The KREs look to have better low lift flow than the E heads. So unless you are spending a lot of time at .500 lift the KRE's look better.
Here are the posted lift numbers for the 85 cc KRE head and the 72 cc Edelbrock head.
A 74 cc KRE is coming out next month or so, flow should be slightly higher.
It would be interesting to check flow on the same bench so take this with a grain of salt.
KRE EDL KRE EDL
Flow Int. Exh.
.10 92 71 71 69
.20 166 143 129 120
.30 234 208 169 151
.40 256 253 201 173
.50 261 272 220 191
Let me know which way you go.
Joe
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