| To: | "triumph list" <triumphs@autox.team.net> |
|---|---|
| Subject: | RE: TR3A/TR4A exhaust systems interchangagbility |
| Date: | Wed, 10 Nov 2004 17:27:54 -0800 |
> 1. Will a TR3A's exhaust manifold fit a TR4A engine? Why not? Yes, it will fit the engine. Fitting the rest of the exhaust is more problematic. > 2. Why is the TR4A's exhaust system superior to a TR3A's? The 4-2-1 design allows for better scavenging of the cylinders at midrange rpm, resulting in slightly more power. Kind of halfway from an ordinary manifold to a header. Randall |
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