Quote:
Originally Posted by Blackbirdws6
Pretty sure I saw a shop drop in a ported blower and no tune which picked up like 40rwhp.
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Yes, and it was an older lt4 style blower, similar but not exactly the same. I think they ultimately made around 670whp. They will probably try porting an OEM BW blower and see if it picks up more. One owner just dynoed his stock 5bw and made 622.2 whp. Two companies have been working on the ct4 BW and they are just about into the 10's. One showed a 0-60 time of 2.9 seconds and >20psi boost. Hopes are they cracked the ct4s ECM. If so, that gives hope to tuning of the 5BW.