Yup,I would go for it.You'll get more torque and HP yet going with the long tubes and they will allow the motor to breathe easier.
Stay with a 1 5/8 long tube header as the 1 3/4 headers are for race/high RPM motors.Myself I have the Mac 1 5/8 long tube headers and have had no problems.
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Paxton Blown 87GT