LS4 Physical Dimensions
I had known about the LS4 release, but was caught up in my LM7 swap and didnt read much further. I recently came across someone talking about the F40 6 speed FWD transmission interfacing with the LS4 motors. This got me thinking about maybe trying one in a B13 chassis. They are a dime a dozen in the non SE-R models. I would not have a problem finding a test chassis or maybe even just front half cut for VERY cheap.
I figured a good place to start was just trying to get rough estimates of engine bay and motor size to compare.
Does anyone have the physical dimensions of the LS4 with accessories?
Im sure its a long shot but also case size specs on the F40 would be great.
I really miss both of mine as well. Great cars that never stop being fun to drive.
The chassis only had 75K when I got it as a roller in 2002.

I have been doing some more reading on the F40 transmission.
Is a custom starter mount needed to run the Getrag 6 speed (F40) with the LS4 block?
Last edited by NoClassic; May 13, 2009 at 10:53 PM.
I have been trying to get ahold of Travis at FIR for the past couple days with no luck. He has done more than a few VQ swaps in the b15 and B14s. I figure if you can stuff one of those in there why wouldnt the LS4 fit. I want to see if he cant confirm some engine bay dimensions for me.
Edit
Try going to www.myspecv.com
His username is trav4011
He's usually on there a lot.
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