What RPM would you shift based on this dyno graph ?

[cbrtrx]

Looking at the graph posted and assuming the vehicle is mechanically sound to shift that high I'd definitely be shifting it at 8k. That would produce the best acceleration, anything much less would be far from optimal. Actually the 1 to 2 and 2 to 3 could even shift close to 8200.

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[Unas2k5]

The RPM gauge on my car goes to 8000 RPMS IDK if there’s passing that lol

 

[Cory S]

The RPM gauge on my car goes to 8000 RPMS IDK if there’s passing that lol

Oh it goes far past 8000. It just doesn't show you it is......

 

[illtal]

You need to hook up the Ngauge to know where you are shifting. My nominal RPM is 8500, but the car is capable of 9000 RPM. I'd like a can monitor to be able to not have a dumb ass ngauge stuck to my window but....

 

[Unas2k5]

When does the procharger start making boost? What RPM? Like 2,300 RPM? Does that mean anytime it hits 2300 RPM even in first gear it makes boost?
I thought that prochargers just make boost at upper RPM and at lower RPMs it just sits there

 

[illtal]

When does the procharger start making boost? What RPM? Like 2,300 RPM? Does that mean anytime it hits 2300 RPM even in first gear it makes boost?
I thought that prochargers just make boost at upper RPM and at lower RPMs it just sits there

No centris can make boost at other than higher rpms. Since the speed of the blower is directly proportional crankshaft speed like any other blower is done.

It still has to be turned to make boost at any engine speed.

If you see 1 lb of boost at 3k RPM your making boost

 

[Unas2k5]

No centris can make boost at other than higher rpms. Since the speed of the blower is directly proportional crankshaft speed like any other blower is done.

It still has to be turned to make boost at any engine speed.

If you see 1 lb of boost at 3k RPM your making boost

Thanks for your input
I don’t have a boost gauge. I thought the graph about was showing that it was making boost starting at 2300

 

[Cory S]

Thanks for your input
I don’t have a boost gauge. I thought the graph about was showing that it was making boost starting at 2300

It actually starts as soon as the throttle slams open above idle. It's just not very measurable.

 

[Unas2k5]

So if im just casually cruising not slamming the throttle will it make boost then ?

 

[smokescreens]

Here’s one of my dyno graphs. I was wondering at what RPM I should shift ?

7500 in every gear. Even reverse, lol.

 

[Unas2k5]

Sir , you may have retardation.

Maybe your mom does? I’m trying to learn how this works and that has no effect on you…Just move along and don’t provide your input in a thread or post that bothers you

 

[Cory S]

So if im just casually cruising not slamming the throttle will it make boost then ?

No. Your bypass will be open under vacuum........

 

[Unas2k5]

No. Your bypass will be open under vacuum........

Ok I see. Thx!

 

[illtal]

If you're driving the car normally it should stay in vacuum even at an elevated rpm, with the throttle close you will stay in vacuum. But at those higher rpms wacking the throttle will cause an instant onset of boost.

Man you need a d1x with that cr. I'd bet that engine is capable of 1000.

Also get yourself a boost gauge!!!!!!!

I have one I can sell you, because it doesn't seem like I'm going to use it.

 

[Unas2k5]

If you're driving the car normally it should stay in vacuum even at an elevated rpm, with the throttle close you will stay in vacuum. But at those higher rpms wacking the throttle will cause an instant onset of boost.

Man you need a d1x with that cr. I'd bet that engine is capable of 1000.

Also get yourself a boost gauge!!!!!!!

I have one I can sell you, because it doesn't seem like I'm going to use it.

Yeah I read that it’s rated above that. What gauge do you have ? Also I don’t track my car if I’m gonna punch it it will be 40-60 rolls on the empty freeway . I’m still trying to figure out what traction is gonna be like at this power level. It cold in michigan and has been since I got my car back from Brenspeed. To upgrade the head unit it’s 2k that’s not too bad I’ll probably need new injectors too.
What gauge do you have ? I did ask Brenspeed to install gauges and I got it back without any lol.

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