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Everything posted by chpspecial
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ASP pulley install??? torque spec
chpspecial replied to BLOWN SS/T's topic in Engine Tech And Modification
If you are using a stock tty bolt then the procedure is correct. If switching to a reusable bolt such as an arp, follow the arp install instructions. Sent from my HTC6500LVW using Tapatalk -
I'm not saying that that is your problem, just correcting your statement Sent from my HTC6500LVW using Tapatalk
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Actually a small vacuum leak can help aid in idle especially if at idle the truck doesn't have enough commanded idle air flow. Similar to drilling the tb. Sent from my HTC6500LVW using Tapatalk
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The area in red is the WOT timing, this is where you should of had your timing taken out, don't worry about these values as this table is from a completely different vehicle. BTW, where you set up for a 200 shot of nitrous. 7* of timing is a lot to take out.
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From the album: CAI Wars
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Proper installation fixes most issues. Most people don't take the time to properly set up for the install. They usually just want to slap things on and call it a day Sent from my HTC6500LVW using Tapatalk
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Tb isn't going to be the issue of the tb was fine before the swap. The lsxrt is sensitive to installation and can very easily have unwanted air leaks which can cause said issues. As for everyone that keeps on throwing "tuning" under the bus, you guys need to open a book and see how an intake manifold affects an engine tune, and how the pcm/ecm handles those changes. A tune will not fix a mechanical issue such as a vacuum leak but it can mask it. By nature, the lsxrt is a high top end manifold, loss in low end is a major sacrifice here... This is a case of throwing parts at an engine isn't necessarily equal to better performance. Research and goals are a big part of putting parts together. Sent from my HTC6500LVW using Tapatalk
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It's somewhat involved. You can't just add 7° a cross the board. All you should need to do is go to the g/sec where you are in high load and adjust there. Usually the .68+ g/sec tables on a stockish truck Sent from my HTC6500LVW using Tapatalk
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It can be used, but your stock tune needs to be "written entire" onto the new pcm. Sent from my HTC6500LVW using Tapatalk
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Where are the solenoids?
chpspecial replied to Merc Dr.'s topic in AWD, Differential, & Transmission Tech
The tcc pwm should is the one that pushed into the pump, not on the valve body. And yes you need to remove the pan Sent from my HTC6500LVW using Tapatalk -
There is more to a dyno than just a number. Was it a load bearing dyno, or just a pancy inertia dyno? They also need to be calibrated and adjusted for atmospheric conditions. Sent from my HTC6500LVW using Tapatalk
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Sorry just saw that it's a Tbss tb. I need an ls2 for a 63 nova Sent from my HTC6500LVW using Tapatalk
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Work on my 317s or spend same on used 243?
chpspecial replied to NipRing's topic in Engine Tech And Modification
The 243 and 317 heads are almost identical minus the combustion chamber size. So what works for one will work for the other. The 243 stock will raise compression to that of an ls2 Sent from my HTC6500LVW using Tapatalk -
Side business or not, you'd be surprised at the number of call and customers he has to deal with. Sometimes he can't get to them and so many come in that there are a few that slip past him. Sent from my HTC6500LVW using Tapatalk
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Hpt will not work with chrome. Sent from my HTC6500LVW using Tapatalk
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That's is the wire for the chmsl. (center high mount stop lamp). I.e. the third brake lamp. If you have a camper or bed cover this is where you connect the brake lamp to Sent from my HTC6500LVW using Tapatalk
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Need some serious help here
chpspecial replied to Dansilvy75's topic in Engine Tech And Modification
I don't remember what the default on the vvt set up is when there is nothing plugged into the engine side, the truck can potentially be in vvt without a signal causing it to run rough. There are two options. 1, wire in the vvt to your pcm and use a vvt calibration file, or do the vvt delete to the engine. Sent from my HTC6500LVW using Tapatalk -
Need some serious help here
chpspecial replied to Dansilvy75's topic in Engine Tech And Modification
Actually the engine will run with out the cam sensor. It will also throw several codes and potentially missfire. Its the crank sensor that won't let the engine run. Sent from my HTC6500LVW using Tapatalk -
Russell Street Legal Brake Line Kit #672430
chpspecial replied to 5752's topic in Suspension & Brakes
Only if they have rear wheel disc brakes. Otherwise it will be different. The trucks with drums only use 3 lines not 5 Sent from my HTC6500LVW using Tapatalk -
Tuning for trans upgrades
chpspecial replied to Stoshball's topic in AWD, Differential, & Transmission Tech
Depends on what was done to the trans parameters. If line pressures where raised far from stock, then a retune is a must. Otherwise, excessively high line pressures can result causing premature wear or even breaking hard components. Sent from my HTC6500LVW using Tapatalk -
I would see if anybody in your area has a different Dr. X harness you could try. From there I would check all of the plugs to make sure that there isn't a short or broken wire in ant of the tac/peddle/tb plugs Sent from my HTC6500LVW using Tapatalk
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No, kr will not set off REP. REP only comes from a tac/pedal/tb related issue. Sent from my HTC6500LVW using Tapatalk
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It's not just the gap difference. They are also half a step colder. The combo of gap and heat range helps out truck that have a slight miss at idle plus improved throttle response. A tune usually over comes this, but this is how gm fixed the low or erratic idle on most truck. Sent from my HTC6500LVW using Tapatalk
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Gm released a bullitin recommending tr5 plugs. I personally would run the tr5 plug as it's a half step colder than the tr55 and has a smaller gap. Sent from my HTC6500LVW using Tapatalk