Just about was,what I expected.
Just about was,what I expected.
675 Heads Results??
Test Results are in,
The 67' Barracuda 273/235 'Commando' ~ 4-Speed ~ 3.55 Gears
All stock with #920 Cylinder Heads.
#1..... 15.88 @ 84.93 MPH
#2..... 15.91 @ 84.07 MPH
#3..... 15.80 @ 85.02 MPH
#4..... 15.83 @ 84.77 MPH
Average...... 15.84 @ 84.74 MPH
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All stock with #675 Cylinder Heads
#1..... 15.92 @ 83.98 MPH
#2..... 15.93 @ 84.11 MPH
#3..... 15.97 @ 83.77 MPH
#4..... 15.90 @ 84.59 MPH
Average...... 15.93 @ 84.11 MPH
Line Launch............... @ 3500 RPM's
Shift Points................ @ 5000 RPM's
Shipping Weight.............. #2940 lbs.
Curb Weight.................... #3067 lbs.
Scale Weight w/Driver.... #3257 lbs.
Good info on this 3 year old thread....I just picked up a 66 273 clit commando.
FWIW every 675 head I have cc'd has been right at about 68 cc's. You had to mill the Piss out of them to get 60cc's. The last 920 heads I did cc'd 66.4.The Patient
1967 Barracuda 'Formula S'
* Fastback
* 4-Speed
* 3.55 Gears 'Sure-Grip'
All Stock, except
* F-70 x 14" Goodyear Polyglas GT {Vintage Tires}
* Just Suspension 'Bushing Kit'
* Weber Clutch and Pressure Plate {9.5"}
* Fan-Clutch
* 6-Blade Fan
* Fan Shroud
Project
273 Engine bored {+.040}
Factory Cast Pistons {10.5-1 Compression}
Speed Pro Piston Rings
Federal-Mogul Bearings
Melling High-Volume Oil Pump
Speed Pro Timing Chain
Windage Tray
Internals Balanced = {Rods, Pistons, Crankshaft, Harmonic Balancer and Flywheel}
The Cylinder Heads will receive the 'same' ,
* 3-Angle Valve Job {Seat}, plus a 'Top-dress'
* Back-Cut Valves
* Stock '273' Commando Valve Springs
* Spring Height set
* Bronze-Wall Guide Liners
* Teflon Seals
* Milled to NHRA Specifications
* #2658920 = 57.3 CC
* #2843675 = 60.6 CC
Absolutely 'no porting', 'no gasket matching' or additional bowl work........
Im somewhat of a clitsmith myself.I'm a Clit Commando !!!