| |
Click on image for the lowdown. 
====
| | | Forums66 Topics128,021 Posts1,055,346 Members48,420 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | |
#70276 12/18/2006 10:05 PM | Joined: Mar 2005 Posts: 58 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2005 Posts: 58 | I did a search to help with this question but cant find the answer. I have a 57 3100 with a rebuilt 235 and Rochester carb. My manual says that idle should be 475rpm. I have is set at about 650 and it seems about right. 475 is really too low. I need your opinions. What do you set your idle speed at? | | |
#70277 12/18/2006 10:11 PM | Joined: Jul 2004 Posts: 5,708 'Bolter | | 'Bolter Joined: Jul 2004 Posts: 5,708 | Kevs57,
I was always taught 500 RPM was the target idle speed.
Stuart | | |
#70278 12/18/2006 11:18 PM | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | The specs are just a guide. Use what is comfortable. They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | |
#70279 12/19/2006 2:50 AM | Joined: Oct 2002 Posts: 4,066 Bolter | | Bolter Joined: Oct 2002 Posts: 4,066 | mine is at about 700, I like it that way.. Redryder pixMy HotrodA veteran - whether active duty, retired, national guard, or reserve - is someone who, at one point in his or her life, wrote a blank check made payable to The 'United States of America', for an amount of "up to and including my life."I am fighting cancer and I am winning the fight | Pain is part of life; misery is an option. | | |
#70280 12/19/2006 2:55 AM | Joined: Nov 2001 Posts: 1,517 'Bolter | | 'Bolter Joined: Nov 2001 Posts: 1,517 | usually between 550-600 is abt. right. its kinda just personal preference. | | |
#70281 12/19/2006 3:11 AM | Joined: Mar 2005 Posts: 1,029 Member | | Member Joined: Mar 2005 Posts: 1,029 | Mine is at about 300, but I generally use the hand throttle to increase it to generating RPM and for better cooling. It does pull OK from 300. This is on a 206.8 CID engine. | | |
#70282 12/19/2006 5:49 PM | Joined: Mar 2005 Posts: 58 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2005 Posts: 58 | OK. Thanks to all of you for the response. When the weather warms up I will look at this again ( along with a brake job). It is running good so I may leave well enough alone. | | |
| |
| |