On Jun 9, 11:02 am, jim beam <spamvor...@bad.example.net> wrote:
> madmanguru...@gmail.com wrote:
> >> Running well hot, cold and during warmup? Good power and pickup?
>
> >> Was it a straight drop-in ,or did the mechanic have to monkey around with
> >> the brackets and fittings?
>
> >> Did all your engine sensors fit properly?
>
> > The replacement engine was fitted with a rebuilt distributor (with new
> > sensors) and a fresh timing belt. A new radiator was installed, as the
> > old one had the old-age corroded fin problem. The oil pressure sensor
> > was swapped from my old engine. No warnings, alarams, CELs -
> > everything seems to be running fine. It was a direct drop-in with no
> > modifications to the mounts, AFAIK, since the Z6 engine is from the
> > same model year.
>
> > There's definitely a note change between the two engines. The D15B7
> > sounded like an angry sewing machine. The D16Z6 actually has a more
> > respectable throaty growl going on.
>
> > The clown car is A/T so the acceleration gain isn't huge, but is
> > noticeable. The low-end torque seems to be greater.
>
> it will be - the low speed part of the cam is optimized for it.
>
> > The main thing
> > that I've noticed is that the engine isn't working nearly as hard to
> > get the car up to speed. The RPMs are definitely lower.
>
> now /that/ is impossible unless you also swapped the transmission!!!
>
> > Bringing it up
> > to highway speed (120 - 130 km/h) is not a problem, and the vibration
> > level is much reduced compared to what I'm used to. Without the VTEC
> > wired up I didn't expect to see a speed improvement - 130 is as fast
> > as I feel comfortable doing in such a small car, so no loss there.
> > Finding a VTEC-enabled ECU and wiring up the VTEC isn't a priority,
> > but if I happen to find a working one at a good price, I'll certainly
> > go ahead with it.
>
> you should do it. the vtec cam has two profiles - low speed and high
> speed. running the low cam at high speed is losing efficiency.
>
> you can get a simple rev-triggered switch from one of the after-market
> companies that will work the solenoid for you - no new ecu required.
>
> this is not the one i had in mind, but it gives you an idea of what i mean:http://www.jegs.com/webapp/wcs/store...0001_10002_754...
>
> don't switch the secondary cam at too low revs though. i think factory
> is near 5krpm.
>
>
>
> > We've put 200km or so on the engine since the swap, and have had only
> > a minor issue with a hose leak at the new radiator, which was repaired
> > earlier today. We're going for a good highway drive later today.

900km with no problems.

I noticed that the oil pressure light takes around 2 seconds to turn
off after starting the engine. It never comes on during normal
operation.

 

<madmanguruman@gmail.com> wrote in message
news:1181579153.410180.317890@q75g2000hsh.googlegr oups.com...
>
> 900km with no problems.
>
> I noticed that the oil pressure light takes around 2 seconds to turn
> off after starting the engine. It never comes on during normal
> operation.
>
>
Could it be the oil filter is aftermarket with no (or inadequate)
antiflowback valve?

Mike

 

<madmanguruman@gmail.com> wrote in message
news:1181579153.410180.317890@q75g2000hsh.googlegr oups.com...
>
> 900km with no problems.
>
> I noticed that the oil pressure light takes around 2 seconds to turn
> off after starting the engine. It never comes on during normal
> operation.
>
>
Could it be the oil filter is aftermarket with no (or inadequate)
antiflowback valve?

Mike

 

madmanguruman@gmail.com wrote:
> On Jun 9, 11:02 am, jim beam <spamvor...@bad.example.net> wrote:
>> madmanguru...@gmail.com wrote:
>>>> Running well hot, cold and during warmup? Good power and pickup?
>>>> Was it a straight drop-in ,or did the mechanic have to monkey around with
>>>> the brackets and fittings?
>>>> Did all your engine sensors fit properly?
>>> The replacement engine was fitted with a rebuilt distributor (with new
>>> sensors) and a fresh timing belt. A new radiator was installed, as the
>>> old one had the old-age corroded fin problem. The oil pressure sensor
>>> was swapped from my old engine. No warnings, alarams, CELs -
>>> everything seems to be running fine. It was a direct drop-in with no
>>> modifications to the mounts, AFAIK, since the Z6 engine is from the
>>> same model year.
>>> There's definitely a note change between the two engines. The D15B7
>>> sounded like an angry sewing machine. The D16Z6 actually has a more
>>> respectable throaty growl going on.
>>> The clown car is A/T so the acceleration gain isn't huge, but is
>>> noticeable. The low-end torque seems to be greater.
>> it will be - the low speed part of the cam is optimized for it.
>>
>>> The main thing
>>> that I've noticed is that the engine isn't working nearly as hard to
>>> get the car up to speed. The RPMs are definitely lower.
>> now /that/ is impossible unless you also swapped the transmission!!!
>>
>>> Bringing it up
>>> to highway speed (120 - 130 km/h) is not a problem, and the vibration
>>> level is much reduced compared to what I'm used to. Without the VTEC
>>> wired up I didn't expect to see a speed improvement - 130 is as fast
>>> as I feel comfortable doing in such a small car, so no loss there.
>>> Finding a VTEC-enabled ECU and wiring up the VTEC isn't a priority,
>>> but if I happen to find a working one at a good price, I'll certainly
>>> go ahead with it.
>> you should do it. the vtec cam has two profiles - low speed and high
>> speed. running the low cam at high speed is losing efficiency.
>>
>> you can get a simple rev-triggered switch from one of the after-market
>> companies that will work the solenoid for you - no new ecu required.
>>
>> this is not the one i had in mind, but it gives you an idea of what i mean:http://www.jegs.com/webapp/wcs/store...0001_10002_754...
>>
>> don't switch the secondary cam at too low revs though. i think factory
>> is near 5krpm.
>>
>>
>>
>>> We've put 200km or so on the engine since the swap, and have had only
>>> a minor issue with a hose leak at the new radiator, which was repaired
>>> earlier today. We're going for a good highway drive later today.
>
> 900km with no problems.
>
> I noticed that the oil pressure light takes around 2 seconds to turn
> off after starting the engine. It never comes on during normal
> operation.
>
what oil are you using?

 

madmanguruman@gmail.com wrote:
> On Jun 9, 11:02 am, jim beam <spamvor...@bad.example.net> wrote:
>> madmanguru...@gmail.com wrote:
>>>> Running well hot, cold and during warmup? Good power and pickup?
>>>> Was it a straight drop-in ,or did the mechanic have to monkey around with
>>>> the brackets and fittings?
>>>> Did all your engine sensors fit properly?
>>> The replacement engine was fitted with a rebuilt distributor (with new
>>> sensors) and a fresh timing belt. A new radiator was installed, as the
>>> old one had the old-age corroded fin problem. The oil pressure sensor
>>> was swapped from my old engine. No warnings, alarams, CELs -
>>> everything seems to be running fine. It was a direct drop-in with no
>>> modifications to the mounts, AFAIK, since the Z6 engine is from the
>>> same model year.
>>> There's definitely a note change between the two engines. The D15B7
>>> sounded like an angry sewing machine. The D16Z6 actually has a more
>>> respectable throaty growl going on.
>>> The clown car is A/T so the acceleration gain isn't huge, but is
>>> noticeable. The low-end torque seems to be greater.
>> it will be - the low speed part of the cam is optimized for it.
>>
>>> The main thing
>>> that I've noticed is that the engine isn't working nearly as hard to
>>> get the car up to speed. The RPMs are definitely lower.
>> now /that/ is impossible unless you also swapped the transmission!!!
>>
>>> Bringing it up
>>> to highway speed (120 - 130 km/h) is not a problem, and the vibration
>>> level is much reduced compared to what I'm used to. Without the VTEC
>>> wired up I didn't expect to see a speed improvement - 130 is as fast
>>> as I feel comfortable doing in such a small car, so no loss there.
>>> Finding a VTEC-enabled ECU and wiring up the VTEC isn't a priority,
>>> but if I happen to find a working one at a good price, I'll certainly
>>> go ahead with it.
>> you should do it. the vtec cam has two profiles - low speed and high
>> speed. running the low cam at high speed is losing efficiency.
>>
>> you can get a simple rev-triggered switch from one of the after-market
>> companies that will work the solenoid for you - no new ecu required.
>>
>> this is not the one i had in mind, but it gives you an idea of what i mean:http://www.jegs.com/webapp/wcs/store...0001_10002_754...
>>
>> don't switch the secondary cam at too low revs though. i think factory
>> is near 5krpm.
>>
>>
>>
>>> We've put 200km or so on the engine since the swap, and have had only
>>> a minor issue with a hose leak at the new radiator, which was repaired
>>> earlier today. We're going for a good highway drive later today.
>
> 900km with no problems.
>
> I noticed that the oil pressure light takes around 2 seconds to turn
> off after starting the engine. It never comes on during normal
> operation.
>
what oil are you using?

 

> what oil are you using?

5W-30.

Dunno about the oil filter (will have to take a look).

 

> what oil are you using?

5W-30.

Dunno about the oil filter (will have to take a look).

 

> what oil are you using?

5W-30.

Dunno about the oil filter (will have to take a look).

 

madmanguruman@gmail.com wrote:
>> what oil are you using?
>
> 5W-30.

er, ok, what BRAND oil are you using? whatever it is, change to a
quality reputable brand. when in doubt, i use castrol.


>
> Dunno about the oil filter (will have to take a look).
>

fresh oil filter helps.

 

madmanguruman@gmail.com wrote:
>> what oil are you using?
>
> 5W-30.

er, ok, what BRAND oil are you using? whatever it is, change to a
quality reputable brand. when in doubt, i use castrol.


>
> Dunno about the oil filter (will have to take a look).
>

fresh oil filter helps.

 

madmanguruman@gmail.com wrote:
>> what oil are you using?
>
> 5W-30.

er, ok, what BRAND oil are you using? whatever it is, change to a
quality reputable brand. when in doubt, i use castrol.


>
> Dunno about the oil filter (will have to take a look).
>

fresh oil filter helps.