I have read so many different threads with so many tid bits of information I can not keep it straight. I have some questions and I know many other people have them too. I want to try to get all the DIY info in one thread if possible.(Hope someone else didn't do this already and I could not find it in search)

(I will add in some information I have gathered and edit as more knowledgeable people post.)

Is the bolt pattern the same as a stock Fiero 2.8?
Only G6 trans from 2006 and some from 2007

What clutch/flywheel combination (which other vehicle) is used and is there any spacers needed?
3.4 Firebird or 3800 flywheel with a factory Ford Ranger clutch or one from SPEC

What about the clutch hydraulic line?
A "slave plug" from a Grand Am attaches to the F40 and the standard Fiero clutch line screws in.(Part #?)

What axles are used aside from custom axles that can be bought?
The N* thread makes it pretty clear what needs to be done to make the the Cobalt SS axles work. Page1-2
Cobalt SS axels are the correct length but need to be machined down to fit into rear Fiero Knuckles
1999 Saab 9-5 passenger side is very close with correct splines but drivers will not work.
Thanks Zac88GT

What transmission mounts are used?
Custom mounts are the best bet.

What shifter and shift cables are used?

In the N* thread, a 4 speed Fiero shifter was used with 2 select cables. The shifter was modified a bit. Page 1
Thanks Zac88GT

Does the starter need shims?

Is there a sound from the trans at low RPMS?
If a dual mass flywheel is used the sound is much less.

What is needed for the speedometer to work correctly?
The speed sensor on the F40 puts out 60,000 pulses per mile (PPM), the Fiero speedometer is expecting 4,000 ppm. the Dakota Digital SGI-5 is a frequency converter that changes the 60,000 into 4,000.

If you have a non-stock ECM it gets trickier. For example the 4.9 Cadillac ECM is expecting 24,000 ppm so in order to have the correct speed in the computer you need to convert 60,000 ppm to 24,000 ppm and then let the ecm convert 24,000 into 4,000.

All those conversion tend to be inexact and the SGI-5 itself is prone to noise so it's tricky to get everything working correctly.

The 7730 can be programmed for 4,000 ppm if not native.

The SGI-5 can be bought directly from Dakota Digital

http://www.dakotadigital.co...ct_id=126/prd126.htm
(Thanks jscott1)

Again I will come back to edit this and make it sound better once more people post. And if any of the information is wrong please tell me.
Also any other questions people have I will add to the list.

Came from these threads:
https://www.fiero.nl/forum/Forum1/HTML/078069.html
https://www.fiero.nl/forum/Forum2/HTML/078656.html
https://www.fiero.nl/forum/Forum2/HTML/094540.html
https://www.fiero.nl/forum/Forum2/HTML/100350.html
https://www.fiero.nl/forum/Forum2/HTML/094731.html
Awesome thread for N* 6speed
https://www.fiero.nl/forum/Forum3/HTML/000030.html

[This message has been edited by Riddick85 (edited 10-30-2009).]

Thanks for taking the time to do this. An F40 may be in my future.
Jim

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quote What is needed for the speedometer to work correctly? I am not sure what a Dakota Digital Interface is. Maybe someone can shed some light on that.

The speed sensor on the F40 puts out 60,000 pulses per mile (PPM), the Fiero speedometer is expecting 4,000 ppm. the Dakota Digital SGI-5 is a frequency converter that changes the 60,000 into 4,000.

If you have a non-stock ECM it gets trickier. For example the 4.9 Cadillac ECM is expecting 24,000 ppm so in order to have the correct speed in the computer you need to convert 60,000 ppm to 24,000 ppm and then let the ecm convert 24,000 into 4,000.

All those conversion tend to be inexact and the SGI-5 itself is prone to noise so it's tricky to get everything working correctly.

[This message has been edited by jscott1 (edited 10-27-2009).]

What about for a 7730 ECM? Does that use 4000 ppm like a stock Fiero ECM does? Where can a Dakota Digital SGI-5 be bought from?

Thanks for bring that all in one place. I was going 6 speed manual, then decided on the 6 speed 6T75 that fastfieros is working on. It has the paddle shift, so I hope I get some manual feel to it.

quote Originally posted by Riddick85: What about for a 7730 ECM? Does that use 4000 ppm like a stock Fiero ECM does? Where can a Dakota Digital SGI-5 be bought from?

The 7730 can be programmed for 4,000 ppm if not native.

The SGI-5 can be bought directly from Dakota Digital

http://www.dakotadigital.co...ct_id=126/prd126.htm

There's no machining required to use Cobalt SS axles in M/T Fiero hubs.

Isolde is there any Jack shats need with the F35 axles used on the F40 and what engine did you mate it to any flywheel spacers

quote Originally posted by Isolde: There's no machining required to use Cobalt SS axles in M/T Fiero hubs.

So as long as you have manual trans rear hubs, the Cobalt SS axles are a straight swap?

I never knew the manual and auto hubs were different.

This is a great thread! I am planning to do a swap and have a tranny sitting in my shop. I know there is a lot of info out there for the F40 to be hooked up to a SBC but how about clutch spacing for a stock 2.8? Will it also need a spacer plate. I think the answer is yes. One suggestion. It may make sense to organize the info you have by engine type. Common swaps could be listed.... SBC, 4.9, 3800 (and S/C), 3400, 3.1, 2.8, and Duke.

A parts list by engine type would also be great with a list of all of the modifications necessary to each part (if not a bolt in) or to the existing equipment in the car.

Just a thought. Thank you for putting this together.

Edit... to add more stuff

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Paul

My IMSA Build: http://www.cardomain.com/ride/789315
HHP Adjustable Sway Bars: https://www.fiero.nl/forum/Forum4/HTML/036556.html

[This message has been edited by R Runner (edited 10-28-2009).]

BUMP to the top.

I am going to school 5 days and work 40hrs but I will keep updating this as quickly as I can. If anyone has any more info to add to what I have or a thread I did not find, POST IT

quote Originally posted by jscott1: The speed sensor on the F40 puts out 60,000 pulses per mile (PPM), the Fiero speedometer is expecting 4,000 ppm. the Dakota Digital SGI-5 is a frequency converter that changes the 60,000 into 4,000. If you have a non-stock ECM it gets trickier. For example the 4.9 Cadillac ECM is expecting 24,000 ppm so in order to have the correct speed in the computer you need to convert 60,000 ppm to 24,000 ppm and then let the ecm convert 24,000 into 4,000. All those conversion tend to be inexact and the SGI-5 itself is prone to noise so it's tricky to get everything working correctly.

Let it be known to anyone doing a 4.9L swap, i can reprogram the caddy ecm to accept a 60,000 ppm signal, and convert it to the necessary 4000, so no digital converter is needed.

stickpony@gmail.com

cant find the spec part number (or rough price)?
thanks

EDIT, thanks dobey. looks like the 9-3 with the six speed is calling for $850 for the stage 3+ !!!!

[This message has been edited by ricreatr (edited 06-14-2010).]

quote Originally posted by ricreatr: cant find the spec part number (or rough price)? thanks

http://www.specclutch.com/c...Saab/9-3/2006/Single