what alt do i need ?

[teardrop]

heres the ones im looking at il be running 2 SAZ-1500D v.2 straped 2 ohms 1 SAX-100.4D two runs 1/0 gauge front to back 1 xs D1400 under hood and 1 xs d1400 in back

https://www.dcpowerinc.com/fit/1998~Chevrolet~Blazer~4.3L-V6/8237-270-xp.html

https://www.dcpowerinc.com/fit/1998~Chevrolet~Blazer~4.3L-V6/8237-390-xp.html

https://www.dcpowerinc.com/fit/1998~Chevrolet~Blazer~4.3L-V6/8237-320-sp.html

https://www.dcpowerinc.com/fit/1998~Chevrolet~Blazer~4.3L-V6/8237-280-pro.html

[Guest DC Power Kyle]

A 270 amp alternator would be more than adequate for 2 1500Ds. I recommend finding one with the biggest idle output as well so you can have better voltage at idle

[teardrop]

ok thank you sir.