EVERYTHING Nitrous related!! stock bottom end, wiring, EVERYTHING!!!!
#81
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Heres a new question for this thread (and yes I have used the search button). Im going to spray 150 with a fogger. Im freshening up the shortblock but using the stock components. Is it worth it to change to a nitrous ring? It will probably be around the 625hp/550ftlb mark on the spray (speculation). Also, what bearings should I use? Any certain brand that seems to last longer with the added stresses of nitrous or F.I.? Should I stud the bottom end while Im in there?
Oh yeah, this is a 98 LS1. It will have ARP rod bolts and an upgraded oil pump when it goes back together. It will be in a 2800# car too.
Oh yeah, this is a 98 LS1. It will have ARP rod bolts and an upgraded oil pump when it goes back together. It will be in a 2800# car too.
#82
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Heres a new question for this thread (and yes I have used the search button). Im going to spray 150 with a fogger. Im freshening up the shortblock but using the stock components. Is it worth it to change to a nitrous ring? It will probably be around the 625hp/550ftlb mark on the spray (speculation). Also, what bearings should I use? Any certain brand that seems to last longer with the added stresses of nitrous or F.I.? Should I stud the bottom end while Im in there?
Oh yeah, this is a 98 LS1. It will have ARP rod bolts and an upgraded oil pump when it goes back together. It will be in a 2800# car too.
Oh yeah, this is a 98 LS1. It will have ARP rod bolts and an upgraded oil pump when it goes back together. It will be in a 2800# car too.
Robert
#83
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ran her 2wks ago and my afr went sky high on 100wet, timing was at 18 but the low oct was set 3 deg below stock. 4runs like that,wot and some kr, 93oct. denso It 22 plugs set at .040, my fuel noid was intermittently not opening. that's fixed now. this pitbull of an ls1 is still running smooth. ckd. the plugs and they look good. will try to blow her up on a 200shot. i swear, i THINK TIMING HAS SOMETHING TO DO WITH THE PITBULLS NINE LIVES.
#88
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ran her 2wks ago and my afr went sky high on 100wet, timing was at 18 but the low oct was set 3 deg below stock. 4runs like that,wot and some kr, 93oct. denso It 22 plugs set at .040, my fuel noid was intermittently not opening. that's fixed now. this pitbull of an ls1 is still running smooth. ckd. the plugs and they look good. will try to blow her up on a 200shot. i swear, i THINK TIMING HAS SOMETHING TO DO WITH THE PITBULLS NINE LIVES.
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My buddy's '03 Z06 is currently putting down 664rwhp and 564rwhp on bonestock longblock LS6, however this is with turbos. The reason I bring this up is, the torque of the turbo comes on so progressive and late in the rpms that you can get away with more over all hp compared to a nitrous set-up. Though a nitrous car can be set to mimick a turbo curve, as shown below. Really it is the low rpm torque that does the damage more often on stock blocks, not the HP. I finally busted a ringland on stockblock LS6 with 665rwtq @ about 3200rpm. So multi stage (my choice) or progressive can allow a higher overall HP by limiting the low rpm torque.
Here's my buddy's turbo set-up, check out how slow the tq comes on, and how late the torque peak comes, compared to some of us that have the mega tq spike down low.
and here's the turbo/nitrous overlay showing n2o can be set-up like a turbo (these are small hits just for reference, but you get the idea). Mine was dual staged, while Joe's was not.
Robert
Here's my buddy's turbo set-up, check out how slow the tq comes on, and how late the torque peak comes, compared to some of us that have the mega tq spike down low.
![](http://cjstewart4.home.comcast.net/cstew_664rwhp.jpg)
and here's the turbo/nitrous overlay showing n2o can be set-up like a turbo (these are small hits just for reference, but you get the idea). Mine was dual staged, while Joe's was not.
![](http://cjstewart4.home.comcast.net/Z06_HP_files/image002.gif)
![](http://cjstewart4.home.comcast.net/Z06_HP_files/image001.gif)
Robert
#91
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So at what point should the progressive go 100% to safely run 200+ on a completely stock (never had the oil pan, valve covers off) bottom end 98 motor? I am a nitrous junkie and just swapped over from 5.0 mustangs for the past 9 or so years... Why didn't I see the light before!
Robert
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On a two stage setup would this be done with two nozzles, stacked plates, a nozzle and a plate, direct port and a plate, the combinations are endless? I have always heard that stacking plates on a carb motor was not the safest thing to do, but havent heard any talk of it on fuel injected applications... Not a newb to nitrous, just to the LS1 platform... Thanks for the help by the way...
#93
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On a two stage setup would this be done with two nozzles, stacked plates, a nozzle and a plate, direct port and a plate, the combinations are endless? I have always heard that stacking plates on a carb motor was not the safest thing to do, but havent heard any talk of it on fuel injected applications... Not a newb to nitrous, just to the LS1 platform... Thanks for the help by the way...
Robert
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Nitrous Related Wiring
LOTS of pictures and info here, so I will link to the pictures
MECA of wiring diagrams fquick of them
Roberts wiring guides
TNT Wiring
LOTS of pictures and info here, so I will link to the pictures
MECA of wiring diagrams fquick of them
Roberts wiring guides
TNT Wiring
Last edited by dlove; 09-15-2008 at 02:22 PM.
#95
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hate to stretch this sticky anymore, but everyone should know how stout this motors are. ran her again on tues and tonight, 8 times total, wot. and got a best of 11.457et and 123.25mph with the 100shot tonight. my first run did hit 14.4afr {not good} tonight but the rest were all between 10.5 11.4 afr. no doubt, continuing to hit the motor with lean afrs will eventually hurt it.
the plugs looked good, the timing mark was near the corner of the strap, the pass came in at 11.803et, 125.73mph with a 1.803 60'. very disappointing for sure, considering i went 11.454 and 123mph on the 100 pills. the second pass afr curve was very similar, 1st and 2nd were very flat 11.7, 3rd went lean to rich 11.7 to 11.3, and 4th started at 12.38 and took a huge dip at the end 10.4. i did leaned out the pe by .5 for the pass. fuel and oil pressures were stable and normal, ect rise was only 5deg from beggining to end. i wish there was some way to monitor fuel flow to get a better picture of what's going on. anyway, the eng. still running smooth, next time, i'm going back to the 100 and i'm gonna spray it all at once at 4000rpm just to see if the eng. still healthy, and of course i'll use sunnoco 93. and after that the 200 again. i hope this info helps someone else.
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well, sprayed the 100 shot all out, but this time i threw the slicks on, i was on the hoosier previously, the car ran strong, but 2 wks. ago the diff. gave out. i ran it last wk and got kicked out with the 100. i think, i solved the going rich issue, so next fri. i'll try the 200, but with gt104 and it27plugs.
#100
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I am putting an LS1 in an 82 S10 short bed standard cab. It was 30,000 on the clock (the motor). Carb set up with the tunable MSD 6010, T-Rex cam, Fully ported heads with a 5 angle valve job and cut 0.040 to up compressions, piston's have been flycut to clear. TH-400 custom stall 3800, 9in. with 5.00 gears, shorty header's, and I am doing a stand alone fuel system for the nitrous with 116. oh ya 28in. tires
Does any one have any idea what I can spray on it I would like to do a 200+ or what kind of power this might put down? to the wheels I'm not concerned with flywheel hp.
Does any one have any idea what I can spray on it I would like to do a 200+ or what kind of power this might put down? to the wheels I'm not concerned with flywheel hp.