S550 Whipple, E85, 900+ whp, roll-race-focused - Converter?

[Unkrwhp]

Looking at Circle D 258mm Pro Series vs the more expensive XLP proloc SunCoast 240mm.
Already know the suncoast is better for digs, changeable stater and can be unbolted vs circle D you gotta ship back. Just looking for input and person experience. Gonna run a 3600-3800 stall.

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[engineermike]

For roll racing you’d want the converter locked the whole time. What’s the motivation for changing from stock? The stock tcc seems to be able to hold that power level.

 

[Unkrwhp]

For roll racing you’d want the converter locked the whole time. What’s the motivation for changing from stock? The stock tcc seems to be able to hold that power level.

They suggested getting a new OEM over the circle D for roll racing. Just looking for insight. I do plan to hit the strip rarely

 

[beefcake]

Both are great options when it comes to converters, the 258mm circle d or the the 260mm weld together from suncoast would be a good choice for the whipple and your current power level. Are you planning on making more in the future or staying around that hp?

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