"90hp from a 1600cc engine?" I've been reading Bill Fisher's (How to Hot Rod VW Engines) under the section Bolt-on Horsepower (can be done w/o removing the engine), he claims that several mods can be done without splitting the case. I'm just quoting his book here, his dyno test chart shows;
Stock 1500cc; Approx 46 hp
Blocking Exhaust Heat to Manifold: Approx 47 hp
Extractor type 4 to 1 system: Approx 50 hp
Zenith 32 NDIX carbs: Approx 59 hp
EMPI high lift rocker arms: Approx 63 hp
Flycutting Heads: Approx 64 hp
Holley Bug Spray Carbs: Approx 65 hp
Heads with 40mm intake valves: Approx 68 hp
Stock size valve heads w/o muffler: Approx 74 hp
Stinger: 77.5 hp
He also states that Dual-port Heads could push the range near 100 hp, though requires taking the engine out.
Given that this was all done in 1969, Is the author out of scope with his claims?
I would like to know, cause I too would like to see if I could get more out of my 1600cc without having to go thru much expense.
I would love to hear more from the experienced members...
Thanks -