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PostPosted: March 24, 2018, 12:00 pm 
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Joined: March 23, 2018, 9:02 pm
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New to the forum and appreciate being able to join this community.

Im a past FSAE member with the dream of building my own vehicle to puts around town in. I'm really interested in using a transverse trans axle and having it bolted up to a Ford 302 Coyote. Has anyone successfully tried it? Id really appreciate any advice or suggestions of trans axles that could possibly fit the application.

Roy


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PostPosted: March 24, 2018, 1:52 pm 
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With that torque and hp, not sure how you can get around using a proper ($$$$) unit, such as the Porsche 950 or one of the off road aftermarket units.

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PostPosted: March 24, 2018, 2:20 pm 
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Drop the Coyote and go for a pushrod 302. Look into Audi transaxles for a reasonable cost choice. If your an FSAE guy, think thru what you are looking for in the Coyote. They are hugely space inefficient, which is likely an issue for you. There are no power issues with the pushrod unit and they are crazy small, so more efficient in the ways you need it to be. Just my opinion...

Plenty of fast 4 cyl options too. What kind of a body are you thinking of, so we can get a better idea of where you are going with this...

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PostPosted: March 25, 2018, 1:34 am 
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Just curious, is the reason that you want to use a transverse transaxle instead of a longitudinal transaxle because you want to avoid an excessively long wheelbase?

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PostPosted: March 25, 2018, 2:39 am 
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Geez, I'm a moron, how'd I miss the transverse part? :rofl:

I don't think longitudinal transaxles make the car too long, at least not the types with the gearbox behind the diff.

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PostPosted: March 25, 2018, 5:43 am 
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Do to the width of the Coyote engine you may have difficulty finding a trans where the axle clears the block.
You could start by looking at the F40 trans. It is used to swap LS engines into Fieros.


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PostPosted: March 25, 2018, 12:08 pm 
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I saw the transverse term and ignored it because other than that F40, I don't think there is anything.

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PostPosted: March 25, 2018, 4:16 pm 
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Depending on your intended use for the vehicle there are also the GM 6T75/Ford 6F55 automatic transmissions. You may also run into an issue with the axle clearing the block though.


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PostPosted: March 26, 2018, 12:01 pm 
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Getrag 5 speed from a 3000GT VR4? Holds up to a twin turbo V6 pushing 300/300, and will hold up much higher numbers with no issue.

I'm using an MFA60 6 speed from a Sentra SE-R Spec V for my build, but that's coupled with a 13B-DEI, so less torque and more RPM.

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PostPosted: March 26, 2018, 4:34 pm 
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Cheap with tons of 'em?

Part of a Chevy Cruze pre '18. You can get a 6 speed outta it, and the motor is semi respectable. As I recall there was also a "slap stick" auto for that too?

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PostPosted: March 26, 2018, 7:21 pm 
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If you want something to mate up to the GM, the F40, but if memory serves, the only gets you the LS4. If true, you'd need an adapter plate for the other LS variants due to bell pattern. Don't hold me to that.

That said, the F40 is not said to be a high power transaxle, at least not LS3/and up power levels. For that, you might want to look into the Toyota E53/E153 variants. They take power levels in excess of 800hp, and the turbo MR2 even has the gear change mechanism in the right place for transverse middy applications. Obviously, adapters would be needed, and I have no clue about clearance for the intermediate shaft, but I have tons of room to my v6 block, so maybe not an issue.

Terry

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PostPosted: April 6, 2018, 10:15 am 
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The GM manual transmission that has proven to take the most abuse in a Fiero is the 5 speed F23. Two reasons it is used are:
1- available with multiple bell housing patterns
2-the fiero manual transmision axles fit right in.

2002 to 2004 Cavalier/Sunfire with the 2200 OHV engines come with a bell housing that bolts right up to a 3800SC motor. All others have the ecotec bolt pattern that I think also fits the LS3. And yes the F40 has a better torque rating but those numbers seem to mean very little compared to what people have done with the F23.

As far as the Ford motor goes, it is only wide at the top of the cylinder heads. The width at the bottom of the engine determines if it can be adapted to a transverse transaxle or not. Obiously the OP will need some kind of adapter plate.


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PostPosted: April 20, 2018, 8:42 pm 
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I never could understand why someone takes the times to register, create a new thread with a question that starts a discussion and then does not come back. Or at the least acknowledge that people took the time to reply. Was this query a passing thought and they've already moved on to another forum/project? Just something I notice on forums and wonder about, Now back to you regularly scheduled program :D -Vinny


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PostPosted: April 21, 2018, 2:02 am 
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His profile says he visited once after posting his question and not simce

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