# GT2871R vs GT3071R **URL:** \ **Category:** Shift518 Automotive\ **Created:** [October 11, 2009, 5:46pm UTC](https://forums.speedlife.net/t/gt2871r-vs-gt3071r/247497 "2009-10-11T17:46:37Z")\ **Posts on this page:** 1\ **Showing post:** 5
**Author:** ![Mafdark](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/mafdark/32/6322_2.png) [@Mafdark](https://forums.speedlife.net/u/Mafdark)\ **Post date:** [October 11, 2009, 6:50pm UTC](https://forums.speedlife.net/t/gt2871r-vs-gt3071r/247497/5 "2009-10-11T18:50:34Z")
> [@X-box live gamertag thread\*\*edited with list\*\*](https://forums.speedlife.net/t/x-box-live-gamertag-thread-edited-with-list/22265/735): > > Well I cannot really speak on behalf of these spools on honda motors, I can say the spool characteristic on the flat sixes is negligible between 28’s and 30’s. maybe 150-175rpm if that, and so small that’s it’s far outshadowed by the additional power made on the p-cars over the 28’s. > > I have no idea how close tot he choke you’d be on a 28 in your setup that may or may not show the necessity for a 30r comp wheel. hrm, looks like what your saying is that it can make more power on top and spool at nearly the same RPM …on larger motors. I guess I’ll have to start punching in numbers and see where they fall on the maps. Even if the 30 offers a slight advantage I’ll probably keep the 28 since I already have it. --- _[View the full topic](https://forums.speedlife.net/t/gt2871r-vs-gt3071r/247497)._