Switchable PROMs?
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Joined: Dec 2020
Posts: 197
Likes: 30
From: Harrisburg, PA
Car: 1986 Firebird Trans Am WS6
Engine: Cammed 358 TPI
Transmission: Built 700r4
Axle/Gears: 2.77 Borg-Warner 9 Bolt
Switchable PROMs?
I'm putting a 357 in my 1986 Firebird with the stick TOI on it and was wondering if anyone had ever made an apparatus to switch tunes from an economy tune to a performance tune if you had 2 PROM chips and a board between them that would allow you to swap between the two, obviously with the car off, and then restart it in a different tune. Has it been done before? Is it even feasible? Or do you meed to have boost to be able to vary a tune like that with any effectiveness? No plans to actually do it at the current time but I do feel like it would be a fun little experiment.
Joined: May 2012
Posts: 438
Likes: 116
From: Arcadia, OK
Car: 1990 Pontiac Firebird Formula
Engine: L31 350 TPI
Transmission: Tremec TKX
Axle/Gears: 3.23 Posi
Re: Switchable PROMs?
That's cool! Had no idea something like this existed. Thanks Brian.
Joined: Dec 2004
Posts: 16,775
Likes: 1,002
From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Switchable PROMs?
No problem, moates is downsizing it looks like . They use to have this
http://www.moates.net/documentation....entation_id=11
http://www.moates.net/documentation....entation_id=11
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