Categories : Auto Repair

knocking noise in engine

Concern type: Maintenance & Repair service What triggers a knocking noise in the engine when cranked and accelerating? Thrown rod, carbon develop on top of a piston, damaged rocker arm, you need to track it down, if it is a rod don’t drive it or you will absolutely destroy the engine. Ok. I have seen that when my vehicle is idle under 1 rpm whether in park or in drive there is a knocking noise. Now when driving or just revving the engine it stops at right prior to 2 rpm. But it k. I can hear a small noice when the car is idel. When i press the gas pretel i do not hear it however as soon as i launch it i does it loudly … I can likewise hear it when the automobiles in park and idel but it is lo … We have an 2006 acura tl that we have actually had two transmissions changed in. The vehicle has actually begun making a loud knocking sound which we believed was from the crank shaft pully however that was not the case. T. My vehicle has ran perfectly given that I acquired it about a year back, from a garage in a low income area, and I am now reaching the 200k mile mark. That being stated I did have ONE issue BEFORE to …
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Ways to Select a Torque Converter For Your Huge Tire Drag Automobile

If you are building a racecar and have to select the correct torque converter, begin with the class you want to race or the bracket you want to compete in and work backward from there. We are going to utilize the Car Craft 1971 Dodge Devil, twin-turbo drag vehicle as an example. We desired compete in the Outlaw 6.0 Index class at a track that enables door jails with any tire and any suspension. To go 6.0 in the eighth-mile the vehicle needs to can at least 125 miles per hour. To streamline things, we are going to use quarter-mile times and mph and call it 9.20 s at 145. The car weighs 3,000 pounds with fuel and a driver so the math states it requires about 715 rwhp to go 145 miles per hour in the quarter (hp = (mph/ 234)3 x weight). The engine made 480 hp naturally aspirated. Adding 14.7 pounds of boost from the turbos will theoretically double the horse power and make 960 minus about 20-percent for drivetrain losses offering us about 768 rwhp. That exact same miles per hour needs a 3.90:1 rear gear ratio to put us in the traps near RPM peak (without going to the next offered ratio and over revving). Here is the mathematics: gear ratio = (rpm x tire diameter)/ (mph x 336). As soon as you know the power, the weight, the power adder (if any), the engine specifications, rear gear ratio, and transmission, you have adequate details to make an informed decision about the converter. Possibly. We spoke to Joe Rivera at Pro Torque who offered us some general guideline for how a converter should act. “In a turbo car, the spool time on the trans brake need to be 1.5-2.5 seconds to the very first chip (low rev limitation), and the portion of slip need to be in the mid-to-high single digits in the eighth mile, and low to mid-single digits in the quarter, depending upon the gear.” “Slip,” implies the relationship in between driveshaft rpm and engine rpm determined using data acquisition (or math) at WOT. Rivera also looks at torque converter charge pressure at the trans cooler inlet; too little circulation and the converter is too loose and too much circulation and it is to …
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