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Thread: Performance 6.5 Injectors

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More Power Performance 6.5 Injectors 03-10-2007, 16:58

gmctd That would be interesting to... 03-10-2007, 17:35

JeepSJ Yeah, I saw that post... 03-10-2007, 21:58

grape the volume comes from the... 03-11-2007, 11:51

gmctd Except that the stronger... 03-11-2007, 11:54

Robyn I have talked to mark at... 03-11-2007, 12:20

6.5 Detroit Diesel Injectors 03-11-2007, 13:46

gmctd Those are marine injectors,... 03-11-2007, 14:56

ronniejoe The HP claims from SS Diesel... 03-11-2007, 15:25

dieseldummy All I can say is that I just... 03-11-2007, 18:39

grape maybe we could have... 03-11-2007, 20:32

6.5 Detroit Diesel ? 03-11-2007, 22:57

ronniejoe You decide. 03-12-2007, 05:16

Shikaroka I have been looking into... 03-12-2007, 08:13

gmctd Yeah - I keep waitin' for one... 03-12-2007, 08:23

grape dynojets are cheap, but you... 03-12-2007, 10:13

AndyL I'm no expert, but I still... 03-12-2007, 10:46

gmctd Can help at hi-rpm, where the... 03-12-2007, 11:05

AndyL The injection "speed" is... 03-12-2007, 15:30

dieseldummy I used to think the same way... 03-12-2007, 12:35

stacker 6.5 manually injected... 09-11-2007, 19:25

TurboDiverArt In In my opinion, upgraded... 09-14-2007, 13:08

93GMCSierra I am sorry if this has been... 09-14-2007, 20:17

DmaxMaverick Welcome to the Forums! ... 09-14-2007, 20:23

93GMCSierra Thank you, yes I am going to... 09-14-2007, 22:00

TurboDiverArt Transmission temp. Art. 09-15-2007, 05:02

93GMCSierra Even on a manual transmission? 09-15-2007, 06:50

TurboDiverArt Oh, sorry about that. Didn't... 09-15-2007, 09:29

More Power I talked to a fellow member... 10-25-2007, 11:15

More replies below current depth...

Kennedy Most of these so called 40HP... 03-12-2007, 14:20

Robyn I agree with RJ and JK Its... 03-12-2007, 14:47

More Power Good thread! :D I would not,... 03-12-2007, 15:42

gmctd I think if they want to... 03-12-2007, 17:44

AndyL So, in your opinion, high... 03-12-2007, 17:53

gmctd That's correct - only thing... 03-12-2007, 19:02

AndyL Opinions on dyno... 03-12-2007, 19:31

sidehackbob More fuel? 03-12-2007, 20:34

gmctd My answer to that would be... 03-12-2007, 21:53

DA BIG ONE Higher pressure lift pump? 03-12-2007, 23:04

gmctd There has been some... 03-12-2007, 23:33

Kennedy I ran my 96 with std... 03-13-2007, 08:29

AndyL JK, any comments on the... 03-13-2007, 08:34

Shikaroka It doesn't really matter how... 03-13-2007, 12:04

robertb6963 So you folks are saying you... 03-13-2007, 17:58

6.5 Detroit Diesel My thoughts exactly 03-13-2007, 19:01

gmctd No - the problem is, if you... 03-13-2007, 20:09

robertb6963 I know what you mean, if you... 03-13-2007, 20:42

gmctd Now you know why MP started... 03-13-2007, 21:27

rtphillips370 Dam, I wish I saw this thread... 03-23-2007, 23:30

ronniejoe You will see improved... 03-23-2007, 23:37

rtphillips370 I hope I have put togther a... 03-24-2007, 00:25

ronniejoe For a good perspective on how... 03-24-2007, 07:05

Robyn I agree with the idea that to... 03-24-2007, 08:55

simon I posted a question a month... 03-25-2007, 16:49

AndyL Standard 6.5 Turbo pop, ~1900... 03-25-2007, 16:55

Robyn My feeling on the Hi POP... 03-25-2007, 21:47

simon Well I gues I did set Mine a... 03-26-2007, 21:50

rtphillips370 Well last week I installed a... 05-08-2007, 01:35

simon My Wife put over 6000 km on... 05-15-2007, 22:55

Hubert Check this out It appears... 09-04-2007, 19:15

AndyL Couldn't find a spec, but I'd... 09-04-2007, 19:28

Hubert That looks to me the bigger... 09-04-2007, 19:33

JeepSJ That is a very cool link. It... 09-06-2007, 16:17

AndyL 136Mpa = 20,000PSI, defiantly... 09-06-2007, 16:30

JeepSJ We are not comparing 2000 to... 09-06-2007, 23:42

Hubert I thought the link was pretty... 09-07-2007, 06:23

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09-14-2007, 20:23 #11
DmaxMaverick

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Originally Posted by 93GMCSierra

I am sorry if this has been answered before, however I have a 93 6.5 td an I was looking at the turbo, it is a GM-3 and there does not seem to be a wastegate on it. it looks like a rod with a spring holds a butterfly valve closed when the exhaust pressure gets enough it forces the valve open.
If that is correct How could you increase the boost?

Welcome to the Forums!

That thing you described is the wastegate. It's just mechanically controlled. Increase the boost by increasing the spring tension. By whatever means. Be careful, there is a point of no return (meltdown). I would not recommend adjusting it w/o gages. EGT, at least to keep from getting too hot, and a boost gage to see the results of adjustment.

1985 Blazer 6.2
2001 GMC 2500HD D/A
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