Gil long tail riser on 454 GLM Manifold.
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Gil long tail riser on 454 GLM Manifold.
Any one tried this? Will it bolt up? Does the long tails prevent reversion and add a healthy sound to the boat? Wanting to run a Lunati Roller cam, P/N #20110711 Duration @ .050 221/229 in/ex in/ex .575 lift with LSA/ICL 112/106. Gen 5 454, currently has 8.5cr, 325cc rect port heads, milled out dual plane, 750 carb, full roller rockers, merc #1622 cam and retrofit lifters.