I know that my question is very reduntant but I need to ask it. I pull a trailer and want a little more tow po1wer. What on earth can I do to get more out of my truck.. I have been watching lots of posts and things get carried away very quickly about getting big big hp. Gettingn very confused over nwhat to do with this information.
Just need to know what works. I realize there is a cost for everything but a pension will only allow for so much.. Would converting to an 8. Best, least expensive way to get more power out of this engine is with our custom tune.
All other modifications are going to be expensive, labor intensive and still not necessarily yield the same results. Another popular upgrade is changing to Bosch 4 hole injectors. I am doing a full engine swap from a damaged motorhome to my older motorhome. I have a 7. Can you tune my new ECM and will it work without the original key and ignition harness.
I'm sure there are other differences that would need to be addressed but you should still be able to re-use the original key and ignition harness. Do you folks know of cam upgrades along with tuning that would give power upgrades on a l21 with a manual transmission? We are unaware of any cam upgrades specifically for the L That said, the main internal differences between the L29 and L21 is that the L21 has forged pistons and crankshaft. You might be able to run an L29 cam, but you will need to consult an engine builder.
We can tune it if you can build it : Support. Fuel pump doesn't run. I straight wired it to test it and it will run. I replaced the relay to no avail. At the relay the Orange wire is hot with 12 volts continually. The Gray, the green with white strip and the black test grounded.
There is a small red wire that has never been connected to anything. The batteries are fully charged and there is 12 volts to the distributor. I sprayed starter fluid in the tbi and it fired up for a few second. What should I try? Having tried the things you already have, I am pretty confident the issue is the PCM.
Is it worth tuning a black box or worth changing to , I have headers ,cat delete, I have the We tune the original black box PCM but do not do the swap. As I understand it I do not have the newer ECM and these have better processing power but need to be repinned. Is it possible to get the newer with your tune for my truck. Unfortunately this is not something that we offer. I have a GMC school bus with the L21 motor. I'm of the opinion that your upgrade would be smarter than the carb, intake, cam, and distributor mods.
Yes, we can tune your L21 for similar gains as with the L So I have a 98 K with the 7. I have a few questions so bear with me here. Are the tunes generic or do you change different things for different people? I am considering doing an EGR delete and I wasn't sure if this would accommodate that or if it will still throw a check engine light. You claim hp gains is that something that I will notice drastically or is it more of a subtle power increase?
The tuning is custom to each vehicle depending on calibrations, modifications and any special requests. It is quite a noticeable difference! Hello, I have few questions for k 7. The next question could you custom tune ecm for turbo or supercharger with low boost application? And a 5 spd swap? Yes, all gains listed are with 87 octane gas. We don't however specialize in forced induction applications so we would not be able to help you with that.
My question is you claim hp gain on the 7. Also how much benefit do you think I would gain by going aftermarket catback exhaust. Our tuning is based off of extensive dyno testing of RV's, and while results may vary, our gains are generally higher than others due to our expertise in the tuning of the L29 7. Alright Jay! How much will the customization cost me? My car is GMC pick-up 7. It is not 4x4. I do have a questions.. Can I send my original PCM to you to customize it and send it back to me?
Jay Support. Hello there, My car is GMC pick-up 7. I do have two questions.. Yes, we can tune your engine for more power, doesn't matter what type of transmission. This is perfect for an otherwise stock engine as the gains are the best bang for the buck by far.
Would this work on 7. Is it not the same motor from 96 to If it does work what would do for pulling and climbing hills? Will this correct my RPM gauge issue? The issue with your tachometer would only be fixed if there is an actual issue with your PCM. Is it actually running at that RPM or just showing that? You can definitely hold on to your PCM, that is not an issue.
If I order a ecm reprogram will this fix my speedometer error too?? We can adjust for speedometer error. We would just need to know the tire size you are running and if the rear gear ratio was ever changed from factory. I list that this RV was originally equipped with a 4. I'm is Arizona and I'm planning a trip this month after Bonneville, to Aberdeen, home town, and Centralia, still have relatives there.
Could I stop by and get my ecu reprogrammed and wait for it?? Yes that would be fine, you would just need to call in to our service department and schedule a date : Support. I have Itasca, 30 foot Class A motor home with a high mileage engine, will the ECM performance reprogramming, short the life of my engine?
At this point the engine run well, with no code problems. I pull a trailer most of the time, it really bogs down on hills. How do I pay for exchange? Thank You.
We have no issues with tuning a higher mileage engine as long as it is in good running condition. We include a data recorder with the ECM for your to record engine data and send to us to verify all engine systems are running efficiently. Recommended Posts. ShakinLM7 Posted February 21, O2 simulators????
GasHog Posted February 22, Posted February 22, ShakinLM7 Posted February 22, Archived This topic is now archived and is closed to further replies. Go to question listing. Recently Browsing 0 members No registered users viewing this page. Newest Member Phil Bryant Joined 2 hours ago. Popular Forum Topics. A technician can determine if the sensor is responding as it should.
Other engine problems, such as fuel trim running too rich or too lean, oil or coolant burning, or engine misfire problems could all lead to catalytic converter contamination or premature failure.
Depending on the extent of the damage already done, fixing engine problems might save the catalytic converter from a meltdown. Exhaust leaks are common and can skew oxygen sensor readings without setting other DTCs. Worn exhaust gaskets and corroded flex pipes are two common issues that are significantly less expensive and more effective than replacing a catalytic converter. Removing and cleaning the catalytic converter is another potential fix. After removing the catalytic converter, use a pressure washer to blast out any contaminants from the matrix.
Be sure to flush the unit from both ends. Another way to clean the catalytic converter is to soak it overnight in a combination of hot water and degreaser or laundry detergent. This process takes longer but is necessary to dissolve the deposits clogging up your catalytic converter. After washing or soaking, be sure to dry the catalytic converter completely before reinstalling. Sometimes, the catalytic converter absolutely needs to be replaced like if it's broken internally or melted down.
If you have to replace your catalytic converter, make sure it lasts as long as possible with these tips. Last year I had to replace both exhaust manifolds because they both cracked in multiple places.
That works perfectly. Now my MH developed a small metal knock inside one of the 2 catalytic converters. I may have to change them and I am trying to find a place which sells them both together in a single Y unit see picture. Now the next question would be while I am there why not change whatever is left from that point and that is 2 long tubes, the muffler and the left side exit.
When I look at the Banks catalogue I find the price kind of way too high for the back part of the exhaust and it is missing also the 2 long tubes from the catalytic converters to the muffler. Ideas where to find these parts at a proper price?
Join iRV2. Good Sam, SKP. BANKS ecm program. Michelins, TST tptts. AERO mufflers. As far as I know, the "stinger" kit from Banks provides everything you need aft of the cats as well as the ram air scoop and new airfilter hoses and clamps. I did the headers one year and the rest a year later, sort of to spread the cost.
Am happy with it whether or not it is "cost" effective. Banks has other "goodies" available for the diesels and the 8. Oh well. Tho Brazels offers to reprogram the ECM. Thanks for the info, sorry for late reply was skiing this weekend. So if you look at the image the "A" part 2 tubes would be part of the Banks system. Official iRV2 Sponsor. Blog Entries: 6.
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