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But the combustion process can be different, and that's why the chemical reaction can end up with different percentages of the various exhaust products. That was one of Shrinker's points. One set of combustion chambers, compression, heat in the walls, etc and distribution may prefer larger...

It could have hurt the entire pull because it was pretty consistant. Some time back I started a thread sharing an overlay between rich pulls, different carbs. The power was similar. But changing the jets on the smaller carb made a huge difference in power. For the bigger Franken carb, I...

I'll add, that if you or anyone has more than was captured vy the WayBackMachine, we can recreate it in a couple places so it doesn't get lost again.

You dyno guys can explain to me if I'm looking at an AFR calculated off the fuel consumption and a measured or assumed airflow, or from an WBO2. I ask because these my takeaway from the graphs: 1. This engine will keep increasing power until at least 5100 rpm 2. The Carter didn't loose or gain...

I've seen fuel come out when refilling a bowl through a vent. Could be at the rivet for the vent whistle (splash deflector). I don't know those blocks in particular but may be worth keeping an eye on the top of the well plugs. Looks like a little puddle there. Clean it up and check during and...

The points of both the posts above are on the money - so to speak. The Holley 3310 for Chevy's 396 for example had snivies to balance booster distribution direction for that engine and intake. As far as the percentage of charge, point is valid, but the mass quantity is different than the...

I think so. I may have saved it, or some of it into a word file. I'll look later this week. Shame Ken took it down, but its understandable since he decided running the forum was not for him anymore.

Hysteric. Do you have the MSV topic "Dyno time" Saved? original url was http:// motorsportsvillage.com/forum/viewtopic.php?f=6&t=9693

You're right but I disagree. Accelerator pump is to cover for when the pressure changes rapidly in the intake. There are two phenomenon occuring - one is the somewhat slow response of the low speed circuit, and the other the fact that rapid rise in pressure causes the walls to dry out...

https://www.forabodiesonly.com/mopar/threads/anyone-try-thompson-powerblast-plate.423756/#post-1972323158 and here is someone else who tested them, but then corrected the problem https://www.forabodiesonly.com/mopar/threads/shooters-that-vaporize-fuel.521361/#post-1973974590 But depending on...

I'll add to RRR reply. Dirt track, not Miatas. Miatas had a fair amount of body roll, not like a go kart in that sense at all. They had poor torque off the line, good higher up. In general they were momentum cars. Lose too much speed - and thats on the driver - and easy to do in an autocrss...

Unfortunately I got to learn that the hard way after the experienced mechanic across the way was telling me how great those disks that look like green scotchbrite were for cleaning up after gaskets. Couldn't figure out why the cast iron right angle adapter was leaking. They never leak and that...

Well its working this morning. But here's a copy as an attachment. (hopefully)

H'm. Reading again, he's not saying it doesn't move. Right? He's saying the ideal location of the line could be further up or down the strap. There is no evidence of overheating. The line on the strap electrode that is near the weld is sometimes interpreted by tuners to be evidence of the...

apparently folks down under thought he made their head shrink. LOL Makes mine think its going to explode. I read it (page 10) that he couldn't correlate it. There is no evidence of overheating. The line on the strap electrode that is near the weld is sometimes interpreted by tuners to be...

I'd be curious about larry's current opinion on it. I think like Bruce, his opinions evolved over time thorugh experience and personal observations and testing. Try this direct link for Shrinker's paper. http://gallery.myff.org/gallery/1486369/Sparkplug+reading.pdf If that fails I'll try to...

A couple more views. Both guys have worked a lot with tuning race engines on dynos and at the track. Bruce "Shrinker" Robertson: The direct link I posted in that thread still works. PDF format. racingfuelsystems-Shrinker on Spark plug reading This goes in pretty deep, with each example...

Dan was first in line! LOL I don't recall ever taking the cap off when it was hot. Even if it doesn't have the oomph of pressure behind hit, not worth the risk to me. The end for me was after opening the radiator with a clutch fan while in line at Englishtown. Track was nice and let me...

For the street, with an open system. Use an inorganic technolgy coolant mix. aka mix Conventional green with distilled water. a. It's anti-corrossion properties are quicker acting than any of the OATs and HOATs incldung 'universal' coolant. b. It has anti corrosion addititives to protect copper...

Its a good question. I dont know that we can answer that over the internet, but I do think its worth trying to understand. The first thing I might want to look at is the fuel logs if you have them. In other words is the AFR flat in the rpm range of interest? Make sense?

Bruce knew and wrote plenty about reversion so I have to disagree with that. In fact I recall discussions with him about black up the intake and even into the carbs. I agree that when statements are taken out of their original context, they may in part no longer be true. When a carb is...

Actually Calvin built his headers for the engines he was given.* In fact he often mentioned that he rarely got any opportunity for input on the engine. One of his main working points was that "blowdown length" is "king" While one doesn't want to restrict at maximum output, it is just or more...

Not really. Too many other factors. In addition to cam specs, RPM range(s) of most interest, displacement, VE are three of the big ones. Pipemax will show the effects of changing the variables. At least for me it was well worth the price of admission. YMMV

Sounds about right. Go over to speedtalk forum and search for everything posted by Calvin Elston. IIRC screen name "exhausted" And/Or do a search here for that name as I've posted some links in the past. Another name to look for is Larry Meaux. He's the creator "Pipemax" software, and has a...

For the controlling the ignition circuit what you showed is correct. here's a Tyco Tyco / Bosch 30/20 Amp Relay – CE Auto Electric Supply For doing what crackedback shows, the CD relay needs to handle quite a bit more current, hence something like the Cole hersey is needed.

Sorry I'm just tryin gget stuff done away from the computer. Cole Hersee 24059 Insulated Continuous Solenoid | Waytek Is super overkill for the design concept above. It probably draws about the same power as a starter solenoid, and if so I would not use it on the run circuit like shown above...

To keep the ammeter as a useful indicator of battery charging and discharging, then the power connection to the relay must be kept on the alternator side of the ammeter. I would probably add both wires if keeping the ammeter. The reason is it provides a second path for the alternator power to...

Basically this is an illustration of an approach that came out of discussion in a thread with @67Dart273. If going with an anlternator with internal regulator and single wire, crackedback's approach probably makes more sense. The one here retains more original wiring layout and works with an...

I don't see anything in his comments that impact the drawing you're following. The relay there is normally open. There's fusible links (could be maxifuses) on all power forward except for the starter. Thats only hot when the key is in start.

Maybe more than you wanted to know about motor gasolines, but perhaps the most thorough readable article. Chevron's motor-gas-tech-review.pdf 260 GT is an oxygenated fuel that can be sold for street use. Fuels - Sunoco Race Fuels Fuel Selector - Sunoco Race Fuels They're not the only game in...