GT-40 heads vs. Ported E7TE
Last Updated on Saturday, 17 July 2010 08:14 Written by Peter L. Turek Thursday, 30 November 1995 19:00
Engine
GT-40 heads vs. Ported E7TE
Head Flow Tech
by Peter L. Turek
11/03/95 and 2/07/96 ported GT-40 heads and ported E7TE stock heads
Flow Summary CFM Chart
| Valve Lift |
.200" | .300" |
.400" |
.500" |
.600" |
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| Stock GT40 Int |
111 CFM |
159 CFM |
183 CFM |
185 CFM | 190 CFM |
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| Ported GT40 Int | 115 CFM |
166 CFM |
193 CFM |
208 CFM |
210 CFM |
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| CFM Increase / % Increase | +4 CFM / 3.60" |
+7 CFM / 4.40% | +10 CFM / 5.46% |
+23 CFM / 12.43% | +20 CFM / 10.53% |
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| Stock E&TE Int | |||||||
| Ported E7TE Int |
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| CFM Increase / % Increase |
