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I guess my problem was kind of missed here, the car runs fine, but I think it ran a little stronger with the 750 eddy that was on it at least to 5000 rpm. I know the 750 was to small, and the sniper throttle position sensor is not calibrated correctly, only show 78% at wide open, that could be...

Now getting full throttle but tps not reading wide open reading 78percent. makes it ping DAMN sent 2 email messages to holley no response, and I thought their service was going to be better then fitech right

I may have figured out my problem... to simple a solution to see right away, new throttle cable, my old one didn't have enough movement to get full throttle, it I adjusted it to get full movement it was to tight for any engine movement, took off when leaving a stop light, not good, have a new...

Wow, I have 10.5 compression and it pings bad on 91 non ox gas, without booster, in it at the timing I have which is 12 tdc. I haven't changed it since I bolted on my sniper. I have around 300 miles on my sniper and it says learning is 100 percent. I may try a little more timing and see what...

I have tried advancing farther, it wanted to buck the starter, It could go a little more, just backed it off far enough to quiet the ping a little, I still need octane boost, with out it, it pings on this setting.

Timing is 12 at idle and 34 at wot

My 512 is a 440 source kit, 452 ported heads with harden seits, edelbrock single plane intake, hughs 232/236 cam, stainless headers, 1 7/8, 3 in magnaflow out the back, I don't think I am anywhere near 600 hp

I am not sure what it is making for power, way more torque then my 383, it will light up the tires at 20-25 mph, no problem, maybe that is my problem, tires slip hahaha. Have actually put over 300 miles on it, cruised 160 miles yesterday.

I have a edelbrock single plane intake

My speed trap is a rolling 20-25 mph and stand on it for about 600 ft

Hi all, I put a holley sniper on Russtoy, my 69 Charger with a 512 stroker, hughes 232/236 cam, cast 452 ported heads, 727 trans, 2000 stall convert, 356 gears. It runs fine but is down on power compared to the 750 eddy that was on it, I know the 750 was too small, so this holley set up should...