I have a 347 stroker and the place that built my motor recommended using headers with 1 3/4" or 1 7/8" primaries. I am looking at a set of Doug Thorley Tri-Y headers (p/n 289Y-C) but they only have 1 1/2" primaries.
Will I see a noticable difference in power using the smaller diameter primaries? What are the advantages / disadvanatages of using a Tri-Y header over a regular 4-Tube header? Any other comments and recommendations are appreciated.
Will I see a noticable difference in power using the smaller diameter primaries? What are the advantages / disadvanatages of using a Tri-Y header over a regular 4-Tube header? Any other comments and recommendations are appreciated.