2gGSX
15+ Year Contributor
- 1,956
- 30
- Feb 15, 2004
-
St. Louis,
Missouri
1g Forrester Racing
Runner volume: ~316 cc/runner measured (1264 cc total calculated)
Plenum volume: ~2814 cc
Total volume: ~4078 cc
Realistically, probably close to ~4200 cc
2g JMF Drag
Runner volume: ~733 cc total measured (~183.25 cc/runner calculated)
Plenum volume: ~4507 cc
Total volume: ~5240 cc
Total volume should be pretty close, but the runner/plenum volumes might be a little off as it was hard to gauge how high the water level was.
Methodology:
Sealed whatever I was measuring then filled it with water. Weigh water afterward.
Runner volume
Super ghetto
Measuring the plenum
I'll end up measuring the JMF Drag and stock manifold(s) at some point. Need an assistant next time.
Runner volume: ~316 cc/runner measured (1264 cc total calculated)
Plenum volume: ~2814 cc
Total volume: ~4078 cc
Realistically, probably close to ~4200 cc
2g JMF Drag
Runner volume: ~733 cc total measured (~183.25 cc/runner calculated)
Plenum volume: ~4507 cc
Total volume: ~5240 cc
Total volume should be pretty close, but the runner/plenum volumes might be a little off as it was hard to gauge how high the water level was.
Methodology:
Sealed whatever I was measuring then filled it with water. Weigh water afterward.
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Runner volume
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Super ghetto
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Measuring the plenum
I'll end up measuring the JMF Drag and stock manifold(s) at some point. Need an assistant next time.
Last edited:
