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Forum: Do It Yourself, Boating on a Budget

01-02-2022, 03:40 PM

Replies: 3

Blower Shop 250 Supercharger on a 454 EFI Magnum

Views: 1,609

Posted By Chappy1967

phragle, how much boost we’re you pushing and...

phragle, how much boost we’re you pushing and info on your carb(s) setup?

Forum: Do It Yourself, Boating on a Budget

12-07-2021, 07:25 PM

Replies: 3

Blower Shop 250 Supercharger on a 454 EFI Magnum

Views: 1,609

Posted By Chappy1967

Blower Shop 250 Supercharger on a 454 EFI Magnum

Looking for recommendations and advise on what upgrades to make on a 454 Mag EFI (385 HP) for reliability. Goal to obtain a nice flat torque curve and around 550 to 600 HP. (Is this reasonable with...

Forum: Do It Yourself, Boating on a Budget

03-11-2018, 09:49 AM

Replies: 3

1995 454 Mag EFI (385 HP) Builds

Views: 999

Posted By Chappy1967

Looking to do the work myself with the exception...

Looking to do the work myself with the exception on the tune if I keep the EFI and head work.

Forum: Do It Yourself, Boating on a Budget

03-10-2018, 10:20 PM

Replies: 3

1995 454 Mag EFI (385 HP) Builds

Views: 999

Posted By Chappy1967

1995 454 Mag EFI (385 HP) Build Advise

Looking for advise on 454 Mag EFI builds. Would like to upgrade to a roller cam, heads, valves and exhaust. Plan to stay away from silent choice to help prevent reversion. What do you guys recommend...

Forum: Do It Yourself, Boating on a Budget

02-19-2018, 10:41 PM

Replies: 7

Engine Serial Number Confirmation

Views: 19,944

Posted By Chappy1967

Thanks for all the info guys!

Thanks for all the info guys!

Forum: Do It Yourself, Boating on a Budget

01-20-2018, 07:47 PM

Replies: 7

Engine Serial Number Confirmation

Views: 19,944

Posted By Chappy1967

Engine Serial Number Confirmation

I looked at a 1999 35 Lightening recently and the seller (who I will keep confidential at this time) states that the engines and drives are all original (502 EFI Mags with Bravo 1 drives). If I have...

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