Quote:
Originally Posted by hurryinhoosier62
Those resemble the 5140 alloy rods Ace sold. He also sold 4340 rods but they were “H” beams. As many have already said, replace the bolts and have the rods reconditioned. I would add to have the rods magnafluxed as well.
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These are probably the 5140 then. I do remember 2 different numbers, those are probably it. Replace the current arp bolts?
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72 lemans,455 e-head, UD 255/263 solid flat,3.73 gears,,,10" 4400 converter,, 6.68 at 101.8 mph,,1.44 60 ft.2007
(cam 271/278 roller)9"CC.4.11gear 6.41 at 106.32 mph 1.42 60 ft.(2009) SOLD,SOLD
1970 GTO 455 4 speed #matching,, 3.31 posi.Stock manifolds. # 64 heads.A factory mint tuquoise ,69' judge stripe car. 8.45 @ 88.1 mph on slippery street tires.Bad 2.19 60ft.Owned since 86'
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09-11-2025, 12:01 PM
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