All .75 fifth gears fit a 4k?

[scourge at cogeco.ca (Scourge)]

I have an ABA, JH head, G-Grind(that you sold me :P), audi 5k tb, dual out 
mani, tt DP, 2" TT exhaust.
It's all mated to a 4K with a .75 5th. Great combo although the jump from 
4th-5th is a little much, but not unbearable.
Highway cruising is much better with the long 5th. I'm in the high 30's to 
low 40's MPG most of the time for roadtrips, it is a hog on fuel for city 
driving though ,lol.


HTH
-George

----- Original Message ----- 
From: "Rick Kellner" <rfkellner@snet.net>
To: <scirocco-l@scirocco.org>
Sent: Saturday, June 24, 2006 8:20 PM
Subject: RE: All .75 fifth gears fit a 4k?


>I realize it will be a long stretch between 4th and 5th however it may
> meet my needs/plans.  I was also thinking that the .75 was so prevalent
> that it would be easier to locate one.  A .80 might be a better
> alternative however they do not seem to be as plentiful.
> I like the close ratio and high final drive ratio of the 4k for
> acceleration and general running around the twisty roads and hills where
> I live.  I want the tall 5th for cruising on the highway which will keep
> my RPMs down and the fuel economy up, but yes, a .80 might be better.
> I plan on bolting the 4K to a 2.0l bottom end and a ported 2.0l head,
> header, cams, etc.
>
> So does anyone have a 4K 2.0l with a fifth other than the .89?  How is
> it on the highway?
>
> Other than the FF, which I did not have on my list below, are the other
> .75 from 020 boxes all plug and play?
> Thanks, Rick.
>
> -----Original Message-----
> From: julie@menloparkrandd.com [mailto:julie@menloparkrandd.com]
> Sent: Saturday, June 24, 2006 2:45 PM
> To: Rick Kellner; scirocco-l@scirocco.org
> Subject: Re: All .75 fifth gears fit a 4k?
>
> You can get the .75 from an FF and it will transfer to the 4k.
> Weird combo, really short 1-4 then the stretch to 5th. Whacha building
> Rick?
>
>
>
>
> scirocco-l@scirocco.org
>>Subject: All .75 fifth gears fit a 4k?
>>
>>Will a 4K transaxle accept a .75 fifth gear from all 8v transaxles 020
>>transaxles? I know if you are changing the R&P between an 8v and a 16V
>>020 you may need to swap out the 4th gear so is there anything to look
>>out for with the fifth swap?
>>
>>The .75 fifth gear is in a bunch of J/G transaxles, some show below,
>>however; is there anyone one in particular to look for or avoid?
>>Thanks, Rick.
>>
>>4S 8/87 - 7/88 Jetta
>>ACL 8/87 - 9/87 Jetta
>>ACN 7/84 - 9/86 Golf, 8/84 - 7/85 Jetta
>>AGS 8/86 - 7/87 Golf, '8/86 - 7/87 Jetta
>>AON 9/87 - 10/87 Golf, 9/87 - 5/88 Jetta
>>AOP 8/88 - 7/89 Golf, 10/87 - 7/88 Jetta
>>ASF 9/87 - 5/88 Golf, 9/87 - 5/88 Jetta
>>ATH
>>AVX 1/91 - 7/92 Jetta
>>
>>
>>
>>
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