This is the old style 5.7 stroker 397 vs a stock 5.7(old style)
Peak Gains: 181rwhp/137rwtq
Gains at 5900rpm: 185rwhp/167rwtq
Gains at 4250rpm: 104rwhp/129rwtq
Cant wait to see how he runs at the track. Maybe a new 5.7 stroker record in the future.

Peak Gains: 181rwhp/137rwtq
Gains at 5900rpm: 185rwhp/167rwtq
Gains at 4250rpm: 104rwhp/129rwtq
Cant wait to see how he runs at the track. Maybe a new 5.7 stroker record in the future.