Tachometer

Talk about the E-Type Series 1

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Bernie2015
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#1 Tachometer

Post by Bernie2015 » Sun Jan 17, 2021 11:49 am

Hi All,

just wondering if my tacho is correct for my car Series 1 DHC 1966 (see photo) much appreciated if anyone can confirm or deny.
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Bernie 1966 S1 OTS

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cactusman
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#2 Re: Tachometer

Post by cactusman » Sun Jan 17, 2021 12:36 pm

Looks right...red section at 5000rpm...7413/11 is the smiths part no.....somewhere in the knowledge section I think there may be a large list of instruments and what was fitted to what and when....you might be able to cross ref against the list
Julian the E-type man
1962 FHC
1966 MGB....fab little car too

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Bernie2015
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#3 Re: Tachometer

Post by Bernie2015 » Sun Jan 17, 2021 3:28 pm

Which Series has a red line 5500rpm-6000rpm?
Bernie 1966 S1 OTS

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cactusman
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#4 Re: Tachometer

Post by cactusman » Sun Jan 17, 2021 3:51 pm

3.8's have the red line at 5500....4.2's at 5000 i be!ieve....
Julian the E-type man
1962 FHC
1966 MGB....fab little car too

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Bernie2015
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#5 Re: Tachometer

Post by Bernie2015 » Sun Jan 17, 2021 3:54 pm

Many thanks, I can't find the info on the knowledge base, paperwork never was strongpoint though.
Bernie 1966 S1 OTS

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max-it-out
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#6 Re: Tachometer

Post by max-it-out » Sun Jan 17, 2021 4:17 pm

cactusman wrote:
Sun Jan 17, 2021 3:51 pm
3.8's have the red line at 5500....4.2's at 5000 i be!ieve....
Are you sure ? My 1968 4.2 has the red line at 5500 .
Mark

1968 series 1.5 roadster

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Gfhug
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#7 Re: Tachometer

Post by Gfhug » Sun Jan 17, 2021 4:48 pm

Clausager P81 shows two rev counters, one with the clock (as above) has the red line from 5000 rpm, the second without the clock fitted to an S1.5 shows red line from 5500 rpm.
The S2 Rev counters start red line at 5000 rpm.
Why the S1.5 has the 5500 rpm red line :shrug: Anyone got Haddock to see what is shown there?
Clausager P79 quotes “All Series 1.5 had matt black bezels .... while the rev counter had lost its clock and was now Smiths number RV.4612 with the red zone starting at 5500 rpm.”

Geoff
S2 FHC Light Blue
S2 OTS LHD - RHD full restoration

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cactusman
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#8 Re: Tachometer

Post by cactusman » Sun Jan 17, 2021 5:03 pm

No Mark....not sure....although I do recall reading the red line of the 4.2 is 5000 whereas the 3.8 is 5500......but I might be wrong :bigrin:
Julian the E-type man
1962 FHC
1966 MGB....fab little car too

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malcolm
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#9 Re: Tachometer

Post by malcolm » Sun Jan 17, 2021 7:44 pm

My understanding always was that 4.2=5000rpm, 3.8 5500. That's what my handbooks say as well.
Malcolm
I only fit in a 2+2, so got one!
1969 Series 2 2+2
2009 Jaguar XF-S
2015 F Type V6 S

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mgcjag
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#10 Re: Tachometer

Post by mgcjag » Sun Jan 17, 2021 7:53 pm

Some 1.5 cars have the 5500 redline and some 1.5 cars have 5000 red line...just like Geoff :shrug:
Steve
1969 S2 2+2 & Building a C type replica

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Bernie2015
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#11 Re: Tachometer

Post by Bernie2015 » Mon Jan 18, 2021 10:59 am

Such a great knowledge base on this website many thanks.
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Bernie 1966 S1 OTS

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#12 Re: Tachometer

Post by Bernie2015 » Mon Jan 18, 2021 11:00 am

While were at it do the other gauges look correct?
Bernie 1966 S1 OTS

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christopher storey
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#13 Re: Tachometer

Post by christopher storey » Mon Jan 18, 2021 2:00 pm

Bernie : it depends how much of a purist you are, but I note that the oil and ammeter have the straight sided bezels, whereas the water and fuel look to be the curved bezels - unless it's a trick of light /shadow . I'm afraid i don't know which are correct for your car

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#14 Re: Tachometer

Post by max-it-out » Mon Jan 18, 2021 2:52 pm

malcolm wrote:
Sun Jan 17, 2021 7:44 pm
My understanding always was that 4.2=5000rpm, 3.8 5500. That's what my handbooks say as well.
Interested in why they reduced the max revs for the 4.2 - any obvious reason ? :scratchheadyellow:
Mark

1968 series 1.5 roadster

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malcolm
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#15 Re: Tachometer

Post by malcolm » Mon Jan 18, 2021 3:57 pm

bigger bore in the 4.2 to get more torque, but less revvy than the 3.8.
Malcolm
I only fit in a 2+2, so got one!
1969 Series 2 2+2
2009 Jaguar XF-S
2015 F Type V6 S

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#16 Re: Tachometer

Post by Bernie2015 » Mon Jan 18, 2021 4:13 pm

christopher storey wrote:
Mon Jan 18, 2021 2:00 pm
Bernie : it depends how much of a purist you are, but I note that the oil and ammeter have the straight sided bezels, whereas the water and fuel look to be the curved bezels - unless it's a trick of light /shadow . I'm afraid i don't know which are correct for your car
i think its just a trick of the light but thanks for your input Chris.
Bernie 1966 S1 OTS

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