Eagle_SX4 Posted May 31, 2023 Share Posted May 31, 2023 12 hours ago, TurboedMJ said: This might be out in left field but looks like you have a high output intake manifold and throttle body on a renix engine. That shouldn't be an issue as long as it was done correctly. From the little research I have done on the topic, the throttle position senor runs the opposite way the renix computer is used to seeing. It would cause some issues if there isn't an adapter for it. Maybe @cruiser54 can comment on this. Link to comment Share on other sites More sharing options...
TurboedMJ Posted May 31, 2023 Author Share Posted May 31, 2023 Yep, I came to the same conclusion. Not sure how that would effect my issue tho. Link to comment Share on other sites More sharing options...
cruiser54 Posted May 31, 2023 Share Posted May 31, 2023 Well for starters, the HO TPS isn't compatible with the Renix system. Link to comment Share on other sites More sharing options...
TurboedMJ Posted June 1, 2023 Author Share Posted June 1, 2023 Well scratch that then. Am I blind and just can't see the letters? Where else should I look? Link to comment Share on other sites More sharing options...
cruiser54 Posted June 1, 2023 Share Posted June 1, 2023 Maybe you can't see the letters because you have the wrong TPS on it..... Link to comment Share on other sites More sharing options...
TurboedMJ Posted June 1, 2023 Author Share Posted June 1, 2023 Will a renix TPS fit on a HO throttle body? Link to comment Share on other sites More sharing options...
cruiser54 Posted June 1, 2023 Share Posted June 1, 2023 Not a bolt-on. Let's see a photo of your throttle body and TPS. Link to comment Share on other sites More sharing options...
TurboedMJ Posted June 1, 2023 Author Share Posted June 1, 2023 Hopefully this is good enough. If not I can take a better pic after school tomorrow Link to comment Share on other sites More sharing options...
cruiser54 Posted June 1, 2023 Share Posted June 1, 2023 It has an HO throttle body, intake manifold, and TPS. There's more to this story. Link to comment Share on other sites More sharing options...
Eagle_SX4 Posted June 1, 2023 Share Posted June 1, 2023 If any one is interested I found a good write up on the Cherokee forum for using a high out put throttle body with a remix TPS. https://www.cherokeeforum.com/f51/diy-adapting-renix-tps-onto-ho-throttle-body-230710/ Link to comment Share on other sites More sharing options...
cruiser54 Posted June 1, 2023 Share Posted June 1, 2023 Renix Link to comment Share on other sites More sharing options...
TurboedMJ Posted June 2, 2023 Author Share Posted June 2, 2023 Should I just move on to the next tip then? Link to comment Share on other sites More sharing options...
cruiser54 Posted June 2, 2023 Share Posted June 2, 2023 I'm not sure what you have. Link to comment Share on other sites More sharing options...
Pete M Posted June 2, 2023 Share Posted June 2, 2023 2: as long as nothing goes wrong during disassembly a lunchbox locker takes an afternoon to install. don't forget new gear oil and gasket. 3: you already have a cold air intake. most aftermarket unit's I've seen are actually "hot air" intakes. Link to comment Share on other sites More sharing options...
TurboedMJ Posted June 2, 2023 Author Share Posted June 2, 2023 10 minutes ago, Pete M said: 3: you already have a cold air intake. most aftermarket unit's I've seen are actually "hot air" intakes. Oh ok. I was going to route a custom built one over to the cold side of the engine and below the alternator but didn't know if it was worth the work Link to comment Share on other sites More sharing options...
Pete M Posted June 2, 2023 Share Posted June 2, 2023 4 minutes ago, TurboedMJ said: Oh ok. I was going to route a custom built one over to the cold side of the engine and below the alternator but didn't know if it was worth the work for power? nothing you'll notice in your butt. a stock engine just doesn't pull enough CFMs to really matter. a 4.7 storker with a wide body TB? then the factory system is a restriction for sure. if you want a kick in the seat of your pants, diff gears are where it's at. Link to comment Share on other sites More sharing options...
TurboedMJ Posted June 2, 2023 Author Share Posted June 2, 2023 How much oil should my air filter have on it? There's a line going from the valve cover into the air box. Link to comment Share on other sites More sharing options...
Pete M Posted June 2, 2023 Share Posted June 2, 2023 1 minute ago, TurboedMJ said: How much oil should my air filter have on it? There's a line going from the valve cover into the air box. in theory it shouldn't have any. in reality the old engines are prone to it. I do believe that one of Cruiser54's tips has valve cover mods that will alleviate most or all of it. should be in the link in my sig. Link to comment Share on other sites More sharing options...
cruiser54 Posted June 2, 2023 Share Posted June 2, 2023 CRUISER'S MOSTLY RENIX TIPS CRUISER’S VALVE COVER MOD NOVEMBER 17, 2015 SALAD 55 COMMENTS Most early and even later Renix 4.0s could be bothered by excessive oil in the air cleaner box. A fix from my old days as Service Manager at a Jeep dealership follows. Information was provided to me from a buddy at JeepTech during those days. I don’t believe it ever came out in a Technical Service Bulletin. Remove the valve cover and turn it over. Next, remove the fluted tubes that are now facing you by removing three screws on each. Chop 1 inch off each of them. Then, drill a half inch hole as shown in the photo. The flat side of the flute that’s closest to the edge of the valve cover. Clean and de-burr/sand all rough edges nicely, clean with solvent, and reinstall. Don’t be concerned about the chintzy gaskets that will probably crumble into oblivion when you remove the fluted tubes. They can go back together without gaskets. Here’s a handy video from my friend Brendan showing more detail. Link to comment Share on other sites More sharing options...
TurboedMJ Posted June 2, 2023 Author Share Posted June 2, 2023 Ok I will do that but I have a couple questions. 1. Can I just plug that tube and plug the entry hole in the air box? 2. Where do I buy replacement grommets? mine are crumbling. Link to comment Share on other sites More sharing options...
cruiser54 Posted June 2, 2023 Share Posted June 2, 2023 Leave it all intact. Here ya go. CRUISER'S MOSTLY RENIX TIPS RENIX VACUUM HARNESSES NOVEMBER 17, 2015 SALAD 29 COMMENTS The vacuum harness that attaches to the front of the valve cover and includes the grommet/fitting, and is called the front harness, is Napa part number BK 715-1367 or is a Dorman 46003. The vacuum harness that is closest to the air cleaner, EGR etc, and is called the rear harness, is Napa part number BK 715-1366 or is a Dorman 46004. The tube from the rear of the valve cover to the intake manifold is part number BK 715-1365 or Dorman 46005 and comes with the valve cover grommet. The Throttle Body to MAP hose is no longer available. Click HERE to access a fix for that. Link to comment Share on other sites More sharing options...
Pete M Posted June 2, 2023 Share Posted June 2, 2023 10 hours ago, TurboedMJ said: 1. Can I just plug that tube and plug the entry hole in the air box? those tubes are very important. Link to comment Share on other sites More sharing options...
TurboedMJ Posted June 2, 2023 Author Share Posted June 2, 2023 Is there a video for how to install that vacuum harness? I don't see where they install Link to comment Share on other sites More sharing options...
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