Hi . Im on with a Mexico rebuild and have a couple of choices for engines, I have a freshly built standard 2.0 / 205 block running on twin 40"s, I have never driven with this engine but bought it from a friend and he said it run really well its all set up ready to drop in.
however I have also bought a big valve head spec [ Inlet: 44.5mm Exhaust 38.1mm, Cam: Burton road/rally 2700-7500 BLF 40/41, Double valve springs and vernier pulley.] and I have bought a pair of twin 45"s to run with this head. measuring the head it appears to have been skimmed compared to a standard head.
original thoughts were just fit the head to my 2.0 engine and see how it went however I am unsure if the bottom end has had any work, (my pal bought the engine fitted to a new built westfield kitcar so is unsure how much work was done to it) I dont know how strong the pinto standard bottom end is and if the spec of head I have will need the bottom end beefing up ? so I was debating if i should just fit the 2.0 engine short term and buying a second 2.0 pinto block and getting it stripped and built and bored to 2.1 while I was on with some bottom end work.
just looking for any advice if anyone has built something similar spec, how far would you go with the bottom end and would it be worth going to 2.1 and any ideas on what sort of power/torque differences I would get on both set ups using my head/cam and well set up 45"s .
thanks in advance Jeff.
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