topend power lacking...
03-25-07, 11:05 PM
#1
topend power lacking...
my FD feels like its down on power... I'd have to say probably 50hp or so.0-4500RPM it's got tons of power, but it just doesn't "pick up" as well above that.
The boost pattern is inconsistant as well.
sometimes I get a perfect 10-8-10... sometimes, I get 10psi - 8psi - 12psi, when it does this the car is slower. If I let off and get back on the gas at say, 5000RPM, it will properly respool at 10PSI and the car goes again.
The car seems to have a slight misfire at high RPM, veeerrry slight though. I don't think this is the issue.
Car has dual cone filters, 3" downpipe/midpipe/catback to stock muffler. Going to replace the stock muffler soon as it has a couple holes in it now. No fuel mods of any kind, going into the dealership shortly though to replace the coolant lines and fuel hoses as per the recall.
running v-power or sunoco 94 octane in the car, doubt that matters but just so I've listed everything.
The boost pattern is inconsistant as well.
sometimes I get a perfect 10-8-10... sometimes, I get 10psi - 8psi - 12psi, when it does this the car is slower. If I let off and get back on the gas at say, 5000RPM, it will properly respool at 10PSI and the car goes again.
The car seems to have a slight misfire at high RPM, veeerrry slight though. I don't think this is the issue.
Car has dual cone filters, 3" downpipe/midpipe/catback to stock muffler. Going to replace the stock muffler soon as it has a couple holes in it now. No fuel mods of any kind, going into the dealership shortly though to replace the coolant lines and fuel hoses as per the recall.
running v-power or sunoco 94 octane in the car, doubt that matters but just so I've listed everything.
03-26-07, 08:16 AM
#2
Racecar - Formula 2000
Originally Posted by Terrh
my FD feels like its down on power... I'd have to say probably 50hp or so.0-4500RPM it's got tons of power, but it just doesn't "pick up" as well above that.
The boost pattern is inconsistant as well.
sometimes I get a perfect 10-8-10... sometimes, I get 10psi - 8psi - 12psi, when it does this the car is slower. If I let off and get back on the gas at say, 5000RPM, it will properly respool at 10PSI and the car goes again.
The car seems to have a slight misfire at high RPM, veeerrry slight though. I don't think this is the issue.
Car has dual cone filters, 3" downpipe/midpipe/catback to stock muffler. Going to replace the stock muffler soon as it has a couple holes in it now. No fuel mods of any kind, going into the dealership shortly though to replace the coolant lines and fuel hoses as per the recall.
running v-power or sunoco 94 octane in the car, doubt that matters but just so I've listed everything.
The boost pattern is inconsistant as well.
sometimes I get a perfect 10-8-10... sometimes, I get 10psi - 8psi - 12psi, when it does this the car is slower. If I let off and get back on the gas at say, 5000RPM, it will properly respool at 10PSI and the car goes again.
The car seems to have a slight misfire at high RPM, veeerrry slight though. I don't think this is the issue.
Car has dual cone filters, 3" downpipe/midpipe/catback to stock muffler. Going to replace the stock muffler soon as it has a couple holes in it now. No fuel mods of any kind, going into the dealership shortly though to replace the coolant lines and fuel hoses as per the recall.
running v-power or sunoco 94 octane in the car, doubt that matters but just so I've listed everything.
Therefore, check out your ignition components: plugs, wires, coils, etc., even battery voltage.
Dave
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