I KNOW I WILL BUY ANOTHER REX SOMEDAY BUT FOR NOW ILL TRY BUYING A NEW CAR

why not just try to trade your bp engine for a diff. engine setup? why sell the car?

no one will do a fair trade...ive spent too much

so build another engine and save your bp when your ready https://www.nopistons.com/forums/pub...IR#>/bigok.gif

i found a nice 1st gen all original for 1200 i might buy it

offer em 1000 cash im sure theyll take it https://www.nopistons.com/forums/pub...IR#>/bigok.gif

I realize this has been beat to death but I'm bored.



Based on compressible flow fluid mechanics, for pipes with a low roughness, a pair of 2" pipes will have a higher pressure drop than a single 3" pipe, despite there only being half the flow through each pipe. Also, the true duals fail to utilize the pulse reversion that collectors use. These pressure pulses can be very high, as you can tell simply from how loud the car is. Duals rely only on the flow momentum to pull more exhaust out.



Just for the hell of it I ran some numbers:



At system conditions of 100%VE (for simplicity), 3000RPM, EGT of 1600°F, and using commercial steel pipe as a basis, the dual 2" pipes will have approximately 37% more pressure drop than a single 3" pipe.



The pressure pulses emitting from the exhaust ports will be upwards of 100PSI when the exhaust port opens. Even if only 10% of that pulse is reverted, that is still a 10PSI drop at the opening of the other port.





-Andy

inneresting

dude keep the engine and other parts and get rid of the chassis.. people practically give them away now since they are gettin old..

im think of a first gen with a bridge port and holley or a turbo 2 swap.....do you guys know if there is a way to wire up the factory ecu .....i would love to used the factory ecu...