FPS makes good ones too - I have a buddy running their 426 kit in a '69 351w block with great results. Over 50k miles on it and still running strong (he pulled it apart at 40k, just to check and it still looked fairly new). That 426 hasn't been babied either - it's in a Early Bronco and he rock crawls, mod bogs, and drag races it - heck he ran mid to high 12's in the 1/4 pushing that heavy box through the air. Not sure of his full combo - but I know he has ported TFS-TW heads, TFS intake, FMS shorty headers to a single 3" exhaust. He's running <70mm TB and MAf so he could proabbly run better on the top end if he went larger.
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