Ecotec Fiero Turbo - Other Cars Forum

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Ecotec Fiero Turbo
Saturday, August 11, 2007 7:25 PM
You know... it's funny. I post so much info and so many pics about my engine swap on the Fiero forum I use, but I don't bother posting any info on the site where I got most of the Ecotec related info.

In return for leaving everyone hanging... I present this:



















The complete details lie here: http://www.fiero.nl/forum/Forum2/HTML/045570.html

So... what does everyone think? It's not finished yet, and BY NO MEANS WAS THIS ANYWHERE CLOSE TO BEING EASY!

Re: Ecotec Fiero Turbo
Saturday, August 11, 2007 8:24 PM
Re: Ecotec Fiero Turbo
Saturday, August 11, 2007 9:40 PM
nice touch on the valve cover


there was a ecotec fiero at the bash



Re: Ecotec Fiero Turbo
Saturday, August 11, 2007 11:22 PM
wow thats pretty nice ... wonder how much that build cost lol




Re: Ecotec Fiero Turbo
Sunday, August 12, 2007 5:49 AM
The red valve cover is the fancy one I customized, and the stock looking one is my temp one that I can bash and scratch during the installation without worrying about it.

Now if you look at the red one, it looks like silver paint all over. The only silver paint is on the oil cap. The rest is bare, hand polished aluminum, covered in clear coat.

The Pontiac emblem is my pride and joy of this engine. I hand carved it into the cover.




As far as cost... a little over $2500 in parts, almost $500 in machinist labor costs, and the fees to use a lift/bay at the auto shop at my airbase are well over $500 so far, so it's getting over the $3k mark now, but considering I beefed the motor up to handle 500HP before breaking, and it will later be able to handle ethanol, and eventually hydrogen, it's well worth the cost, and still saves me tons of money vs. getting a newer car with the same capabilites.
Re: Ecotec Fiero Turbo
Sunday, August 12, 2007 7:35 AM
Sir you truly are Man among men.

my new hero...
are you going to pick some fights with some MR2s kick the $*it out of them
Re: Ecotec Fiero Turbo
Sunday, August 12, 2007 7:40 AM
Umm...err....uhhhh....yahhhh.......WOW. That is truly drool-worthy. Kinda makes me want another Fiasco again.




1989 Z24 Convertible - Dust Covered
2006 tC - Dust Covered, but driven more
Re: Ecotec Fiero Turbo
Sunday, August 12, 2007 7:49 AM
Yeah, what ^ he said. That is amazing, what can I say? Applause
Re: Ecotec Fiero Turbo
Sunday, August 12, 2007 8:55 AM
oh my gosh, that is amazing!!!!!





Re: Ecotec Fiero Turbo
Sunday, August 12, 2007 9:13 AM
That is absolutely awesome. GREAT work. Makes me wanna get a Fiero and do the same thing.




Re: Ecotec Fiero Turbo
Sunday, August 12, 2007 12:06 PM
Very nice! I love it.






Re: Ecotec Fiero Turbo
Sunday, August 12, 2007 5:10 PM
Nice @!#$ right there! not to thread jack... but can you drop the motor with the complete subframe in a cavy? thanks.
Re: Ecotec Fiero Turbo
Monday, August 13, 2007 7:17 AM
VERY cool....how do you intend to run this car? autox? drag? both?


Re: Ecotec Fiero Turbo
Monday, August 13, 2007 6:09 PM
I'm going to say it again. This swap is VERY DIFFICULT! On a 1-10 scale, it's a 9.5. The initial R&D alone took 3 years. A 10 would be swapping in a rotary engine, as the exhaust duct is blocked by the passenger halfshaft, making the swap impossible.

The subframe is unique to this car. The 84-87 suspensions were similar to the Chevette's though, but this is an 88, and was completely redesigned.

The tranny selections for these cars are the same as the 94-earlier J-bodies, and the adapter plate is the same one used to mate the 4T65-E to the Ecotecs for the GM drag cars. Using it in the manual configuration required some clever engineering on my part, which I'll get into later.

As far as the mounts go, the stock lower Fiero mount was to take the brunt of the weight, and the upper mount stopped engine shift... with the Ecotec, it's the other way around. The only thing to do with this swap was to make both mounts do both jobs.

As far as how I'm running the car... it's pretty much starting off as R&D into the feasibility of an Ecotec conversion kit for Fiero's (which with this difficulty, it's just not happening), and also cause I hated the stock 2.5 OHV (same as what's in the early Grand Am's) and I needed something better. The second goal is to explore alternative fuels, such as Ethanol, and later on, Hydrogen. The forced induction is what will make those two possible, yet still be able to use standard gasoline. Third goal, is to race this baby on the weekends, and enter a car show once in a while. Definitely going for drag racing to help get the motor tuned in (no way I'll drive like that on the highway), and after getting the suspension and steering perfected (the current mods are good, but could be better), I'm certainly autocrossing it too.

The final, and ultimate goal... Sport Compact Car Magazine's Ultimate Street Car Contest. Current goal is for the 2009 competition.
Re: Ecotec Fiero Turbo
Monday, August 13, 2007 7:19 PM
fieroturbo wrote:I'm going to say it again. This swap is VERY DIFFICULT! On a 1-10 scale, it's a 9.5. The initial R&D alone took 3 years. A 10 would be swapping in a rotary engine, as the exhaust duct is blocked by the passenger halfshaft, making the swap impossible.

The subframe is unique to this car. The 84-87 suspensions were similar to the Chevette's though, but this is an 88, and was completely redesigned.

The tranny selections for these cars are the same as the 94-earlier J-bodies, and the adapter plate is the same one used to mate the 4T65-E to the Ecotecs for the GM drag cars. Using it in the manual configuration required some clever engineering on my part, which I'll get into later.

As far as the mounts go, the stock lower Fiero mount was to take the brunt of the weight, and the upper mount stopped engine shift... with the Ecotec, it's the other way around. The only thing to do with this swap was to make both mounts do both jobs.

As far as how I'm running the car... it's pretty much starting off as R&D into the feasibility of an Ecotec conversion kit for Fiero's (which with this difficulty, it's just not happening), and also cause I hated the stock 2.5 OHV (same as what's in the early Grand Am's) and I needed something better. The second goal is to explore alternative fuels, such as Ethanol, and later on, Hydrogen. The forced induction is what will make those two possible, yet still be able to use standard gasoline. Third goal, is to race this baby on the weekends, and enter a car show once in a while. Definitely going for drag racing to help get the motor tuned in (no way I'll drive like that on the highway), and after getting the suspension and steering perfected (the current mods are good, but could be better), I'm certainly autocrossing it too.

The final, and ultimate goal... Sport Compact Car Magazine's Ultimate Street Car Contest. Current goal is for the 2009 competition.


You should def. look into tuning it with HP Tuners... alot of people on here are doing some amaizing things with it and I'm sure they'll be able to throw alot of maps, codes, everything you need to run boost SAFELY on the eco... just a suggestion though. That and dyno tune it with a wideband also helps alot!



Re: Ecotec Fiero Turbo
Tuesday, August 14, 2007 4:00 AM
The eco Fiero guy from the bash should talk to this guy.

Nice job on the swap and all the custom fab work.



PRND321 Till I DIE
Old Motor: 160whp & 152ft/lbs, 1/4 Mile 15.4 @88.2
M45 + LD9 + 4T40-E, GO GO GO
Re: Ecotec Fiero Turbo
Tuesday, August 14, 2007 8:13 PM
cool swap. i gotta say though, why spend so much time and money and try to make a stock pcm work, why not go with something aftermarket??? i looked at using a stock pcm when i did the eco swap in boostnbags sunbird, it just wasnt worth it, we ended up using a megasquirt in it with very good results.



Re: Ecotec Fiero Turbo
Tuesday, August 14, 2007 10:03 PM
Rusty (The Rusted One) wrote:

...That and dyno tune it with a wideband also helps alot!


Yep, already got one on the way from DIY auto tune.

sharkey wrote:cool swap. i gotta say though, why spend so much time and money and try to make a stock pcm work, why not go with something aftermarket??? i looked at using a stock pcm when i did the eco swap in boostnbags sunbird, it just wasnt worth it, we ended up using a megasquirt in it with very good results.


Never said I was using the stock ECM.



MS V2.2 board with MS1 processor, relay board, and stim board. Also using the spark upgrade out of the enrichment LED outputs.
Re: Ecotec Fiero Turbo
Tuesday, August 14, 2007 10:55 PM
well, it apears you have a stock 3rd gen wiring harness in some opf the pics. we used an ms2 and 92 down 2.2l coil packs/ignition module.



Re: Ecotec Fiero Turbo
Wednesday, August 15, 2007 5:14 PM
LOVE IT!




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