Hello Everyone, I have really enjoyed reading a lot of the posts on here and gathering new information. I could really use some help and direction on my budget rebuild project. I am not familiar with Pontiac engines so this is all new to me.
I recently purchased what I believe to be a Pontiac 400 engine.The casting in the back is 500557 with a stamp of YY in the front. The heads are 143 open chamber and look to have been ported. The pistons look forged but I am not certain. They are stamped 30 over and look like an eye brow. The cam has a 280 H stamp and the other numbers are hard to make out. It also came with an Edelbrock 4 bbl intake and carb.
I would like to find out if this is a good combination to go back together with or should I change out some things? I am only looking for 300 to 350 hp with a nice sounding cam that i can run pump gas on. I also have a pair of 4X heads with a 7H stamp on them and I'm wondering if perhaps they would be better to use? I am open to buying another cam etc. if needed. Please let me know your thoughts and recommendations. Thanks in advance,
I recently purchased what I believe to be a Pontiac 400 engine.The casting in the back is 500557 with a stamp of YY in the front. The heads are 143 open chamber and look to have been ported. The pistons look forged but I am not certain. They are stamped 30 over and look like an eye brow. The cam has a 280 H stamp and the other numbers are hard to make out. It also came with an Edelbrock 4 bbl intake and carb.
I would like to find out if this is a good combination to go back together with or should I change out some things? I am only looking for 300 to 350 hp with a nice sounding cam that i can run pump gas on. I also have a pair of 4X heads with a 7H stamp on them and I'm wondering if perhaps they would be better to use? I am open to buying another cam etc. if needed. Please let me know your thoughts and recommendations. Thanks in advance,