LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Is there an advantage of 3.73s over 4.10s on a M6?

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Old Mar 8, 2004 | 12:29 AM
  #1  
Timmah20's Avatar
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From: Biloxi/Gulfport, Mississippi
Is there an advantage of 3.73s over 4.10s on a M6?

pretty much topic. I've read quite a bit about how gears should be one of the first mods, and have mostly read 3.73s. Are 4.10s too short? I was thinking with a M6 it wouldnt hurt top end too much.

Thanks ppl!
Old Mar 8, 2004 | 02:13 AM
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I've had both 3:73's and 4:10's both with a six speed. If you drive in town alot you better like shifting with the 4:10's first is really short and not much of a use in town. I start in 2nd all the time but I also don't drive the car but on the weekends. Now as for the hwy you'll only see a increase of about 400 RPM's from the 2 gears . I hope this helps
Old Mar 8, 2004 | 05:59 AM
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From: Biloxi/Gulfport, Mississippi
Originally posted by philcam01
I've had both 3:73's and 4:10's both with a six speed. If you drive in town alot you better like shifting with the 4:10's first is really short and not much of a use in town. I start in 2nd all the time but I also don't drive the car but on the weekends. Now as for the hwy you'll only see a increase of about 400 RPM's from the 2 gears . I hope this helps
sure does. im looking for maximum acceleration off the line, and i loooooove shiftin. figured 4.10s would be best for me, as long as i could keep traction
Old Mar 8, 2004 | 08:35 AM
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I just got done the M6 swap. Already had 3.73 rear. I'm finding that even with 3.73 first is really short. I was considering going to 4.10 before experiencing the 3.73 first hand; I'm sticking with what I've got, now.
Old Mar 8, 2004 | 04:08 PM
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3.73s here too... a friend of mine had 4.10s in his and he switched back to 3.73s after a few months. They're great for the strip and with sticky tires, but aren't too great for the street due to being so short and no traction. Shifting at 2200, I usually just use 1st, 3rd, 5th, and 6th while driving and it's great. If you're serious about getting 4.10s, using the "4-speed" techinque might be a good idea for making them livable.
Old Mar 8, 2004 | 04:29 PM
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Went with 4.10s over the stock 3.42s. Personally don't have any problems with them. Makes 6th usable.

Yes, you are really torquey in the low ranges, but that's what I like about the lt1 anyway. JMHO
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