This goes along with the question I asked about older engines, here's a little update on the situation. If I blow the engine then I have NO car.. What are the chances on a 130,000 mile car that runs good and has correct settings that nitrous will affectively blow the engine?

I want 13s but not bad enough to risk the motor, i just want to make sure it's 99% safe..

 

Well, I'm afraid there are no guarantees but I run a hundred shot on a 130000 mile car and so far so good.

 

I ran a 75 shot on the bird when I had it, it was showing 130,000 on the odo. I had a fuel pressure guage and watched it closely. I stuck with 75 shot b/c the fuel pump couldn't keep up with 125. I didn't have any 100hp jets to try it. I only ran 8 or 10 bottles through it before I sold it but it still ran fine. I was well pleased going from an 8.8 all motor to a 7.9 in the 1/8th on just 75 shot. Traction was an issue also though.

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87 Camaro Z28
LB9 305 TPI, Accel cap, rotor, and 8mm wires, K&N filters
1/8 mile: 9.8@69mph

91 Formula
L98 350TPI, Accel 8.8mm wires, Siamese Runners, Edelbrock Headers, Edelbrock 3" Cat-Back, Airfoil, K&N Cone Air Filter, AFPR, Shift-kit, Mallory Promaster Coil, Nitrous Works Wet Kit 75hp
1/8 mile: 7.9@86mph

 

100,000 miles. mine is fine for now

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1991 Firebird
350 L98 (was a 305 TBI),T-5,Edelbrock TES and cat back,Accel manifold
NOS,subframes,jegster torque arm,MSD Digital 6
AFPR,Lakewood lcas
Hurst linelock,SLP cam (206 212 .480 .486),relocated battery,cold air,Hypertech chip,centerforce df,clutch
poly bushings and mounts
AFR 190s
Harland sharp 1.5 rockers
autopower rollbar

12.33 @ 114.83 juiced uncorrected

13.510 @ 102 non juiced uncorrected