http://www.youtube.com/watch?v=iTIkoPbN ... 4sjOYx7zrA
VintageSpeed'58 wrote: Von...Not sure why the Deitz should produce more than the Express (which is what my manifolds are...modified in NZ with a far larger than stock balance tube) as I thought they both used the same carbs? However with my 7.5:1 CR and larger intakes I should see an improvement (but less than the 20% needed to get it all certified).
Time will tell....Richard
Could just be differences in individual engines tested & the car with the Deitz Manifolds might have been a little healthier even before the modification? Who knows