Subject	GMS 550bb ( gt2560r ) dyno results and video
Posted by	SpecNATT (Houston) on July 28, 2007 at 6:50 PM
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Message	I went to the dyno for the first time since stock turbos, did a base boost 13psi pull and then some 17 psi pulls, will go back later to do some higher boost pulls. Though i'd share, mods in profile. Note the GMS 550 ballbearing was kinda a crappy turbo, its a gt2560r but with a stock z32 compressor housing honed to fit over the 2560r compressor blade. Which makes the a/r pretty tight and restrictive, I believe. we did many Click Sig if your bored
Follow Ups	GMS 550bb ( gt2560r ) dyno results and video - SpecNATT (Houston) 18:50:31 07/28/07 You should do forth gear pulls, not third:) (n/m) - Octavian 18:59:23 07/28/07 it was 4th (n/m) - SpecNATT (Houston) 19:29:30 07/28/07 not according to your dyno chart (n/m) - Octavian 04:35:12 07/29/07 Re: not according to your dyno chart - SpecNATT (Houston) 17:46:24 07/29/07 Mybad i forgot to look at your profile, i - Octavian 20:29:44 07/29/07 Is there a specific reason for 4th or is just to compare? (n/m) - 550HPTT 19:54:40 07/28/07 to eliminate gearing advantage - spyhunterTT(nj) 20:07:53 07/28/07 1:1 ratio, no gear reduction like 3rd. (n/m) - AZHeat 20:08:30 07/28/07 2nd try on video - SpecNATT (Houston) 19:01:09 07/28/07 do you have pictures of the turbos before you put them on? (n/m) - blacktwin 20:08:44 07/28/07 basically they are Z1 GT600R but with crappy stock - SpecNATT (Houston) 02:06:15 07/29/07 Nice sig video (n/m) - TTFairladyZ 20:19:05 07/28/07 Sweet Video! (n/m) - IB 20:48:27 07/28/07 Looks like your running lean! (n/m) - Tsefreeflow 20:57:27 07/28/07 I have the GMS 550 thrust bearing turbos - colocomp (Denver) 09:01:54 07/29/07
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