34 78 Optima Battery Trays, 75 35 Optima Battery Trays items in Wieland Custom Machine store on eBay! "Dropping" your car basics - reference - DO NOT POST QUESTIONS - Honda Civic Forum. Hunh, MelJ asked me about this, so i guess i will add to the thread: Chassis stiffeners: Front strut bar: There is a side note here: If you want the front strut bar/brace for improving performance, forget. It will give you maybe 0.1 sec. It does improve the feeling at the steering wheel and feed back, some torsion when crossing laterally speed bumps or driveway entries.
My personal experinece in the civic and the miata was just that. Some might say it improved, but it is actually psychosomatic. WARNING!!! 8th gen: Forget - the strut tower is almost under the windshield - they are close enough if not almost embedded to the firewall. This one is full of bends and wrong direction of the cross section... 7th gen: Struts, somewhat at a distance from the firewall, might benefit on torsion when passing one wheel per time over a bump. 4-6th gen Double wishbone - will get less improvements than the strut 7th gen. 3rd and earlier gen - they torsion bars, no need.
How to select? Good design: ISKY Racing Cams - Do It Right. Race with the Legend. Camshafts, Connecting Rods, Valve Springs, Lifters. Cam degreeing is simple THE FOUR CYCLE ENGINE Indeed, cam degreeing is simple, but first let's make sure you have a good understanding of the cam's function in the four cycle engine. You probably already know the four basic strokes of the four cycle engine: INTAKE, COMPRESSION, POWER, and EXHAUST.
Each stroke represents one-half of a revolution of the crankshaft or 180 crank degrees. 4 cycles x 180° = 720° or two revolutions of the crankshaft. Two revolutions complete one sequence of the four strokes. The camshaft is connected via the timing chain and sprockets at a 1:2 ratio to the crankshaft and therefore revolves once for every two turns of the crank. Its purpose is to operate the intake and exhaust valves in the correct timing with the piston as it sequences thru the four strokes. EARLY SLOW SPEED ENGINES In the old days, the first four cycle engine had very short valve timing, but rightfully so because these were slow speed engines. IS CAM DEGREEING NECESSARY? Car Suspension Tuning: geometry setting guide. Spring Rate: It is a ratio indicating the resistance of a spring during bump or rebound (compression or expansion).Also known as suspension rate, it is critical for setting the correct ride height and is proportionate to the movement of the length of component travel in its stoke phases.
As we know the whole job of suspension is to keep the wheels and tyres in contact with the ground at all times, for total performance. By having the ability to change the spring rate, heavier vehicles can have a higher setting to stop the suspension bottoming out under extreme loads, or if the car has big downforce generation abilities. Softer spring rates could be an advantage in rougher terrains or raised kerbs at apexes. If have seen a car jump of a kerb at speed, than lower spring rates are needed. Sometimes people complain when driving sports or track focused cars with competitive suspension on normal roads, this is because of higher spring rates. Wheel Rate: Slant Six Forum, :: View topic - The limits of narrow band tuning? After race day at Hagarstown, my energy for doing actual work on the Dart had lost some of it's umph. Until one evening, when my wife sys, "The Dart doesn't start very well does it?
" "What are you talking about, it starts every time", I reply. Humph. "Yeah, but takes 3 or 4 tries", she says. "Only when it's cold", I respond. I could tell that was not good enough by the ensuing silence. I raised the 80 degree ECT enrichment constant from 110 to 115,and bingo, the car started and idled fine. So, I watched as the engine heated up to the point where closed loop is engaged and the o2 readings start influencing the fueling mixture. So, it is not real convenient, and Al, I do plan on getting the wide band gauge figured out, but in the mean time, what are the limits of this?
And a corollary to all this, some here seemed to think auto tune would work with a narrow band, only with limits. Sam. OXYGEN SENSORS. Home, Automotive Repair Library, Auto Parts, Accessories, Tools & Equipment, Manuals & Books, Car BLOG, Links, Index Copyright AA1Car Computerized engine control systems rely on inputs from a variety of sensors to regulate engine performance, emissions and other important functions. The sensors must provide accurate information otherwise driveability problems, increased fuel consumption and emission failures can result. The Oxygen Sensor is one of the key sensors in this system. The first O2 sensor was introduced in 1976 on a Volvo 240. Oxygen sensor internal components The O2 sensor is mounted in the exhaust manifold to monitor how much unburned oxygen is in the exhaust as the exhaust exits the engine.
A lot of factors can affect the relative richness or leanness of the fuel mixture, including air temperature, engine coolant temperature, barometric pressure, throttle position, air flow and engine load. The OBD II system is designed to monitor the emissions performance of the engine. FAQs - Frequently Asked (Tech) Questions - Honda. 12' MegaSquirt Wiring Harness (MS1 / MS2 / MS3 Ready) DIYAutoTune.com.