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i have a bone stock 05 srt4 and i only have 3k on it so far anyways i noticed on my boost gauge this days that everytime im on park my boost gauge sits at 19vac and before it was atleast 19 1/2 or sometimes 20 vac and i dont know if its normal but when the engine shuts it sits at 0 and also what is the max psi the stock can reach?i noticed on my car too is before when i redline it my car seem went slow and the psi drop alittle.any ideas guys?

 

when your engine is off you arent producing any vac or boost so your gauge goes to 0.

highest psi stock i got was 15.

and your psi will drop at redline for a stock car.

 

Sounds pretty normal. Keep in mind that these cars make a good bit more torque at 4000rpm than they do at 6000 rpm. If you look at dyno charts, you will always see a drop off in power before redline. When dragracing, often people shift before redline to keep it in the torque band.

 

its normal

 

oh ok...thanks guys

 

You get higher trap speeds if you hold till red line.

 

I didn't say I short shifted.


I have played with it, though, and in second gear it "feels" like it pulls harder on the 2-3 shift with no lag when you do. Also you get no wheelspin. But who knows, really, at the dragstrip, I am more of a street warrior and handling guy most of the time.