Bbc Total Timing. Subscribed 72 51K views 15 years ago Big Papa Steve Pupa setting the

Subscribed 72 51K views 15 years ago Big Papa Steve Pupa setting the timing on the ol 1972 Big Block Monte Carlo. I've noticed I can advance the timing and the engine speeds up, produces more vacuum, and in general runs better. May 29, 2006 · BBC heads have very slow flame travel and the piston is a large diameter, So BBC respond well to a lot of timing. BTW a buddy used the GM/Edelbrock rectangular ports on his 540 and found they also liked 32-34* max total. And for 540ci BBC Street/Strip motors in particular, 37* total is often the best. Then it can be fine tuned with the timing light after. Is your vacuum pot adjustable? Apr 12, 2022 · Hello. 96^4 = 85% efficiency right out of the gate. We would like to show you a description here but the site won’t allow us. Is it just the big bore, open chamber, and dome that cause more advance requirements? Feb 11, 2023 · Yes, that's legit and you're dealing with the timing the right way: start with the correct full mechanical (no vacuum) timing, and curve the distributor so the starting and idle timing work well. , comp cam XM270 cam. The only reason Jun 25, 2015 · From what I have read, it seems that 18 degrees initial timing is a good starting point for a BBC. Total timing has a lot to do with chamber design. I'm running a stock HEI distributor. Sep 14, 2008 · The intial timing is what you have at idle and the total is what the timing is when your distributer has reached max advance, usually 2500 rpm or more. What should I look for on the plugs if I have too much timing? We would like to show you a description here but the site won’t allow us. JIM Jan 23, 2010 · Then 20 deg base timing + 16-18 deg mech in dist = 36-38 total which is a decent starting place for a street perf ign timing curve with an aftermarket perf cam. Not sure what heads you have but your combustion chamber will make the difference there. You'll know if the initial timing is too high if the starter drags when trying to start the motor hot. That is not a cam for a low idle. To Spray 400 on fogger what total timing should be used? Base timing is 32. do u run a little more with the factory stuff in a performance engine . more Live news, investigations, opinion, photos and video by the journalists of The New York Times from more than 150 countries around the world. Nov 4, 2019 · Your total timing “no vacuum hooked up” is a bit high. I run 20 degrees initial on cams in the 290 degree range. I now got timing tape and a light. So you didn't degree the cam? Most BBC's like a bunch of timing, usually 38-40 total, very little advance and light springs so it jumps to it's happy place quickly. summitracing. com/parts/cca-11-208-3 What would be a good number for total timing without Vac can connected? Oct 9, 2012 · Johnny Wishbone Member from Fenton, Mo. I Jul 25, 2011 · With factory steel heads , what total timing do u guys run . All, this video was designed to help others. Dec 3, 2010 · 24*BBC heads love timing. I have it running at 21 degrees Nov 21, 2015 · Set the total timing to 36* and then see what you end up with at idle. This way your extra 2 degrees of timing don't come in until after 6000 rpm. May 27, 2012 · BBC motors in general, due to the chamber design, tend to want a little more "total" timing than that; usually around 38°. Sep 22, 2014 · I've ran 38* total, LOCKED, timing with no vacuum advance, off and on since I built the 439 BBC that's in my car, and installed a year ago. and do i have the vacuum line off when putting it in time? and at what Rpm do i hold it at for advancement? oh and this car is going to be a a semi daily driver. ) Set your Timing Light to your desired total Jun 28, 2005 · I'm a newbie and have a real basic timing question. If it's off by 1 or 2 degrees. Aug 1, 2006 · glowing headers is a rich mixture and/or retarded timing. MY old style Brodix heads like 39*. As for 540ci BBC Street/Strip motors in particular, 37* total is often the best. Sounds like a potent combo,whats it in ?? Static timing is a function of essentially setting the timing by hand with the motor not running. You could try it by adding in a degree or two of timing to the total timing of the car, then retarding that timing with an rpm switch from say 0 - 6000 rpm. Nothing wrong with 20 degrees advance at idle unless starting hot becomes an issue. Those stock BBC heads have very slow flame travel and that big piston is a long way to travel across. I have heard that some of Jul 2, 2012 · What is best to use on a jet boat, a single, or dual stage advance curve for your ignition. Would like to know the recommended initial and total timing on a ZZ502. Oct 15, 2001 · C3 Tech/Performance - LARS: TOTAL TIMING FOR BIGBLOCK - LARS: COULD YOU POST AN ARTICLE ON SETTING TOTAL TIMING FOR MY 502. Jun 14, 2011 · Since I've never tuned on a BBC before, and I often hear "38 degrees total timing" on this board, I was just wondering.

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