[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Solid shifter?



thanks for the clarification. transmissions are one thing i have never 
truly got a grasp of. btw, the guy with the civic is my brother!

just kidding

jeremy


On Saturday, December 1, 2001, at 12:12 , Dan Bubb wrote:

> Synchros are little brass rings, not steel gears or steel engagement
> sleeves! The reduction in rotating mass would NEVER be noticed.
> Street transmissions have engagement TEETH that allow very little 
> rotational
> slop. i.e. they have ~30 teeth on the gear and the engagement sleeve 
> that
> mesh very tightly and allow less than 1 deg of rotational slop.
> Racing transmissions have engagement LUGS that allow alot of rotational
> slop. i.e 3 or 4 big ass lugs with ~30 deg slop.
> Street transmissions need synchros because of the tight fit between
> engagement teeth. Racing transmissions don't need syncros because of the
> huge gaps between the engagement lugs.
> You CAN drive a street transmission without synchros if you're really 
> good,
> but it will require you to double clutch every downshift  and have 
> perfect
> harmony with your machine on upshifts ;^O
> Quite frankly, there is NO benefit to removing the synchros from a 
> street
> transmission and the extra substantial abuse on the transmission makes 
> it a
> major net negative.
> OTOH, when I was a kid (30 years ago) I had a POS Fiat 850. New 850
> transmissions wheren't much and this one had been abused to the point 
> the
> synchros were MIA. It was a true learning experience getting to the 
> point
> were I could shift that transmission with no grinding. Not only did it 
> teach
> you how to shift without grinding it taught you how to be SMOOTH!
> One final thought as I run off at the mouth; before you contemplate 
> removing
> synchros test your abilities to handle this by driving without using the
> clutch. NO CLUTCH, upshift all 5 gears, NO CLUTCH, downshift all 5 
> gears!
> FUN isn't it??
> BTW, The guy with the Civic is an idiot!!!
> Dan
>
> ----- Original Message -----
> From: Jeremy Salda <roccoguy@mac.com>
> To: <scirocco-l@scirocco.org>
> Sent: Saturday, December 01, 2001 10:47 AM
> Subject: Solid shifter?
>
>
>> also, along the same lines, i heard about a guy taking the sychros out
>> of the tranny in his civic. this would reduce the weight and rotating
>> mass in the tranny, right? basically turn it into a true racing tranny.
>
>> jeremy
>
>
>


--
Email LIST problems to: scirocco-l-probs@scirocco.org.
To unsubscibe send "unsubscribe scirocco-l" in the message to majordomo@scirocco.org