Dyno tuning Summit Racing's 450HP 5.3 Long Block
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- Опубліковано 25 лип 2024
- In today's video, I go over the long and painful process I had to deal with to get this heavily modified 2003 Avalanche dialed in with the new Summit Racing 450HP 5.3 Long Block.
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Just noticed you are over 5k subscribers! Super eager for that 8l90 video lol. thanks for the content!!. Sincerely, an OG subscriber.
Coming as soon as I can get another good 8 speed at the shop. I want to make a video in a live truck and not just explaining it at my desk. I’m sure I’ll have one within the next week or so.
That is the same cam I have in my truck and i love it.
man that truck put up a fight and raised havoc
I’ve had decent luck with just changing the oil pressure sensor and soaking the connector in brake cleaner at the oil pressure sensor and the PCM connector. Once you replace the oil pressure sensor and stop it from pushing oil through the connector it’ll stop filling the pcm connector. I thought that was the craziest thing the first time I saw that years ago on a Chrysler vehicle. Amazing how far oil can wick through a harness.
Great info. on P59
Yoooo, you finally hit 5k subscribers, where’s the 8l90 transmission tuning video?
Sounds like your hoping to see +50hp at the tires. That will be a nice noticeable increase. Hope you see more. On with the rest of video.
Dude I wish I had half of your knowledge 😂
I agree with you some long tube headers will wake that truck up
When you have a small pulley on a high output alternator like a mechman RPM is not your friend. I would put a stock pulley size on that alternator. Plus if you look at the alternator itself it looks like there's a lot of belt slippage so you might need a new tensioner also
I have run into that restriction on a 08 Denali.
Does the oil come from the oil pressure sensor wires through the harness or oil leaking onto it? I honestly haven’t seen that before strange
I'm looked up the cam that comes in that 5.3 450hp crate engine SUM-8713R1 and it says it recommends a 2500 stall to be used with that cam. But when you read the overview for the 5.3 450hp it does not say anywhere on the page about using a 2500 stall with that engine and cam combo. That might be a small oversight by summit racing.
Is that oil from the oil sending unit going down the wires?
Do you have a great data log sheet for the injectors?
Unless there’s something wrong, 450hp crankshaft should be 346-360 wheel hp. 4WD/AWD may be a tad lower but I’d expect to see +- 315 wheel.
I was trying to reach you on Facebook I'm going to try and ask the question here I was wanting to know if you have had to swap a 4l60e to a th400 and how to make the ecm read with out the transmission control. I can't find a segment swap to work with the OP number that the ECM runs on any place to go and look for more information thanks
How can a make the EQ error vs Maf
Specs on that cam are close to the tsp maddmaxx
Where does the oil come from?
Hey brother I have a 05 Yukon xl with the 5.3/4Lslippy and I was curious whether or not you have a video on trans tuning that particular trans or not. I’d like to make it shift a little better but I’m not sure where to start. I have hp tuners and I know how to do some stuff but I’m hesitant about trans tuning as I don’t want to break anything. If you do, could you send it to me here or tell me the name of the video? Any help would be greatly appreciated 🤙🏼
You think we can put boost on the motor
Damn that’s pretty sad. My 4.8 on a mustang dyno did 287hp at 4700 rpm. We cut the 3rd gear pull short because I still had street tires on it and wheel speed was 135mph. Second gear pull was around 390hp at 6,000. It was still making power so I don’t know why the tuner stopped the pull. Tuner said this would be close to crank horsepower. Anyway, we guestimated 300-310 at the wheel for the correction. 4.8, mild cam, milled heads, intake, tb, injectors, headers, flowmaster super 10 exhaust.
Sounds like a dyno that needs calibrated. 4.8 don't make that kind of numbers on a mustang dyno without boost or nitrous. Those numbers are more like a 5.3 with a mild cam.
@@coboscustoms4342Bet.
I did a 6.0 swap in my Silverado. The 6.0 is bored 30 over, BTR stage 2 truck cam 212/218, 243 heads, long tube headers & 50lbs injectors on the stock truck intake manifold. Also, still have the 4L60 in it with the stock 3.42 gears & stock muffler, for now. I just got it dyno the other day. My 6.0 made 300hp to the wheel. That doesn’t sound right to me. I just want to get your opinion on that.
Cam is too small, gears are too long is my guess ,then your tuner
@@westcoast6162 what cam would you think will be good?… I didn’t want anything to big.
@mirabalmedia try something like sloppy stage 2 that's a 228/230 cam, it doesn't have to be that cam, try a better intake manifold and a better flow exhaust, we made 380 to the wheels on a heavy 08 silverado. Don't forget a 3200 3600 stall converter, also some 410 gears
@@westcoast6162 I had a sloppy best cam that I should of put in
Put a bigger BTR truck cam in it. Don’t settle for that other junk. Dyno numbers don’t matter in the long run, take it to the track and see what it traps.
I mean they should figure out the alternator and some high flow cats or no cats seems like shobe done before the tuning is dont i mean like 6000 seems low for that big of a camshaft
Honest question, I see oil in semi truck harnesses very often but what I struggle with, oil is not conductive. How does this cause an issue?
I think it basically creates a high resistance because it’s not a conductor I’ve had eop leak into engine harness’s before and I always put a sensor and pigtail and I just take sections off and strip until there is no oil in the wire
😅that's a spiffy Fagalanch
21.5° at 5600 rpm seems low to me from what i have seen
So much bad in that combo. A stock 5.3 makes more power.