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Underbody braces, turbos and more!

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PostPosted: Sat Jun 12, 2010 5:52 pm 
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Joined: Sat Jun 12, 2010 5:26 pm
Posts: 4
Location: Simi Valley
Car: 1984 SE currently fitted with the God awful
Iron Duke

Hey guys. How's it going? I want to throw in
a 13b into my fiero down the road. I need some
q's answered first.

What Trannies can be mounted to the engine?
I want 6 speed auto if possible.

What is considered reliable power for engine tuning?

I think I saw somewhere on the net that someone
did a both a supercharger and a turbo mod. What
info can you guys give me on this?

How big is the radiator for the swift? This is
important, because the Fiero uses a big radiator
due to the cars setup.

How have Rwd conversion setups worked out?

Can someone make a legit and good looking
video of the 13b in action? None of the people
at Pennock's Fiero forum like this swap and
aren't being helpful with the q's on their end).
I can't seem to get them interested even when
I'll drop 200 lbs and gain 10 HP with this motor.

Anything else that can help a noob would be
apprecaited.


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PostPosted: Sat Jun 12, 2010 6:10 pm 
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Sad but True...

Joined: Fri Jul 27, 2007 8:20 pm
Posts: 2973
Location: Saskatchewan
just turbo the fiero

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1996 Metro Build QR25de swap, still undecided where to take it
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PostPosted: Sat Jun 12, 2010 6:27 pm 
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Joined: Sat Jun 12, 2010 5:26 pm
Posts: 4
Location: Simi Valley
swift13b wrote:
just turbo the fiero


Well the duke is dead, and turboing a duke is not
a good idea. Those engines were not built for that.
These engines crack under pressure easily. If your
talking about Turboing a G13, ok.

My goal for the Fiero is to keep it economically minded
(insurance, gas) and make it have some performance
at the same time.


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PostPosted: Mon Jun 14, 2010 7:44 am 
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Joined: Sat Sep 27, 2008 12:50 am
Posts: 23
Location: Greeneville, TN
A six speed auto could be difficult, due to most modern autos being computer controlled.
It would simplify things greatly using a trans that is a direct bolt on.
Then the next issue is going to be custom axles, there are several shops that can take care of this for you.
I have plans to put a VW 1.6TD in a Fiero, when time permits. It would make a nice high MPG commuter car.

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95 Geo Metro: 1.0L/3-cyl/5-sp, the dependable daily driver
84 Fiero Indy Pace Car: 3.8L Turbo/6-Cyl/Auto, weekend Toy


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PostPosted: Mon Jun 14, 2010 11:53 pm 
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Joined: Sat Oct 15, 2005 11:43 pm
Posts: 643
Location: Greer,South Carolina USA
Put a supercharged 3800 gm in it. A friend of mine just got his running sounds great and will be very fast.

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PostPosted: Tue Jun 15, 2010 6:18 pm 
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Joined: Sat Jun 12, 2010 5:26 pm
Posts: 4
Location: Simi Valley
IndygoEEI wrote:
My goal for the Fiero is to keep it economically minded
(insurance, gas) and make it have some (<--Keyword!) performance at the same time.


Apparently people are missing the point of my swap.
1/4 miles mean nothing to me, but track racing is.
Beyond just a swap; plans are some weight reduction,
engine tuning, solving the cars inherent cooling issues,
and suspension tuning/swap. However, if quarter miles
were a goal, high 12's/low 13's would be nice. She's
meant to be a daily driver in vain of a Del Sol/Mini
Cooper. Fun and practical.


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PostPosted: Wed Jun 16, 2010 11:13 am 
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Joined: Thu Jul 20, 2006 7:17 pm
Posts: 1140
Location: Alberta, Canada
This just won't be a terribly practical swap, unless you have a ton of time on your hands. How much does a fiero weigh? At first thought, i was thinking a lot more than a swift, but perhaps not? My concern would be that the old 2.5 makes less hp, but likely more torque, which the 1.3 is pretty short on. The next issue would be shift linkage, a cable shifted trans would be a lot better for such an install. There are always ways around this but it would be quite a challenge.
You like will be ok on the cooling system, this family of engines is pretty good that way, and in my opinion don't need much to keep cool. A turbo or supercharger is certainly a possibilty, but will really add up the bill unless you are ready to build the whole system yourself.
It seems like a fun project, just make sure you weigh out the pros and cons before you commit.

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1995 Swift w/16V 4.39s, 3tech cam, Esteem t-body, Header, needs more.
1995 Gt Mustang "Boss Shinoda" package.
1999 F150 4x4 Supercharged
1967 Mustang 428 auto, never ending expensive project
1993 Civic si h22a, fell in my lap, couldn't resist!


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PostPosted: Wed Jun 16, 2010 6:02 pm 
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Joined: Sat Jun 12, 2010 5:26 pm
Posts: 4
Location: Simi Valley
codyb76 wrote:
This just won't be a terribly practical swap, unless you have a ton of time on your hands. How much does a fiero weigh? At first thought, i was thinking a lot more than a swift, but perhaps not? My concern would be that the old 2.5 makes less hp, but likely more torque, which the 1.3 is pretty short on. The next issue would be shift linkage, a cable shifted trans would be a lot better for such an install. There are always ways around this but it would be quite a challenge.
You like will be ok on the cooling system, this family of engines is pretty good that way, and in my opinion don't need much to keep cool. A turbo or supercharger is certainly a possibilty, but will really add up the bill unless you are ready to build the whole system yourself.
It seems like a fun project, just make sure you weigh out the pros and cons before you commit.


Your post actually really made me think. To be honest
I've never really seen a swift in action before or looked
at heavily it's stats, so I was really confused in why you guys seemed bent on not putting in the 13b. Now I get it.

My first assumption of the swift was that it weighed in
total 2000 lbs. Finding it weighed less then 1800
conveyed, "That's lighter then what I thought and that
puts it's stock performance in different light." My car
currently weighs 2580 lbs with the iron duke in the bay.
Dropping a 13b may drop the weight considerably to
~2360, but that's not enough to begin with. With the
goals of the project in terms of weight reduction, I may
only be able to drop 100 lbs. I don't even know how much the trannies weigh for this engine. Can't find
figures. I'd probably end up doing a GM Metro tranny.

The biggest factor is torque. with 134-lbs.ft. at 2,800
RPM, that's almost a 60-lb. ft difference! Unless I turbo
a 13b, it isn't going to matter. I'm not sure if that'll
work either. Even the wider powerband leaves some
q's, like where does torque and hp drop off. I want
torque to drop off in the low 3k rpms (around 3,300),
and for Hp to drop off somewhere between 4-4.5k.

Although I'm now leaning towards no on this swap, I'd
really like to know how heavy the tranny would weigh
and also what the 13b powerband looks like since
finding it on google isn't happening.


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PostPosted: Wed Jun 16, 2010 6:49 pm 
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Joined: Sun May 04, 2008 11:55 pm
Posts: 524
Location: Victoria, BC, Canada
Quote:
I want
torque to drop off in the low 3k rpms (around 3,300),
and for Hp to drop off somewhere between 4-4.5k.


That right there is pretty much totally incompatible with any G-variant suzuki engines design fundamentals. Stock GT has torque PEAK at 3500 rpm, and hp peak at cut off (7800 rpm). Obviously cams and tuning can change things up, but it makes a lot more sense to go with something with more displacement - start closer to the goalpost if you will...


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PostPosted: Sat Jun 19, 2010 1:52 am 
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Joined: Fri May 28, 2010 10:57 pm
Posts: 17
Location: Sacramento
I converted a Fiero to an EV. They make great EVs because they are heavy duty and can handle battery weight.
The MR2 is perhaps better choice for a lightweight gas mid-engine.

If you want to go radical/economy on the Fiero, consider a Rotary for a lighter weight engine that can make more power, and supercharge it if you can find a cheap Ford 3.8 unit. :)

Otherwise, consider the Suzuki 1.6L engine instead of the 1.3, and supercharge it too.


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PostPosted: Tue Apr 23, 2013 8:55 pm 
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Joined: Tue Aug 28, 2007 12:33 pm
Posts: 197
Location: yuma, AZ.
well u could go the other route, 10,000 13b @ 400 hp.

it was done in a RWD conversion of achevy sprint using bmw parts including a transmission (rwd)

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88 sprint, 4dr sold :(
87 turbo 2dr, never ran :( :(
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