TexasT
Texas, Where are you from
- Joined
- Sep 10, 2002
I went with stock 7. I did swap in hard rings and a stiffer sonnax slide spring. As fast as it spins I can't see it having too much pulse to it, but I'm not an expert.I don't understand why "they" push the 13 vane pump . The 7 has more volume . Running Flowmasters and headers , who can hear pump buzz ?
Seems to make sense that one might need a larger vane count but gm spent millions developing it and it got 7. I guess that after market needs to make a living so they sell what they can.
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