James Nguyen Posted January 10, 2008 Share Posted January 10, 2008 I was wondering how much psi can i handle with a stock motor? ??? Also will anything go wrong. I was told that It might can handle 8 psi. Can someone help me here??? What can i change out that wont cost too much but will work with the motor and not blow it up. I also have another problem. As you can tell im new to this so take it easy on me but the I dont know but when i start my motor the side where my harmonic balancer shakes very badly and I dont know what it is someone tell me plzzzz. It knocks very bad like metal against metal..............helppppp Link to comment Share on other sites More sharing options...
Kegger Posted January 10, 2008 Share Posted January 10, 2008 Maybe you threw a bearing. In that case, not running your motor is a good option. Link to comment Share on other sites More sharing options...
Hatch92 Posted January 11, 2008 Share Posted January 11, 2008 if the motor is shaking now don't boost it. if the motor has problems before you boost it, it'll just get worse once you but the boost on. Link to comment Share on other sites More sharing options...
James Nguyen Posted January 11, 2008 Author Share Posted January 11, 2008 Im not driving it right at this moment. I am getting a used motor to put in it. I was asking so I can get it ready before I slap the new motor on. Now is it better to change out the motor or just rebuild the bottom half of my block??? Also is it possible for me to do it myself? Link to comment Share on other sites More sharing options...
Hatch92 Posted January 12, 2008 Share Posted January 12, 2008 depending on the price and what your plans are reuilding could be better. also yes it can be done on your own if you have the experience. Link to comment Share on other sites More sharing options...
cranny Posted January 12, 2008 Share Posted January 12, 2008 sounds like he spun a bearing to me , bottom knock. doesnt sound good. Link to comment Share on other sites More sharing options...
Hatch92 Posted January 12, 2008 Share Posted January 12, 2008 i agree. but it could be machined and still be good. however it could be machined and be bad also. Link to comment Share on other sites More sharing options...
cranny Posted January 12, 2008 Share Posted January 12, 2008 as long as it doesnt come part , usually your block is still good. if it is a spun bearing , hel need a crank and at least one new rod as well. the bottoms are cheap , buy a new shortblock. Link to comment Share on other sites More sharing options...
James Nguyen Posted January 12, 2008 Author Share Posted January 12, 2008 Ok so I should just try and change out my bottom block right?? That's a cheaper way to do it then..Thank you guys sooo much you guys are alot of help. But no one told me how much boost I can handle when I get if fixed..lol I might just but a new motor and take the old one and fix it up while it is out.... thnx How much would you think it would cost to get those parts( crank,rod and bearing). Link to comment Share on other sites More sharing options...
Hatch92 Posted January 12, 2008 Share Posted January 12, 2008 you can run 6-8psi with a good tune and no problems easily. Link to comment Share on other sites More sharing options...
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