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Re: Cam help from Engine builders
Quote:
Originally Posted by RustyPile
The 107* lobe separation angle is what gives the engine that "big cam" Lopey idle and low vacuum readings.
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Not to mention the 227/241 duration, which would cause a lope even on a 112 LSA.
What is the compression ratio? I didn't see it mentioned. I suspect that cam would like around 10:1 or 11:1.
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Mike
1969 C10 LWB -- owned for 36 years. 350/TH350, 3.08 posi, 1st Gen Vintage Air, recent AAW wiring harness, 5-lug conversion, 1985 spindles and brakes.
1982 C10 SWB -- converted from 250-six to roller cam 350, Vortec heads -- sold
1981 C10 Silverado LWB, 305, TH350C -- sold, but wish I still had it!
1969 C10 (not the current one) that I bought in the early 1980s. Paid $1200; sold for $1500 a few years later. Just a hint at the appreciation that was coming.
Retired as a factory automation products salesman.
Worked part-time over the years for an engine builder and a classic car repair shop.
Member here for 24 years! This is the very first car/truck Internet forum I joined. I still used a dial-up modem back then!
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