Re: 1995-2007 Vortec intake manifolds
Quote:
Originally Posted by truckster
The poppet valves can't be tuned. I understand later model L31 Vortecs used an updated spider that had true multipoint injectors. I don't know if they're still available.
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96-2000 was vortec with poppet injectors. They all came poppet from the factory. Chevy release an updated MPI setup that turns the poppets into 8 mini injectors. They can be retrofitted to any vortec small block.
None can be tuned for more flow. That requires a marine intake manifold that uses normal injectors.
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-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle.
-98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes.
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