where can you buy trw/speed pro pistons for 390s? i can hardly find info on them. but i know they exist

 

Try Survival Motorsports. Barry used to work for them. If anyone would know, he would.

Lou Manglass

 

Straight out of cow worshiper land now and as far as I know they don't quite have it down yet. I ordered from Summit and the send me mixed pistons 4 USA made and 4 from India. If I hadnt had the american product in my hand I would never have been able to distinguish the poor craftsmanship/metallurgy in the Indian product. NIGHT AND DAY!

IMO Spend some more money on Keith Black or similar products and be happy. A hyperautic (sp) piston is only slightly more and I would be more inclined to stay with USA product. Unless Japan starts making them

 

i found silv-o-lites 10:1 hypreutectics, how much better are hypreutectics than cast?

im not running a drag engine er nuthin, just a mid range 390. like 450hp

 

im using hypers in my truck. every single person who has used them told me to use them. i know quiet a few guys that own speed shops.. (wot-tech.com, h&f performance here in nc.) and a few others. and they ALL recommend them. and i agree with the india comment about them. i got some sealed power (all pistons are pretty much federal mogul sp?) although i think theyll work fine, theres just small casting flaws that should be cleaned up. mine are 9.8:1 (if you want pics ill post them up.)

 

Another option at really reasonable prices. EGGE Machine Company - Parts and Services for Nostalgic Motors they make the pistons in house. I ordered OEM flat tops through them for my 1965 Marauder 390 4V under 250.00 for the set shipped IIRC

 

when silvolite says 10.1:1 is that with a .041 gasket?