New dyno numbers
10-11-2005, 05:20 AM
#1
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Join Date: Jan 2002
Location: J-ville,NC
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New dyno numbers
Finally made it up to Carolina Auto Masters yesterday after months. I managed to put down some okay numbers. I was expecting more but I wasn't expecting to be running out of fuel. Injector duty cycle was at 125% just to get this :
519hp/491tq
Started going lean after 4600 rpm even with 50 lbs injectors and an adj FPR set at 55 psi. So now I have to either get a meth kit or get an impedance conveter for some real injectors. I'm pretty stoked though and ready for some timeslips
519hp/491tq
Started going lean after 4600 rpm even with 50 lbs injectors and an adj FPR set at 55 psi. So now I have to either get a meth kit or get an impedance conveter for some real injectors. I'm pretty stoked though and ready for some timeslips
10-11-2005, 04:16 PM
#3
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Re: New dyno numbers
383 with LE3 LT4 heads and intake, 224/236 .608/.628, P-1sc and all bolt- ons through a 9 inch with 4.11s and a 6 speed.
I was surprised to see over 8 psi on a 10 psi pulley with this setup. I think I peaked out at 8.5
I was surprised to see over 8 psi on a 10 psi pulley with this setup. I think I peaked out at 8.5
. After that the march of death began and when he let out of it, it was at about 14:1 or so I think.
10-12-2005, 06:27 AM
#6
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Location: S. FL I help launch stuff into space
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Re: New dyno numbers
Originally Posted by wicked_95z
383 with LE3 LT4 heads and intake, 224/236 .608/.628, P-1sc and all bolt- ons through a 9 inch with 4.11s and a 6 speed.
I was surprised to see over 8 psi on a 10 psi pulley with this setup. I think I peaked out at 8.5
I was surprised to see over 8 psi on a 10 psi pulley with this setup. I think I peaked out at 8.5
What fuel pump(s) are you running?
10-13-2005, 12:42 AM
#13
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Location: Charlotte, NC
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Re: New dyno numbers
Something is going on then.. You shoudl have watch the fuel pressure.. haveing a good or new pump really doesn't say anything. You can still have problems
Case and point.. i just literally got of the dyno 2 hours ago with a PTK turbo LS1. Has a brand new walburo 255 hi pressure pump and 60 lbs motron injectors. At 4500 RPM it was flying way lean and fuel pressure was dropping from 58psi (ls1) to 30psi.
I've made over 550 pretty darn easy with 50's in a straight drive car.
Case and point.. i just literally got of the dyno 2 hours ago with a PTK turbo LS1. Has a brand new walburo 255 hi pressure pump and 60 lbs motron injectors. At 4500 RPM it was flying way lean and fuel pressure was dropping from 58psi (ls1) to 30psi.
I've made over 550 pretty darn easy with 50's in a straight drive car.
