Camaro 2012 Procharged L99 Only 3 PSI

[Unreal]

It sounds like he is just revving it at neutral and wondering why he isn't seeing more than 3psi. Uhh, because it is in neutral. Go do a 3rd or 4th gear pull and see what it says.

[jordaromera]

Originally Posted by Unreal

It sounds like he is just revving it at neutral and wondering why he isn't seeing more than 3psi. Uhh, because it is in neutral. Go do a 3rd or 4th gear pull and see what it says.

Only the last test is performed in neutral, the all other test is performed running the car and i have 3 psi in the map with the stock pulley and 5 psi with the 3,9pulley. But not in neutral. Running in 4th gear

it is assumed that in neutral i have more psi not less.

[maroboy14]

Are you setting any codes when you pull in third or fourth gear? Also did you change you spark plugs to a colder plug and gap to .035?

[jordaromera]

Originally Posted by maroboy14

Are you setting any codes when you pull in third or fourth gear? Also did you change you spark plugs to a colder plug and gap to .035?

I don't understand... Have any relation with the pressure of the procharger? Please recomend me a spark plugs for my camaro supercharged for place a order. Thanks

[Ray@RDS]

Make a wot pull in 3rd gear! Do you have an afr gauge, f/p gauge? And if all possible a mechanical boost gauge? Your altitude may be a direct reason your boost is not up to the specific #' being advertised and belt slip may also be a contributing factor.
So.... If I was there.... First thing I would do is put a vacuum gauge on it, add a fp gauge and drive it up to third gear, I am assuming that jre has already set pe to allow fueling to be there! Which I do know he is more than capable of... And start eye logging your boost! You just may need a smaller pulley/belt...
I have installed many p1se's on several 6.2's and only seen minimal boost out of the box and I am at @1000ft above sea level... Be patient and get some tools on it
My .02 cents advice
Boost is addictive!
Cheers!

[maroboy14]

Originally Posted by jordaromera

I don't understand... Have any relation with the pressure of the procharger? Please recomend me a spark plugs for my camaro supercharged for place a order. Thanks

Try NGK tr6. Part # 2238. If the engine is miss firing due to supercharger blowing out the spark, you can lose boost pressure.

[ProCharger]

Originally Posted by jordaromera

it is assumed that in neutral i have more psi not less.

100% incorrect, a car hardly makes any boost when reved up in neutral.

We send out countless numbers of these kits each week, not to mention we do a lot of BETA instals here at our facility. We never change pulleys on the cars, and they are VERY repeatable.

Impellers are made in large large batches,
All the gears are made in even larger batches,
Same with the castings, and pulleys.

Even if an impeller was made incorrectly, it would be caught at the time of assembly when they get checked for tolerances, before they get balanced.

With that being said, lets get down to what could be going on with your car.

Has this car been on a dyno?
If so, what is the logged PSI under WOT, and AFR? Please post these results.

Has anyone checked the boost level "PRE" intercooler?
(It could have something stuck in it from shipping, like packing material)
We have seen this before, on a OEM Ford Lightning actually. It was low on boost, but it was because of a piece of cardboard sitting on top of the intercooler, that never was removed when the engine was assembled by Ford.




Unrelated Items:

As far as the tiny tiny amount the bypass valve leaks by, its .01% of the totally amount of CFM flowing when the car is at WOT. Not something that can change the boost level. Usually people that have issues with that valve, don't have good vacuum sources going to the valve, causing it to open under load. (Which is very very rare still)

For those that wonder about clamps, AMS performance has done a very good write up on worm clams vs t-bolt clamps. We include t-bolts for areas of the kit for esthetic reasons, however retain worm clamps on the rest of the system for ease of install, and function.

http://www.amsperformance.com/resour...a-t-bolt-clamp

[Unreal]

100% agree on the t-bolt vs worm clamp. Had the same issues, and more leaks/issues with t-bolts than worm clamps. Worm clamps seal up better than t-bolts on charge piping.

[jordaromera]

Today i performed a new test with these conditions:
Temp: 77ºF
Barometric pressure: 1010HPA or 14,65 PSI
Gear: 2nd gear at WOT, is impossible 3rd gear in the mountains.
Altitude: 2908 Feet

The results of the test:

In the mechanical boost gauge pugged after the intercooler i have 6,38PSI or 0,44bar
In the sct log i have a max value of 4,93 PSI (BUT!!) with the car stopped without turn on the key i have a read of -1,45PSI... if i add 4,93PSI + 1,45PSI TACHAN!: 6,38PSI at 2900ft in the summer... chance? look at the pictures.

Conclusion: i have a bad MAP sensor?

Monday of the following week i travel to Barcelona at sea level to perform a dyno. Any idea for the bad map sensor read?

[JANNETTYRACING]

Originally Posted by jordaromera

Today i performed a new test with these conditions:
Temp: 77ºF
Barometric pressure: 1010HPA or 14,65 PSI
Gear: 2nd gear at WOT, is impossible 3rd gear in the mountains.
Altitude: 2908 Feet

The results of the test:

In the mechanical boost gauge pugged after the intercooler i have 6,38PSI or 0,44bar
In the sct log i have a max value of 4,93 PSI (BUT!!) with the car stopped without turn on the key i have a read of -1,45PSI... if i add 4,93PSI + 4,45PSI TACHAN!: 6,38PSI at 2900ft in the summer... chance? look at the pictures.

Conclusion: i have a bad MAP sensor?

Mechanical gauges PSIG only measure pressure above 14.75 PSIA.

Your map sensor measures actual Barometric pressure, -1.45 is about right for your altitude and weather conditions.

6.38 psi from a 12 lb pulley combo is still low.

Ted.

[jordaromera]

Originally Posted by JANNETTYRACING

Mechanical gauges PSIG only measure pressure above 14.75 PSIA.

Your map sensor measures actual Barometric pressure, -1.45 is about right for your altitude and weather conditions.

6.38 psi from a 12 lb pulley combo is still low.

Ted.

That would give approximate pressure believed at sea level? 5,5 PSI more is imposible?
I'm sure just after the procharger i don't have 12lbs. I have 7 psi at 2900feet

[ProCharger]

Boost pre intercooler? Please check that.

[jordaromera]

Originally Posted by ProCharger

Boost pre intercooler? Please check that.

?? I don't undestrand

[ProCharger]

Originally Posted by jordaromera

?? I don't undestrand

Use a small little vacuum nipple, and put a hole in one of the rubber charge tube couplers, BEFORE the intercooler. Then attach your boost gauge to that, and see what the boost reading is. Or remove the intercooler, and make 110% sure there are no packing materials, or other debris inside the intercooler.

Also make sure of the following.

1) Nothing is restricting the inlet of the blower
2) Nothing hit the impeller and caused the impeller to spin free on the shaft
3) Make sure the key way isn't stripped, or missing from the blower pulley

Something is going on, because as stated before we don't ship different blower pulleys, unless someone is at high altitude, or has major modifications. (Stock cars, always get the same pulley)