Cudapete
Well-Known Member
A friend of mine has a 372 (340 with 360 crank) for his 69 barracuda. He bought the motor from a guy who was going to put it in a rail or something. Any way they changed the heads,cam and intake to get to a street friendly 10.5:1 comp when he decided to sell it to my friend.The motor has a air gap intake, pocket ported x heads,and a mopar electronic ignition.The trouble is the car has never run real strong and pings violently under 1/2 to 3/4 throttle. He knows the guy who built it but wasnt around for the process so we dont know much more than this. The mopar distributor seemed to advance too fast so we changed the advance springs no change, then put it back and reset the timing to 32 degrees advance @ 2800 rpm's still no good, then we put in a pro comp distributor right out of the box brand new and set it to 32 degrees and the same thing happened. So my question is we started to wonder if maybe theres more compression than what the guy told him and of course I dont have a working compression tester right now so tomorrow hes gonna take a ride out to the local airport or delta sonic and get some high octane fuel and see if the ping goes away, Is this a feasible idea? will it hurt the motor to try this @ 32 degrees advance.If this is a bad idea what do you think we should look at next? Thanks