« Reply #3 on: June 20, 2026, 01:33:54 AM »
I certainly don’t need 500cfm, 350-375cfm would be sufficient for my needs (496ci). However, if the tunnel wedges are impossible to find my second choice (2x4 “F”) might be a more practical option anyway.
But I’m going to keep looking up to the point I need to make a final decision.

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ERA 427SC Cobra: Iron ‘67 625hp 482” SOHC, TKX 5 speed, TrueTrac 3.31 IRS, Magnesium Halibrands, Avon CR6ZZ tires.
1967 Mustang Fastback: Close ratio T56 Magnum, Fab-9, Wilwood superlite brakes, Torque arm rear suspension, TCI-IFS with shock tower delete, (Coming soon, FE motor TBD)
1970 F250 4x4 Mud Truck, 557 BBF, as cast P51 heads, 900 hp @6700rpm, 801 tq, Q16, C6.
2012 Cobra Jet Mustang factory drag car, 5.4 liter 4.0 Whipple, 970 RWHP.
1964 Galaxie 500XL, 35 spline 3.70 Strange S-Trac, 6R80, (Blair Patrick Pond Aluminum 525 SOHC, 800hp)