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Forum: General Q & A

09-05-2017, 06:16 AM

Replies: 8

575 sci rebuild

Views: 2,326

Posted By JRider

After rereading your post, what makes you think...

After rereading your post, what makes you think you have a cracked head? Blown headgaskets are common on the 575, especially with added boost, I would assume that the pulley has been changed with...

Forum: General Q & A

08-28-2017, 09:46 AM

Replies: 8

575 sci rebuild

Views: 2,326

Posted By JRider

Yes, port location can be a problem unless you...

Yes, port location can be a problem unless you modify your tails or transom. An 871 or even a 671 is a huge upgrade from the 256, the injection bolts right on. The pulley adapter is available from...

Forum: General Q & A

08-28-2017, 06:26 AM

Replies: 8

575 sci rebuild

Views: 2,326

Posted By JRider

Any mods to the motor or is it all stock? I...

Any mods to the motor or is it all stock?

I would bump the compression up around 8.5:1, JE pistons are affordable and work well. The blower is undersized so if you want more power this is a...

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