[VB] Transmission Rebuild

[Chris Dreike]

Sam,
I have the same gear and tire set up. I also see 3,000 rpm at 60mph. My
early 64 came with 15" wheels.

What tires do you run? I'm about ready to buy some new ones. I don't see
any 205 x 15 light truck tires on the market.

Chris



On Tue, Mar 23, 2021 at 8:28 PM SAM WILLIAMS <sglw at aol.com> wrote:

> I have a 63 single cab, with a 1600 DP meximotor and a 3.88 R&P. I have
> type 3 twin solex carbs and an exhaust header, so my guess is 60 BHP. With
> my 205x75 15 tyres I get 60 MPH at 3000 RPM
>
> It is making a noise , it was put in in 2006 and I am talking to Rancho. I
> think I will go with the same tranny and the will give me credit on the R&P
> if it is in good shape.
>
> Sam
>
>
> -----Original Message-----
> From: Avocado Tom Tarka <avocadotom at gmail.com>
> To: Chris Dreike <cdreike at gmail.com>
> Cc: VintageBus at type2.com
> Sent: Tue, Mar 23, 2021 8:12 pm
> Subject: Re: [VB] Transmission Rebuild
>
> Chris,
>
> It’s so funny that you have FI because just as I was writing “what carb
> are you running” I thought “well, maybe he has FI...”.
>
> Are you running a stock system or something like mega squirt?
>
> Anywho, thanks for the tips: 4.125 seems like it might be the way to go if
> I’m not sure on the 1600 versus something bigger.
>
> Cheers,
>   Tom
>
> —
> “You can lead a horse to water, but you can’t cure stupid.” -T. Tarka
>
> > On Mar 23, 2021, at 10:12 PM, Chris Dreike <cdreike at gmail.com> wrote:
> >
> > 
> > Hi Tom,
> > I have fuel injection on my 1776. Works fairly well but I really should
> go to a dyno shop for a proper tuning. With My custom tune I can get 28mpg
> at 60mph. Pretty good! Was crazy driving out to Buses By the Bridge with a
> bunch of other buses. I had a half tank of fuel in my 15g tank when
> everyone else was empty on their 10g tanks.
> > If you have dual carbs and dual port on a 1600 I think you could pull
> the 3.875 R&P. Don't go to a 3.44 unless you have a larger motor like a
> 1910.
> > If you have the 4.375 that is about 6% lower gear ratio than a 4.125. I
> used to have 4.125 and the .82. Could easily go 65 even 70 with a 1600 DP
> and a weber progressive carb.
> >
> > Chris
> >
> >> On Tue, Mar 23, 2021 at 5:46 PM Avocado Tom Tarka <avocadotom at gmail.com>
> wrote:
> >> Chris,
> >>
> >> You’re totally correct: it does have the 0.82 already.  (I’m getting
> confused thinking of certain Bay Window transmissions).
> >>
> >> I will probably start with a single port 1600 but I may move to a 1776
> in the future.
> >>
> >> It’s great to hear about your experience with the 3.875.  I’d kinda
> like to go with the 3.875, or at least a 4.125 (I think 4.375 is stock in
> the 67, but it was 4.125 earlier in the 60s?) if I could get away with it.
> Cruising below 3500 at 65 is desirable, I just need to still be able to
> tackle the hills out here.
> >>
> >> What carb setup are you using on your 1776?
> >>
> >> Cheers,
> >>    Tom
> >>
> >>>> On Mar 23, 2021, at 8:18 PM, Chris Dreike <cdreike at gmail.com> wrote:
> >>>>
> >>> 
> >>> Hi Tom,
> >>> What size motor do you have? I think that the stock transmission had
> the .82 gear.
> >>> If your motor is larger than 1600 I would go with the .82 4th gear.
> That is an 8% increase in gear ratio over the .89. resulting in freeway
> rpms being 8% lower.  Less scream from the motor. At 65mph you should see
> about 3600rpm if you have stock sized tires.
> >>> I have a rancho rebuild with a 3.875 R&P and the .82 4th. I see about
> 3350 rpm at 65mph. My motor is a 1776 in my splitty. I have power enough to
> go easily 70 on the hwy. Don't like to go faster.
> >>> Let us know what you do.
> >>> YMMV!!
> >>>
> >>> Chris
> >>> 64 DD Kamper Kit
> >>> 71 Sunroof
> >>>
> >>>
> >>>> On Tue, Mar 23, 2021 at 1:52 PM Avocado Tom Tarka <
> avocadotom at gmail.com> wrote:
> >>>> Greetings Volks!
> >>>>
> >>>> It would seem that the transmission on my ‘67 is finally at the end
> of its life.
> >>>>
> >>>> I’m about to pull it for a rebuild, but that raises three questions:
> >>>>
> >>>> 1. should I have the reduction boxes rebuilt? (I rebuilt them myself
> maybe 30,000 miles ago and I guess I could also refresh the bearings myself
> this time too)
> >>>>
> >>>> 2. Should I go with a 0.82 4th gear or the stock 0.89?
> >>>>
> >>>> 3. Should I have my local shop do it, or go with Rancho?
> >>>>
> >>>> Interested to hear your thoughts...
> >>>>
> >>>> Cheers!
> >>>>    Tom
> >>>>
> >>>> —
> >>>> “You can lead a horse to water, but you can’t cure stupid.” -T. Tarka
> >>>> _______________________________________________
> >>>> vintagebus mailing list
> >>>> vintagebus at type2.com
> >>>> https://www.type2.com/lists/vintagebus/listinfo
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