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 Post subject: V8 Pontiac Firefly
PostPosted: Tue Jan 02, 2018 5:16 am 
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Joined: Tue Jan 02, 2018 4:44 am
Posts: 10
Location: Canada
This is (was) a 1987 Pontiac Firefly Turbo from Canada.

I have been planning this project since the mid 1990's, and a non-running car fell into my lap for cheap in 2008. I bought an '88 Firebird as a donor for cheap in 2009. I got it on the road by fall 2017, to the tune of $2500 Canadian.


Attachments:
File comment: Car as purchased from kid.
_SC00309.JPG
_SC00309.JPG [ 2.79 MiB | Viewed 102 times ]
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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Tue Jan 02, 2018 5:26 am 
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Joined: Tue Jan 02, 2018 4:44 am
Posts: 10
Location: Canada
Second post, because I see I need to add files in reverse.


Attachments:
File comment: Frame is 2x3" 0.125" box tubing, TIG welded together.
DSC00530.jpg
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File comment: Used headers, cut up to be modified.
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File comment: Made into better headers.
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File comment: Free radiator - split tank, but good core.
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File comment: Made into better radiator.
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File comment: Not much foot room.
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File comment: More refrigerator white sheet metal.
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File comment: Primered, ready for seam-sealer.
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File comment: Painted.
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File comment: GM fuel injection spliced into Suzuki chassis.
IMG_20170705_172347528s.jpg
IMG_20170705_172347528s.jpg [ 579.68 KiB | Viewed 108 times ]
File comment: Fabricated fuel tank.
IMG_20170723_142056987s.jpg
IMG_20170723_142056987s.jpg [ 486.41 KiB | Viewed 199 times ]
File comment: Moving fuel filler door.
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IMG_20170727_172931000s.jpg [ 538.71 KiB | Viewed 122 times ]
File comment: Shortened Firebird driveshaft.
IMG_20170904_161456661s.jpg
IMG_20170904_161456661s.jpg [ 478.44 KiB | Viewed 106 times ]
File comment: Putting the interior together. Not happy with the console, but it's where it is for now.
IMG_20170912_232455397s.jpg
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File comment: Under the hood. Not exactly service-friendly.
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22384152_10159411624010537_7418548089187393438_o.jpg [ 322.43 KiB | Viewed 120 times ]
File comment: Maiden voyage.
fiendish-firefly-maiden-voyage-1038x576.png
fiendish-firefly-maiden-voyage-1038x576.png [ 968.54 KiB | Viewed 90 times ]
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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Tue Jan 02, 2018 5:31 am 
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Joined: Tue Jan 02, 2018 4:44 am
Posts: 10
Location: Canada
I forgot to add a pic of the suspension.


Attachments:
File comment: 4-link, GM 7.5" axle narrowed nine inches.
DSC01973.jpg
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File comment: Fabricated a-arms, eBay coilovers, S10 spindles, Chevette steering rack.
DSC02391.jpg
DSC02391.jpg [ 532.98 KiB | Viewed 117 times ]
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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Tue Jan 02, 2018 9:45 am 
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Joined: Fri Sep 03, 2010 10:41 am
Posts: 1367
Location: Bunya QLD 4055
Nice fabricating, do it yourself? I was looking for where the throttle cable entered the firewall and only saw extractor headers, will it get hot? Any plans to feed cold air to the intake? Is the fuel tank inside the cabin?

_________________
If "X" is an Unknown quantity, and a Spurt is a drip under pressure, then an "EXPERT" is an "Unknown Drip Under Pressure".
Why dont they just call it "Womenapause" instead.


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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Tue Jan 02, 2018 10:18 am 
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Joined: Tue Jan 02, 2018 4:44 am
Posts: 10
Location: Canada
Yes, I did all the fabrication myself. That's partly how I keep costs down.

The Suzuki throttle cable comes out of the firewall near the master cylinder, snakes around, and connects to the throttle bracket by the throttle body. I did fabricate an extension, though.

I haven't decided about cold air yet. I could fabricate some sort of hat and remote mount the filter, or I could duct air from the intercooler slot up to the filter. Or I could better seal off the cowl ducting to the filter. Or a couple eBay T3/T4 turbos might work really well too. But that would add to the budget some.

The fuel tank is in the back, but separated from passengers by sheet metal, as required for safety.


Attachments:
IMG_20170827_185629750s.jpg
IMG_20170827_185629750s.jpg [ 564.09 KiB | Viewed 161 times ]
DSC01933.jpg
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DSC01936.jpg
DSC01936.jpg [ 456.54 KiB | Viewed 105 times ]
DSC01934.jpg
DSC01934.jpg [ 512.77 KiB | Viewed 109 times ]
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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Tue Jan 02, 2018 10:25 am 
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Joined: Tue Jan 02, 2018 4:44 am
Posts: 10
Location: Canada
The engine doesn't overheat at all, but your foot gets a bit warm by the header.

The fender wells are pretty open, and allow a lot of hot air out, plus in traffic you can see heat coming out of the cowl vents. The cowl vent is completely sealed off from the passenger compartment. I would have thought air being blown in through the cowl at speed would negate the air through the rad, but there is no overheating.

I actually have a defroster in there, for cooler Canadian days.


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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Tue Jan 02, 2018 8:51 pm 
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Joined: Fri Sep 03, 2010 10:41 am
Posts: 1367
Location: Bunya QLD 4055
Keep up the good work. You had it registered as a turbo 3 cyl, what hurdles do you have to jump to get it passed at inspection now?

_________________
If "X" is an Unknown quantity, and a Spurt is a drip under pressure, then an "EXPERT" is an "Unknown Drip Under Pressure".
Why dont they just call it "Womenapause" instead.


Last edited by pictureshowman on Fri Jan 12, 2018 1:06 pm, edited 1 time in total.

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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Wed Jan 03, 2018 2:45 am 
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Joined: Tue Jan 02, 2018 4:44 am
Posts: 10
Location: Canada
Modifications aren't as frighteningly policed here as they are in Australia. There is no change to the vehicle registration and licensing. The police can certainly stop me and order a vehicle inspection (likely, if i'm doing something stupid), but otherwise an inspection is not a mandatory requirement.


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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Fri Jan 12, 2018 8:56 am 
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Joined: Fri May 05, 2006 11:08 am
Posts: 77
Location: CAMI Automotive
Very cool , nice build and great fabrication :D
What else do you plan on doing to it ?

_________________
CUSTODIAN OF THE MR. SUZUKI CONVERTIBLE /// SIGNED BY MR. SUZUKI at CAMI Automotive 2006 / 06 / 06


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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Tue Jan 16, 2018 3:12 pm 
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Joined: Tue Jan 02, 2018 4:44 am
Posts: 10
Location: Canada
I plan to enjoy it for a year or two, then sell it to finance the next project. Adding a fire-breathing V8, or twin turbos would be REALLY cool, but not money well spent in my books.


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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Wed Jan 17, 2018 1:27 am 
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Joined: Sun Mar 15, 2009 5:26 am
Posts: 58
Location: USA
Sweet! I'd like that project around my neck of the woods. I'd lend shop and free welding just to watch something like this be built.


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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Tue Jan 23, 2018 12:37 pm 
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Joined: Mon Feb 14, 2011 4:04 pm
Posts: 377
Location: Byron and Tweed Hds
Wow! :shock: =D> =D>

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Let your freak flag fly.


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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Wed May 30, 2018 3:02 pm 
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Joined: Tue Jan 02, 2018 4:44 am
Posts: 10
Location: Canada
First autocross (mostly in-car vid):

http://www.youtube.com/watch?v=VbNPgyRX-ik

First DNF (outside car vid):

http://www.youtube.com/watch?v=qqkkqdmBCfQ


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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Thu Jun 14, 2018 2:16 pm 
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Joined: Tue Jan 02, 2018 4:44 am
Posts: 10
Location: Canada
Uh-oh.

I gooned the engine.

No matter. 170hp 305 is out. 320hp 350 is being built.


Attachments:
IMG_20180613_193047372_HDRs.jpg
IMG_20180613_193047372_HDRs.jpg [ 565.57 KiB | Viewed 65 times ]
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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Tue Jun 19, 2018 11:46 am 
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Joined: Fri May 05, 2006 11:08 am
Posts: 77
Location: CAMI Automotive
I am looking forward to the new more power full motor 8)

_________________
CUSTODIAN OF THE MR. SUZUKI CONVERTIBLE /// SIGNED BY MR. SUZUKI at CAMI Automotive 2006 / 06 / 06


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 Post subject: Re: V8 Pontiac Firefly
PostPosted: Mon Aug 06, 2018 3:10 pm 
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Joined: Tue Jan 02, 2018 4:44 am
Posts: 10
Location: Canada
Fancy new updates:

I built a 4-bolt 350 with ported heads and a mild Lunati cam, plus a big-bore throttle body. Definitely more cow bell. Theoretically 320hp. Spent quite a bit of time hacking the factory computer and making it work with this not stock not 305 engine (Nerd Alert for the video below, I'm going to geek out regarding this).

https://www.youtube.com/watch?v=cOjsw3qV_4I

Also added an engine oil cooler to hopefully manage heat better.

Car will be going for sale maybe this fall, but probably next year. I need to finance my next project.


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