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  Ford Mk IV
 

  Article Image gallery (81) Chassis (4) Specifications User Comments (3)  
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Country of origin:United States
Produced in:1967
Numbers built:10 (J-1 - J10)
Predecessor:Ford GT40 Mk II
Author:Wouter Melissen
Last updated:September 26, 2016
Download: All images

Add your comments on the Ford Mk IV

 The 427 side oiler  
Sregord
01-28-2012
The 427 cubic inch was derived from the the original 332 FE medium block(3.3 stroke X4 bore) Ford engine of the late 1950s, a la Edsel. The 352 was a stroked 332(3.5 x 4+) used in the early T Birds. The the 360/361-(3.5 x 4.05), 390(-3.78 x 4.05), & 406-(3.78 x4.130)... all variations sharing stoke or bore as they grew.
... until 1963...
the Race only 427-(3.784 x 4.23) was a bored 390 ... and 67 the police 428-(3.98 x 4.132) was a stroked 406... easier to make for the street applications(CobraJet Mustangs)... The side oiler reference to the "just for racing 427" was for an added oil galley drilled down the left side of the block for better main bearing lubrication. The SOHC(Single Over Head Cam) was a complicated pair of heads atop the almost indestructible 427. The "Cammer" used primarily in NASCAR (1964) to fight off the Dodge/Chrysler 426 Hemi powered cars also found its way into drag racing. The SOHC was never used in the Mark2 or Mark4 Ford GTs. but the side oiler was used in all of them. Factory rated at 425 hp.
 Engines  
Bullitt5435
01-24-2012
Didn't Ford use the SOHC 427, known as the side-oiler, in some of the Mark II's and Mark IV's?
 Driving J6  
Napolis
10-18-2007
Compared to modern Le Mans cars J6 is a bit different. Modern Le Mans cars make thousands of pounds of downforce but in 1967 at 223 MPH J6 made 952 lbs of lift! Compared to modern cars J6's brakes aren't very impressive either but driving her on the track and on the street is a trip and a half.

She is very easy to drive and tractable. Her massively torquey motor pulls away like a locomotive and she's quite comfortable and roomy for the diver. Very easy to work on, we just finished her 25K mile service and she's ready for thousands more.

  Article Image gallery (81) Chassis (4) Specifications User Comments (3)