Preserved from CalaisTurbo. Original authors and dates are shown; archived members are not current Holdcom accounts.
What is the difference between the VK efi 202 Head and the XF efi 250 Head (Cross Flow)
How can I improve the vk's head design
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WTF 8O , Are you planning on useing a Ford X-flow head on yer old 202,
Seriously the Ford head is better than the Holden the EFI X-flow head has bigger valves than the standard carby alloy head X-flow, that's about the only difference there and the fact that it's a X-flow head design unlike the 202 black which is not X-flow but is however a 12 port head.
Both the old Holden six and Ford X-flow are good reliable engines built for Aussies and there long distance driveing habits towing caravans etc.
As for any performance gains you are limited without resorting to forced induction and spending big bucks.
Some original photos have not been recovered yet.
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post edited, no relevance. -RB3-747
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