V8 carburettor pots

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J

John Oakes

Guest
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 !
=============================
 
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" <[email protected]> wrote in message
news:[email protected]...
> 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 !
> =============================


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


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

perhaps not ok cheers for that. :)
 
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)


 
ah bugger i never thought of it that way but yes i see it
ta
 
"Richard Brookman" <[email protected]> wrote in message news:[email protected]...
> 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


 
so Andy.Smalley was, like...
> "Richard Brookman" <[email protected]> wrote in message
> news:[email protected]...
>> 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)


 

"Richard Brookman" <[email protected]> wrote in message
news:[email protected]...
> so Andy.Smalley was, like...
>> "Richard Brookman" <[email protected]> wrote in message
>> news:[email protected]...
>>> 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



 

"Richard" <[email protected]> wrote in message
news:[email protected]...
>
> "Richard Brookman" <[email protected]> wrote in message
> news:[email protected]...
>> so Andy.Smalley was, like...
>>> "Richard Brookman" <[email protected]> wrote in message
>>> news:[email protected]...
>>>> 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

Thicker oil gives a richer accel due to a higher vacuum being present across
the jet orifice.
Badger.


 


Badger wrote:
> "Richard" <[email protected]> wrote in message
> news:[email protected]...
>
>>"Richard Brookman" <[email protected]> wrote in message
>>news:[email protected]...
>>
>>>so Andy.Smalley was, like...
>>>
>>>>"Richard Brookman" <[email protected]> wrote in message
>>>>news:[email protected]...
>>>>
>>>>>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
>
>
> Thicker oil gives a richer accel due to a higher vacuum being present across
> the jet orifice.
> Badger.
>
>
Hello Brian.
Enjoying yourself yet.
To Shayne neh nah neh nah
--
-
Compliments

John N Oakes
Manchester, England.

=============================
! Nightshift Morlock Worker!
! Landrover 110 V8 1988 !
! Atari/Win/Mac User !
=============================
 
>>> 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
>
> Thicker oil gives a richer accel due to a higher vacuum being present across the jet orifice.
> Badger.
>

You guys are right I'm a diesel man myself well that's my excuse anyway 8¬P
Check out http://www.jetlink.net/~okayfine/su/damper.html I know its for SU
carbs but they work on the same principal as strombergs

On the subject of SU's does anyone know of a twin SU conversion for a 2 1/4
if so which carbs are used ? and better still which needles ?

--
Andy

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


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


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 !
=============================
 
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