I believe I have posted this in the past but when I was running 11.30s in my GP I switched from a TH350 to a TH400. Admittedly the TH350 had held up behind my 400 motor but I felt that it could not last much longer so I made the change just for peace of mind. I had resigned the fact that I would see a loss in ET/MPH but for the long-term plan this was the way to go. Well after the changeover my ET hand no difference and MPH was actually up by .5! The way I see it if you are planning to go with a TH350 for weight and HP savings you are better off going to a TH400. I went with that same idea when the GP was going together and looking back if I had this knowledge then I would have saved myself both time and money by using the TH400 in the first place.
with out questions there can be no answers
1969 Grand Prix
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1994 Formula
535ci NA CV-1 - single 1050 with c14 - 940hp@7000/825tq@5200
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