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budget street engine build

thread1528-350178

budget street engine build

budget street engine build

(OP)
just wondering what your opinion is on following specs for a mild street car with 4.11 final drive and 3000lbs curb:

4 cylinder 16v 150cu-in SOHC (1ohc for each bank, total of 2 ohc).
1.25 bore stroke ratio (oversquare for bigger valves)

head:
all aluminum 10:1 compression
1.42in intake and 1.24in exhaust valve
270cfm intake and 240cfm exhaust at 28" water

intake:
300cfm throttle body
single plenum efi (45cu-in plenum)
14.5in runner length and 1.75in intake diameter

cams:
intake 256deg advertised with max 0.4in lift
exhaust 224deg advertised with max 0.4in lift
28deg overlap

spark advance is map based. under load should be around 15 deg to 25deg from 1500-6000rpm.

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