Best boost gauge for magnuson full#

Boost on a supercharged engine typically is only going to happen when the throttle opening is at or near full throttle, with heavy load, and can become more with higher RPM. Boost is when the positive pressure of the super charger becomes greater than the negative pressure (vacuum) that the engine creates. Now, what is boost? If you are running a supercharger (for example), it is always turning, and always moving air, though it is not always creating “boost”. The higher the vacuum reading, the better mileage you would have, due to throttle opening. Often times through the past, companies (including ourselves decades ago), including the OEM’s would market or sell an economy gauge which was simply a vacuum gauge. When under heavier throttle (higher percentage of throttle opening), you have lessened the amount of restriction, and air is able to flow more freely, hence a lower vacuum reading will occur. When the throttle is closed, or only partly open, you will have a higher vacuum reading due to the restriction your throttle blade produces. This is how it draws in the air/fuel mixture. This is the result of the down-sweep of the pistons while the intake valves are open. I've found the 6.0 has plenty of power naturally aspirated for around town driving and runs real close to stoichiometric ratio 14.7:1 according to my wideband air/fuel gauge.Any gas engine will naturally produce measurable vacuum any time that it is running. I have a vacuum/boost gauge and almost always drive the truck under vacuum. Anyone have any guesses? I'm really not sure what to expect. I think I'm going to take it to the track in the summer to see what 1/4 time it will do. If I want more I'm probably going to go get a LQ4 from the yard and rebuild it bulletproof / for performance from the bottom up to accommodate the blower. I don't plan on modding the engine further as I think it's taking all it can handle now. I have a TansGo shift kit and servos etc that I plan on having installed in the spring to elongate the life of the 4L65E. Power out the wazoo when I put my foot down, max boosting at 14 PSI. Very happy with the results! Truck has great driveability and for the most part unaffected gas mileage (if I stay out of boost).

Tuning complete on fourth go round with BlackBear. Sent from my XT1650 using Tapatalk Edited Octoby psualumni I am very happy that I went with the Whipple and now that I'm all tuned out on my fourth tune from BlackBear would not have done anything different. Once again I understand big power can be made from twin turbocharging V8s, even the LQ9. Look at how all the big names make power from production cars, from roots style supercharging V8s and turbocharging I4s or boxers. But that's where a turbo belongs, on a four cylinder cross flow engine. Not to knock turbocharging, I spool the s*it out of the one on my Cobalt SS with the 2.0L LNF. The ProCharger never appealed to me as I found it too much like an after thought third party product, sorta like a turbo charger strapped to the accessory assembly. However I am also now pushing 15lbs of boost and massive horsepower. I invested in a smaller pulley, 90mm throttle body, throttle body harness adapter, fuel injectors, fuel pump and tuning service. The Whipple is also more expensive initially and requires further expenses if you want to help if preform to it's maximum potential. It also has the best internal cooling system for delivery of colder charged air. Whipple is the better of the two between Magnuson, it moves more air, thus more power. I wanted a positive displacement (PD) roots style blower. In my opinion it's all about what you can afford and what kind of setup you want. How is the tuning with Blackbear coming along? Would you buy the Whipple again, or do it differently? I'm torn between Mag, Whipple, or ProCharger. I chose a FiveO Motorsport 340LPH in-tank fuel pump, and FiveO 72lb 750cc fuel injectors. I have been in contact with Justin from Black Bear Performance for tuning via EFI Live AutoCal. I added a 90mm throttle body from a 5th generation Camaro, so I will not be reusing my 78mm LQ9 truck intake throttle body. I went this route because I ordered a 3.000 pulley for higher boost, as opposed to the 3.750 pulley that comes with the turn key kit. I ordered the tuner kit which does not include fuel injectors, fuel pump, or handheld programmer. High-flow K&N air filter for stock air box W140ax mounted in intake manifold complete with fuel rails and injectors Turn Key comes with complete w140ax and everything needed to install:

Best boost gauge for magnuson