What can cause exhaust backfires

[Momar]

I just put my translator, and LT1 MAF back on the car(had the stock one on for a while). When I did this I also noticed that I have a plug wire that had melted some, and it shocked me through the boot. I am going to try do deposit the money tomorrow to order a set of taylors.

When I drove the car, afterwards, it runs fine...at part throttle. I know I can go up to 10 and maybe even close to 15 lbs of boost, but if I go wot, I get a very loud exhaust back fire. It was set to about 16, but I dont know if the maf switch would have effected it at all. I know the different things that have occured, and am just trying to relate which is causing the backfire.

The only thing I could think with the maf is that the piping for the cai(home made) is barely long enough to work w/ the shorter lt1 maf. Maybe I have an air leak causing a backfire. Is this a possibility? I am going to try sticking the factory maf back in because I can do that before I get the new wires. If it is not the maf, I will probably put the lt1 maf back in and wait for the wires to come in.

Let me know what you think.

Thanks

Ben

 

[Momar]

Well, it was related to the maf. The wires are all in tact in the maf. One of the connections looked poor, but I dont know if it was leaking or not. I will have to make a longer maf pipe to work w/ the shorter lt1 sensor to see if that fixes the problem. If not, I guess the sensor may just be bad.

Ben