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Author Topic: Fulvia gearbox specialists?  (Read 990 times)
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Charles Frodsham
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Posts: 152



« Reply #15 on: 10 August, 2020, 02:02:44 PM »

Hi Jus

All the parts/workshop manuals are available from the club library, if you contact Chris Hopkins. Chris kindly sent me all relevant manuals for my S1 1.6 HF on a CD. You definitely need these!

For comparison, I have just taken photo of my gearbox plate. My car is a pure “Stradale” with piggyback box, whereas I guess yours is specific to a race/ Corsa version. Note the additional markings adjacent to the plate on your casing, as you mentioned earlier. Has anyone got experience of the latter....looks interesting!?

If you can get under the car, it will be fairly obvious from the casings which construction you have.

Charles

PS Do you have any race history for the car?





* 21FF21FE-042E-4DF5-AC27-B98765AC8E91.jpeg (303.81 KB, 1330x998 - viewed 26 times.)
« Last Edit: 10 August, 2020, 02:26:24 PM by Charles Frodsham » Logged
jus
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Posts: 24



« Reply #16 on: 10 August, 2020, 02:21:41 PM »

Thanks Charles. And am I right in thinking that Tanc did some work on your box recently - so it's safe to assume that if first had a synchro, then he would have replaced it if it was worn, and you wouldn't have a crunchy first still?

My S2A Land Rover is also lacking synchro on 1st (and 2nd) - so it's not a big issue for me, just as long as it's meant to be like that.
I'll get in touch with Chris regarding the parts list.
Cheers,
Justin.
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1982 Beta Spyder
1969 S1 Fulvia 1.6HF Rallye
1971 Works Fulvia 1.6HF
1972 S2 Fulvia 1.6HF Lusso
1982 037 Rally
Charles Frodsham
Senior Member
*****
Posts: 152



« Reply #17 on: 10 August, 2020, 02:38:22 PM »

Hi Jus

As I said earlier, the parts book doesn’t show a synchro on first gear for early HF(1) boxes. Have a good look when you get your copy, look at the casing construction as well as the internals, and compare to your car. You are unraveling a piece of history!

Charles
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jus
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Posts: 24



« Reply #18 on: 12 August, 2020, 08:30:38 PM »

Hi Charles.
I asked Andrew at Omicron about the gearbox, and he agrees that that this version doesn't have a synchro on first. So - at least it's not faulty. I might still think about temporarily swapping it for another box though. The first gear ratio is really high, and it makes pulling away on a hill a bit of a struggle and unfortunately for the clutch in this car, there's lots of hills where I live.

Thanks for all the replies.
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1982 Beta Spyder
1969 S1 Fulvia 1.6HF Rallye
1971 Works Fulvia 1.6HF
1972 S2 Fulvia 1.6HF Lusso
1982 037 Rally
lancialulu
Press Officer
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Posts: 3978



« Reply #19 on: 12 August, 2020, 09:15:57 PM »

First gear is probably high as I mentioned before that the transfer gear could be a short ration giving an overall close ratio box. Only opening will confirm...
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Its not the winning but taking part! or is it taking apart?
1955 Aurelia B12
1967 Flavia Vignale iniezione
1967 Fulvia 1.3HFR
1972 Fulvia 1600HF
1972 Fulvia 1600HF
1972 1600 Fulvia Sport
1979 2500 Gamma Coupe
1988 Delta 1.6GTi
1998 Zeta
alan284flavia
Member
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Posts: 25


« Reply #20 on: 15 August, 2020, 07:07:07 PM »

My 4speed S1 always had weak synchro, just lived with it. My Flavia 2000 with "big" 4speed box had crap synchro at 30000miles and weak 3rd as well. Now on 60000 and no worse, just live with it, but then I used to run a S2 Land Rover with crash box so used to double declutch
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angelorange
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« Reply #21 on: 06 September, 2020, 09:46:51 AM »

Hi Charles.
I asked Andrew at Omicron about the gearbox, and he agrees that that this version doesn't have a synchro on first. So - at least it's not faulty. I might still think about temporarily swapping it for another box though. The first gear ratio is really high, and it makes pulling away on a hill a bit of a struggle and unfortunately for the clutch in this car, there's lots of hills where I live.

Thanks for all the replies.

Let me know if you need assistance. Piggyback is obvious from rear of g-box casing. Input shaft splines are coarser like S1 4 speed cf later 5 speed units. Ratios can be tested with gearbox out before disassembly. Competition cars had copper clutch units. Most competition cars (1969-1974) used later 5 speed housing with homologated gears.

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I'm entitled to my ignorance!
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