I have a '91 LX 5.0 with a Vortech Supercharger, FMS B303 Cam, and Cobra upper and lower intake, with stock heads. I wanted to upgrade to Al heads so save some weight and get some more power, but I didn't know which ones to get. I want to retain the stock pistons and not modify them in any way. Which heads will bolt right up to the stock block and pistons?
Many. A set of TFS Twisted Wedges would work well, and while you are at it get rid of that horrible camshaft.
2014 Mustang GT Stock and for sale
2014 M235i (wife's)
1964 Ford F-100
What Mark said. A friend has had good luck with Edelbrock heads, but I don't think they make as much power as the Twisted Wedge heads. I have TFS TW's on my '66, and they get along very well with the Paxton.
2014 GT Premium - Sterling Gray Metallic - MT82 - Track Pack - Glass Roof - Recaro seats - Spoiler delete
12.76 @ 114.04 bone stock. Koni yellow coil-overs, BMR watts, LCA and LCA relo brackets, Borla S-type axle back.
1966 Coupe - 331 stroker - Bullet custom roller cam - cam and motor installed and dyno tuned by Rodeheavers Hot Rod - Astro A5 - McLeod RXT - 486 to the wheels - more fun than my little tires can handle
1966 Oldsmobile Toronado - currently NOT on jackstands
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