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Forum: General Q & A

09-29-2017, 09:19 AM

Replies: 32

promaxx 317 heads

Views: 14,218

Posted By mike tkach

i built a pair of 548,s with 8.71,s they had dart...

i built a pair of 548,s with 8.71,s they had dart 320 heads,they made 950,they had crane 651 hyd roller cams.i set it up for 8 to 9 lbs boost,the 320 heads had no port work done to them.imo they...

Forum: General Q & A

09-22-2017, 09:27 PM

Replies: 32

promaxx 317 heads

Views: 14,218

Posted By mike tkach

promaxx 317 heads

i am interested in hearing from guys that are using these heads,information about engine build and dyno results.

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