s just a matter of turning solenoids on and off and could “theoretically” be done a bit crude if inclined.





That should work too! I like the home-made one on the toolbox the BEST.....
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Dennis LaGrua
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Report this Post11-16-2020 12:58 PM Click Here to See the Profile for Dennis LaGruaClick Here to Email Dennis LaGruaSend a Private Message to Dennis LaGruaEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by DimeMachine:
Thanks for the comment Dennis. It is a stand alone trans controller - seems to work quite well according to Dave!

I look forward to following his progress next summer!



I read the manual and that trans controller works because the PWM signal needed by various different shift solenoids can be selected and adjusted.
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