150 shot on stock fuel system?
I'd be interested in what people have to say about timing. If the OP does run that big of a shot w/out pulling timing (not saying that you're not going to) what is the drawback?
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TECH Apprentice
Joined: Oct 2006
Posts: 365
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From: Travis AFB, CA
Okay cool, I have the TR6's and window switch already I've been spraying a 75 shot every now and then. I just put my stall in and getting ready to have it tuned just wanted to make sure it would be safe to tune it to a 150.
I think you also need to consider what kind of load the fuel pump is under while you are not spraying. then obviously what load its under while spraying. a wideband will tell you if you run out of fuel. if you up the jets and its still leaning out, or starting to miss, you know youre out of pump.
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I think you will be fine. Theres tons of people that are running tr6's on a nitrous setup without any problems. The only thing I don't know is if you stepping up to a 150 shot will have negative consequences on those plugs. What I've heard, the bigger the shot-stay away from projected plugs.
I wouldn't... Spraying that much, the initial hit will starve the fuel system and you could go lean... I wouldn't go over a 100 shot on a stock fuel pump... Many people do it repeatidly, it's a whole lot safer to upgrade.
I ran a 150 shot on a stock fuel system and Tr6s and it was fine. But if you have the cash to spend, get a racetronix kit. That way youll have a nice safetly net and its already done and out of the way. The TrR6s worked fine I guess, but alot of people are moving to non projector tip plugs. So if they work better, go for it.
On The Tree
Joined: Dec 2003
Posts: 162
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From: Jacksonville,Fl.
Ditch the TR6s for BP7EFs plugs on the 150. I toasted 3 TRSs on a 150 and got lucky that I didn`t do further engine damage. And I wouldn`t suggest going bigger than a 125 on the stock pump. If you want a 150 or larger run an in-line booster pump or a racetronix tank pump. And use 93 oct. and get a good tune (12.0 AFR & retard the timing a bit). Better to be safe than sorry.
https://ls1tech.com/forums/nitrous-o...ted-plugs.html
I also thought that tr6s were the plugs to use at one time, but I learned the hard way, along with others.
Do a search, you'll see that the majority of blown motors were using the wrong plugs (infamous tr6s) for starters, along with other reasons (fuel, timing, etc).
You need to hook up a pressure gauge to your fuel line to see where you're at on the bottle.
I also thought that tr6s were the plugs to use at one time, but I learned the hard way, along with others.
Do a search, you'll see that the majority of blown motors were using the wrong plugs (infamous tr6s) for starters, along with other reasons (fuel, timing, etc).You need to hook up a pressure gauge to your fuel line to see where you're at on the bottle.
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I'm thinking of doing a 150 shot also but still on stock pump and injectors. I've seen a few do it but like some said, it's not that safe. I just bought bigger injectors and a racetronix soon, then have it dialed in.
When u go to tune it you should at least get bigger injectors and change the plugs.
I'm thinking of doing a 150 shot also but still on stock pump and injectors. I've seen a few do it but like some said, it's not that safe. I just bought bigger injectors and a racetronix soon, then have it dialed in.
When u go to tune it you should at least get bigger injectors and change the plugs.
I wouldn't chance it personally but to each his own. I would throw a racetronix kit in there. And i guess i just learned a thing or 2 about running TR6's with nitrous.......as I thought they were good as well.