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post #1 of 13 (permalink) Old 10-02-05, 09:01 AM
John Oakes
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V8 carburettor pots

Hi Gang.
How often do I need to keep refilling my V8 Twin Carbs and what
should I look for in difference in performance.
--
-
Compliments

John N Oakes
Manchester, England.

=============================
! Nightshift Morlock Worker!
! Landrover 110 V8 1988 !
! Atari/Win/Mac User !
=============================


 
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post #2 of 13 (permalink) Old 10-02-05, 11:01 AM
Rob Hunt
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Re: V8 carburettor pots

I check and refill mine every time I check the oil (every 2 weeks), if they
need oil in them then you will find that the engine takes longer to drop
back to idle revs when you rev the engine.

"John Oakes" <doyenePLEASEREMOVEME@zetnet.co.uk> wrote in message
news:433ff5b1$0$12562$4c56ba96@master.news.zetnet.net...
> Hi Gang.
> How often do I need to keep refilling my V8 Twin Carbs and what
> should I look for in difference in performance.
> --
> -
> Compliments
>
> John N Oakes
> Manchester, England.
>
> =============================
> ! Nightshift Morlock Worker!
> ! Landrover 110 V8 1988 !
> ! Atari/Win/Mac User !
> =============================



 
post #3 of 13 (permalink) Old 10-02-05, 03:01 PM
Shayne
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Re: V8 carburettor pots

sorry to but in but on the topic of carb dashpots what is the recomendation
of the forum for the most sutable oil??
 
post #4 of 13 (permalink) Old 10-02-05, 08:01 PM
John Oakes
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Re: V8 carburettor pots



Shayne wrote:
> sorry to but in but on the topic of carb dashpots what is the recomendation
> of the forum for the most sutable oil??

Hello Shayne.
I use 15w40 for mine this is according to 110 manuals.
--
-
Compliments

John N Oakes
Manchester, England.

=============================
! Nightshift Morlock Worker!
! Landrover 110 V8 1988 !
! Atari/Win/Mac User !
=============================
 
post #5 of 13 (permalink) Old 10-03-05, 02:01 PM
Shayne
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Re: V8 carburettor pots

15w40 ?
engine oil ah ok i always understood they required a thinner oil
to allow a faster responce

perhaps not ok cheers for that. :)
 
post #6 of 13 (permalink) Old 10-03-05, 03:01 PM
Richard Brookman
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Re: V8 carburettor pots

so Shayne was, like...
> 15w40 ?
> engine oil ah ok i always understood they required a thinner oil
> to allow a faster responce


Other way round. Thicker oil means the damper rises more slowly, which
means the mixture is richer for longer when you need it.

--
Rich
==============================
Disco 300 Tdi auto
S2a 88" SW
Tiggrr (V8 trialler)


 
post #7 of 13 (permalink) Old 10-03-05, 03:01 PM
Shayne
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Re: V8 carburettor pots

ah bugger i never thought of it that way but yes i see it
ta
 
post #8 of 13 (permalink) Old 10-04-05, 12:01 AM
Andy.Smalley
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Re: V8 carburettor pots

"Richard Brookman" <newsboy@nowhere.com> wrote in message news:3qdld7Fe6jnbU1@individual.net...
> so Shayne was, like...
>> 15w40 ?
>> engine oil ah ok i always understood they required a thinner oil
>> to allow a faster responce

>
> Other way round. Thicker oil means the damper rises more slowly, which means the mixture is richer for
> longer when you need it.
>
> --
> Rich



Shouldn't that be "Thicker oil means the damper rises more slowly, which
means the mixture is LEANER"
there's more fuel when the piston is at the top and the needle is further out
--
Andy

SWB Series 2a ( dressed as a 3) "Bruce"
It's big, it's mean it's really, really green


 
post #9 of 13 (permalink) Old 10-04-05, 01:01 PM
Richard Brookman
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Re: V8 carburettor pots

so Andy.Smalley was, like...
> "Richard Brookman" <newsboy@nowhere.com> wrote in message
> news:3qdld7Fe6jnbU1@individual.net...
>> so Shayne was, like...
>>> 15w40 ?
>>> engine oil ah ok i always understood they required a thinner oil
>>> to allow a faster responce

>>
>> Other way round. Thicker oil means the damper rises more slowly,
>> which means the mixture is richer for longer when you need it.
>>
>> --
>> Rich

>
>
> Shouldn't that be "Thicker oil means the damper rises more slowly,
> which means the mixture is LEANER"
> there's more fuel when the piston is at the top and the needle is
> further out


It's a while since I messed with these type of carb, but I thought the
purpose of the damper was to keep the mixture nice and rich for a few
moments when you pressed the loud pedal. BICBVW.

--
Rich
==============================
Disco 300 Tdi auto
S2a 88" SW
Tiggrr (V8 trialler)


 
post #10 of 13 (permalink) Old 10-04-05, 02:01 PM
Richard
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Re: V8 carburettor pots


"Richard Brookman" <newsboy@nowhere.com> wrote in message
news:3qg3omFeo3h5U1@individual.net...
> so Andy.Smalley was, like...
>> "Richard Brookman" <newsboy@nowhere.com> wrote in message
>> news:3qdld7Fe6jnbU1@individual.net...
>>> so Shayne was, like...
>>>> 15w40 ?
>>>> engine oil ah ok i always understood they required a thinner oil
>>>> to allow a faster responce
>>>
>>> Other way round. Thicker oil means the damper rises more slowly,
>>> which means the mixture is richer for longer when you need it.
>>>
>>> --
>>> Rich

>>
>>
>> Shouldn't that be "Thicker oil means the damper rises more slowly,
>> which means the mixture is LEANER"
>> there's more fuel when the piston is at the top and the needle is
>> further out

>
> It's a while since I messed with these type of carb, but I thought the
> purpose of the damper was to keep the mixture nice and rich for a few
> moments when you pressed the loud pedal. BICBVW.
>
> --
> Rich
> ==============================
> Disco 300 Tdi auto
> S2a 88" SW
> Tiggrr (V8 trialler)
>


I think that is the case, in which thicker oil will cause the damper to act
slower therefore keeping it richer slightly longer. I seem to recall over
the years different oil was specified, from something as thin as 3 in 1 type
to ATF to 20/50. I also read thicker oil is more suitable for (a) a worn
carb and (b) lower rpm.
In my 90 V8 (SU's) I use GTX which seems to work ok.

Richard



 
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