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lowest idlle speed

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niall Casual Dubber

20 posts · joined Jan 2012 ·

#909889
Hi all, whats the lowest sensible idle speed i should run on my 61 baja beetle, 1600tp?

Its at about 1200rpm hot idle, but it drives me nuts because it sounds like its racing. I know there is a danger of overheating with low speeds but i have an accurate oil gauge adn i never have high temps.

Can we run a 900 idle on these things?

donn Wolfsburg Elder

3,515 posts · joined Nov 2005 ·

#909892
Mine has always run at 900rpm idle
I dream of a day when a chicken can cross a road without being asked for it's motive!

toey1984 Commited Dubber

73 posts · joined Feb 2012 ·

#909893
a work shop book here ( for the type 3 cooling system though) says 600 - 650 rpm. i had my old beetle with a 1500 set at 750rpm and it seemed fine
Nathan

matberry Moderator Go hard or go home

8,114 posts · joined Mar 2006 ·

#909907
I aim for 750-800 for a stocker
Matt Berry Motorsports...air cooled advice, repairs and mods Ph 0408 704 662
OFF-ROAD,CIRCUIT,DRAG,STREET,ENDURANCE

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#909912
niall wrote:Hi all, whats the lowest sensible idle speed i should run on my 61 baja beetle, 1600tp?

Its at about 1200rpm hot idle, but it drives me nuts because it sounds like its racing. I know there is a danger of overheating with low speeds but i have an accurate oil gauge adn i never have high temps.

Can we run a 900 idle on these things?

yikes.. ONE BOOK SAYS 550??

ANOTHER SAYS 800-900 and the semi auto to 1000rpm

chiltons says 550 very early then 750 or 850 rpm

so, looks like 850 for a standard 1600 engine..

1200rpm is much too fast....

and Your engine won't over heat when idling at 850 rpm...
with the choke OFF...

automatic choke will increase the idle speed depending on the temperature....

LEE
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#909916
800 to 850 rpm is OK...

My semi automatic is running at 1000rpm at the moment and about 900-950 in the summer..

Lower is better than 1200...

Your carburetor is made to operate at the lower speeds...
and Your distributor depending on what model
vacuum or mechanical or both...

LEE
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

68AutoBug Beetle Restorer - Experience over 138\% - YIKES --

11,654 posts · joined Aug 2002 ·

#909917
Look up ; http://www.vw-resource.com/

and check out -- idle speed --

cheers

LEE
- Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY---

niall Casual Dubber

20 posts · joined Jan 2012 ·

#909932
ty guys, i dont know where i got my information in the past, but im glad its wrong. a 900 idle will make me very happy 🙂

RISKY4LIFE Officially Full-On Dubber

308 posts · joined Jul 2010 ·

#909952
make sure your timing is right before adjusting your carby