i have just bought a bb1 prelude h22a1 but when i accel i do not hear a vtec engagement where should i start beside the vtec solenoid.?

 

I don't hear VTEC on my car.

 

is it a slight crossover? very diffrent from a h22a4 bb6 lude
not to familiar with bb1 lude

 

no it cracks hard either way.... you got problems, check your oil level, vtec solenoid screen make sure thats clean. make sure no one ****ed with the wires for the vtec also. and reset your ecu take it out an let it sit for 5 mins

 

If it cracks hard, its NOT good.......Should be smooth an almost un-noticeable.

 

sorry my cams are a little aggresive ;]

 

More aggressive than a JUN or S2P2? [I run JUN and you can't really hear or feel VTEC x-over@5000rpm]

I fixed it for you;
what cams? Tuned with what? Cam gears set @?

 

i see so bb1 lude vtec engagement is almost seamless

 

Well, properly tuned, any vtec should be.

 

On my 1994 Honda Prelude VTEC (H22a1), I can feel VTEC engagement on the stock tune. I can also hear it very distinctly when it crosses over into VTEC. I know properly tuned it should feel/sound seamless, but it IS the stock tune.

That's just my experience, but I hope that it helps. Individual Experiences May Vary... lol

I concur. Maybe it is a seamless crossover on your motor/ecu/tune, and you're just not feeling/hearing it. If not, at least you checked a couple of vital points on your new engine for flaws and know they're ok. Good Luck!

~Peace

 

There is a mechanical test you can perform, but it requires special Honda tools. You could run a TEMPORARY wire out from the sol. wire into the cabin hooked to a test light. If the light illuminates, the solenoid is getting the command from the ECU. Then the mechanical test is in order. Make sure the MIL light bulb works. Ive seen where the bulb gets removed in order to sell a car. You might have dtc's disabling VTEC.

 

thanks for the info i will try to figure it out

 

Listening to Vtec engage in 3rd gear, ah man, it sounds so good.

 

Pop it into 5th gear from 3K rpm and floor it in 5th, if VTEC works then you should hear a notice-able change in engine roar/volume as the RPM climbs up slowly in 5th gear. VTEC should kick in @ around 5.2K rpm.

My JDM H22's VTEC pop loud as f*ck at 4.5K RPM, and yes, stock cams & chipped P28 ECU.