Re: What Did You Do To Your GC Today
P 1281... Engine is Cold Too Long
Engine coolant temperature remains below normal operating temperatures during vehicle travel (Thermostat). 160 Thermostat, and no tune... |
Re: What Did You Do To Your GC Today
Was going to ask you how you were getting away with running that cold of a stat since it would be leaning out your fuel. Curse DC and thier open loop system. Maybe try a 180* and see what happens.
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Re: What Did You Do To Your GC Today
when its cold out, if i don't let her warm up for a minute or so before driving it'll throw it...
as its off now... without me pulling the battery... :lol_hitting: gas mileage (or lack there of still) has been restored lol the 180 tstat is minimum performance increase, but does help with the gas mileage... the 160 stat is power you can really feel... when theres been air going thru that rad for at least a click or so... i do need to switch to larger injectors though to rich en it up |
Re: What Did You Do To Your GC Today
I think that unless you start considering a PCM upgrade your going to find that just doing the stat and bigger injectors your going to start having problems with your valve train.
Even with the larger injectors your going to have to upgrade the PCM, the open loop system doesn't recognize any changes per say (stock) but constantly tries to maintain a 14.7-1 ratio. |
Re: What Did You Do To Your GC Today
i could always start playing with the resistance with a VR and manually tune the thing lol
god what a nightmare that would be... i think the biggest problem is finding the right oil to protect the valvetrain... im thinking with the lower block temperature (essentially more critical areas are cooler atleast) the oil is not hitting its optimum operating temperature in these crital areas... and i have to go with a lighter weight oil like 0W-30, so it operates better at the lower temperatures... (as theres 5W-30 in there now) but then again there has got to be bearing tolerances and things like that that may not like the thin stuff... which is why i havn't touched that stuff... without consulting a professional... as in an engineer lol :alcoholic: |
Re: What Did You Do To Your GC Today
0w-30, 5w-30, 10w-30 all flow almost the same, the first number is slipperyness the 30 is the wieght/ flow characteristics.
What your doing now is overheating your engine by running it lean with the colder temp, if you go with bigger injectors your PCM will still be trying to lean the fuel out, which will cause it to dump more fuel in and then try to lean it out which will dump more fuel in and then it will try and lean it out which will cause it to dump more fuel in and then it will try to ....:alcoholic: Open loop systems SUCK! That's why there aren't a lot of performance options out there for the WJ's unless you get the PCM flashed after installing all the extra mods. Build a stroker and be done with it. :) |
Re: What Did You Do To Your GC Today
1 Attachment(s)
Jeep 4.6L Stroker / 265+ HP Long Block
* Fully Balanced & Blueprinted Assembly Peak Horsepower: 265 bhp @ 5200 rpm Peak Torque: 295 lb/ft @ 4000 rpm Operating Range: 1000 - 5200 rpm Compression Ratio: 9.0:1 $ 4499.00 Long Block * Please note: All of our Engines are Custom Built per Application, and can be Custom Tailored to fit your Specific Needs. Please Allow 2-4 weeks for Delivery. -------------------------------------------------------------------------------- Specs: Block: Chemically cleaned, Oven Baked, then Stainless-Steel Airless Shot Peened to Remove all remaining Paint & Rust. Visually Inspected, and Fully Magnafluxed to check for cracks. Cylinder Bores Blueprint Bored and Decks Index Squared to the Mains, w/ a Rottler F68A CNC Machining Center. Cynders then Honed with torque-plates, w/ a Sunnen CV-616 Automatic Cylinder Hone Machine. Block is then de-burred, Modifying Oiling Galleys when needed, and then pressure washed. Durabond one-piece cam bearings and Pioneer Brass Freeze plugs installed, now ready for Assembly in our 'Clean Room'. Crank: Airless Shot Peened, Performance Index Ground Factory Crankshaft, Micro Polished, with Chamfered Oil Holes. Rods: Factory Steel Connecting Rods, Airless Shot Peened for Strength, Resized with New ARP Performance Rod Bolts Pistons: Speed-Pro HyperEutectic, Coated Skirts Rings: Speed-Pro Plasma-Moly Bearings: Clevite or Federal Mogul Performance Main and Rod Bearings, Durabond One-Piece Cam Bearings Core Plugs: Pioneer Brass Freeze Plugs Lifters: Comp Cams Hydraulic Pushrods: Comp Cams Magnums Valve Springs: Comp Cams Retainers: Comp Cams Steel Valve Locks: Comp Cams Rocker Arms: Factory Stamped Steel Timing Set: Comp Cams True Double Roller Timing Cover: Factory Reconditioned Oiling System: Custom Blueprinted Melling High Volume Pump, Pickup Tube and HD Drive Oil Pan: Factory Reconditioned Balancer: Professional Products Performance Unit, w/ Degree Marks Gasket Set: Fel-Pro Performance Head Bolts: ARP Performance Rod Bolts: ARP Performance Balancing: Computer Spun Balanced to within 1 gram, using 'CWT Industries' Multi-Bal 5000 Cam: Manufacturer: Comp. Cams Type: Hydraulic Operating Range: 1000 - 5200 RPM Idle Quality: Good Duration: Intake: 210° @ .050" Exhaust: 218° @ .050" Lift: Intake: .477" Exhaust: .493" Lobe Separation: 111° Heads: Type: Jeep Factory Iron Combustion Chamber: 62cc Intake Runner: 155cc Intake Valves: 1.94" Stainless Steel Exhaust Valves: 1.50" Stainless Steel Valve Guides: K-Line "Bronze Bullet" Liners Machining: Performance Multi-Angle Valve Job done on Precision Serdi 104. Custom Porting Available. |
Re: What Did You Do To Your GC Today
drools
when i take a look at my plugs (which i do frequently since i know it has to be close to running lean) the wear on the plugs shows as the regular brownish/grey and the electrode wear is really minimal... regardless its time to to start looking into PCM upgrades to get the most out of everything done... i've talked about getting a stroker, and at one time had the money to do so... but couldn't bite the bullet and drop it in... plus i still have to get the tranny fixed lol |
Re: What Did You Do To Your GC Today
Tell me about it, I've been thinking about getting one for awhile but the cost of the stroker + PCM flash + tranny kit = sell one of the kids.
I tried to talk the gf into selling the youngest one to pay for the mods since he hasn't been around as long as the other 2 so we're not as attached to him. Needless to say she was not amused... |
Re: What Did You Do To Your GC Today
k well did you cover all the angles...
well just how old is he? older than the jeep... younger than the jeep... if older well, you want to stick with the newer of the two... younger than the jeep, tried tested and true... and have become sentimentally attached to and does your wife like the looks she gets when riding the kid around? how about the jeep... or when the kid is dirty... the jeep can stay dirty for days and it never hurt anybody... nobody calls child services on a dirty jeep! im tellin ya when i get hitched she's just got to understand our points of view... LOL :lol_hitting: |
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