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im pretty sure this is variable valve timing. So at different RPM the computer will adjust the valve timing to suit the load on the engine and mave the engine more fuel efficient

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12y ago

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Can you use a vtec ecu on a non-vtec motor?

I'm pretty sure it would be a NO considering vtec engines have camshafts specifically made for high rpm use(when it kicks in). normal cars cams aren't different from low to high rpm. certain Honda's switch camshafts from low cam to high cam when vtec is activated


What does a vtec controller do?

It is simple, tha vtec conrloler let you regulate how much air and gas you whant's to go to your motor, le you start your vtec on any rpm you wnat. i recommended on a 2,500 or 3,000 that make you vtec work at full.


What the difference between small vtec and big vtec?

If im not mistaken , this can seen on the engine cover of the car... Big VTEC is normally written bigger than DOHC on the cover meanwhile small VTEC is written smaller which is smaller than DOHC writings on the cover. Big VTEC is normally b16b engine and second generation b16a engine. In addition, other engine such as h22a which can be found in honda accord 1995 and also prelude is big VTEC. Small VTEC is first generation of b16a engine and others. The VTEC engages at the certain rpm and varies for different model of engines. For example b16a big VTEC's swithover is at 5600 rpm where the valves engages. Small VTEC is underpowered compared to big VTEC and is almost can't be felt when VTEC engages. Big VTEC is very powerful, the VTEC engagement has a turbo like feel and it has 160hp or more, depends on the car. As mentioned above, the b16a engine delivers 160hp and 150Nm of torque at around 7000rpm.


What is vtec on Honda's?

VTEC stands for Variable Valve Timing and Lift Electronic Control. The VTEC system provides the engine with multiple camshaft profiles optimized for both low and high RPM operations.


Can you swap out a 1998 Acura Integra gs-r vtec engine with a 1998 Acura Integra gs engine?

ya for sure, any B18 engine can fit in an integra. I don't know why you would want to swap in a slower engine tho... The GSR engine is a B18c which comes with VTEC pulling out about 178 hp @ 7600 rpm and a GS/LS/RS usually come with a B18b Non VTEC pulling out about 142 hp @ 6300 rpm.


Do 91 Honda accord come with vtec?

Yes, Honda came out with the VTEC engine in 1989. Not all 1991s have the VTEC engine.


What are the RPM in a Honda Prelude?

Max rpm / redline (often they are actually different) is not based on the car but on the engine. Prelude S (F22A1 engine) max rpm: 6250-ish Prelude VTEC (H22A engine) Redline: 7200/7600 rpm Max rpm: 7400/8000 rpm Preludes from 92- were delivered with the following engine options F20A, F22A, H23A, H22A.


Is a d16a8 engine vtec?

Apparently no its not.. I own one and the revs def. go a bit nuts after 3/4k RPM though! Maybe a very primative form of VTEC who knows :p


What is a VTEC engine?

VTEC stands for Variable Valve Timing and Lift Control. It is a valve timing system developed by Honda to improve both performance and economy in their four cylinder engines. At low RPM the engine is more fuel efficient and at high RPM the engine produces more horsepower.


Why doesn't my 2000 Honda Civic EX have VTEC?

From the factory, a 2000 Honda Civic EX engine does have VTEC on the intake side only. It does not say VTEC on the valve cover, and in stock form you normally cannot tell that it is working, but it is there.Unless the engine has been replaced with a non-VTEC engine or you are not operating the car correctly, VTEC should be engaging at around 5000 rpm while the engine is at normal operating temperature.


Does a Honda VTEC engine get better miles per gallon than a standard engine?

The only thing that VTEC does is let u maintain higher RPM's. It should get about the same gas mileage, but it depends on how hard you drive it =)


How Vtec works?

The Honda VTEC system works using specially manufactured valves. These valve lift once the engine reaches a specific RPM range and releases ten to fifteen percent more power out of the engine.