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What are some cheap and easy methods to squeeze power out of a 253?
Naturally aspirated of course.
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Nothings cheap but a few bolt ons will help. I had a manual 253 Torrie back in the 70s and it ran 14.8 @ 98 at Castlereigh in Sydney
with the following mods:
Stock heads
Edelbrock Torker
600 Holley
Sig Erson Hi-R-1H Cam 33/77 which was the termonolo
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Hi Guys.
Glenn said:- "Cam 33/77 which was the termonology in those days'
These are just the opening & closing times of the valves, which is a bit inaccurate if the cam is assymetric. Today we usually talk in advertised duration times like 268 or 28 |
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In all honesty do the sums and it would almost be cheaper to buy a smashed but complete injected VN/VP for $1500 and stick the 304 where the 253 is. Probably the only major expenses apart from the purchase are:
Bellhousing to suit the TH patern block (as |
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will drilling out the jets in the carburettor supply much more power?
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