Conversions & Hybrids - Manifold length, diameters




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Kevin (uk)
11-11-2007, 06:02 AM
Hi
Need to have some headers (manifolds) made up.
Looking for advice on manifold lengths, and diameters.

It will be side exit exhaust silencers.

Think that I want 1 3/4 inch pipes going into a 4-into-1 collector with a 2 1/2 inch outlet leading to my silencers.

Alternatively should I go for a 4-into-2-into-1 manifold. My thinking against this is, the amount of torque that the LS2 engine already produces, for my light RWD drive

The engine is going in a car weighing 700KG (about 1,543 LB).
The car is a road going car, but will also be used on trackdays.

Any help/advice would be appreciated.

many thanks
Kevin