I have had my full lenth mac headers on my 93 for about 2 years and 50K now. I been quite happy with them. The gasketless collector does leak, but not horribly. I would change that, but thats it. Never even blew a gasket out yet. They went in really easy, too. Oh, I do drive my car in the winter, and all over the place, not once have I bottomed them out.
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93LXcopcarSOLD14.3@96 @ 4500ft 2.02 60ft on street tires.
my 67 ranchero NOT A 390 ANY MORE! 460! 3.70's cast manifolds, comp cams 262H, performer, 750DP 100K out of 79 F250
NEW(oct20/02)14.58@95mph 2.3 60 ft
corrects to:13.86@100
66 merc comet351w, isky roller 600 lift 268/260@.050, vic jr. 700DP, 5000stall, 4.56's c-4, 3400lbs with driver
12.3@110 @ 4000ft 1.69 60 ft
corrects to:11.69@115
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