[Dave at Pelican Parts]

Haynes is wrong for the 1.8 exhaust; use 0.006".

The stock distributor is fine for carb applications. Going better is gonna get pricey in a big hurry--check the Mallory distributors. They're evidently about the best, and they are not cheap.

The Manta exhaust (and similar ones) will generally hurt performance slightly over stock or the Bursch, but are OK. They tend to be loud and rust easily.

--DD