Dynamometer Results & Comparisons - Warning!: Contains low dyno results

Ok guys i have a 01 m6 z28 with longtube pacesetters, slp lid, a piece of crap ported maf (cracked), ls6 intake ,241 heads, smooth bellow, 323 gears with (no tune), ngk tr55 plugs and msd wires ..

I went to g force and mike said my maf was probably the reason .. Anyone else could throw some reasons .. i had a oil change about 1600 miles ago and sparks about 2 months ago..

also i just went to a junk yard and got a 99 corvette maf that doesnt seem to want to go into my slp lid.. should i try harder or return it ?

A bad/dirty MAF can make your car feel like its 30 years old. Mine would cut out real bad and not idle very well. Unplug it and see how it runs. Now that I look at the MAF you need to trash that thing and get a stock one!!

yea im probably going to return that 99 vette maf cuz a guy at g force said he was gonna bring one up to the shop to sell ... seeing those numbers hurt dude!

My car made 355/370 with bolt ons and when the MAF went out I was getting pulled by a stock TA with a cat back. Unplugged the MAF and raped him. If you look at the graph down low the numbers are about par then up top something is happening. My $$ is with the MAF like they said.

Id put money on a that cracked MAF. A screw up MAF can really make the car run like crap.

amazing that a damn maf can really screw things up but almost a 50 hp drop??

Just take the car for a spin tonight. After driving for about 10 mins pull over and unplug the MAF. See if it doesn't run a lot better

What was the a/f on those two runs? Could be MAF. Also kind of looks like ignition/spark problem. Cracked plug or loose/bad wire.

What was the a/f on those two runs? Could be MAF. Also kind of looks like ignition/spark problem. Cracked plug or loose/bad wire.

the a/f wasnt included but i checked all the wires the last time i changed the plugs they where all still in great condition. ive had bad plugs in the past on previous cars ... i dont thing its the plugs

I have a vette maf I had to smooth out the inside of my slp lid to make it fit. And wd40 to slide in better ha. Also your torque looks correct and the peak horsepower looks like it peaks about 400-500 rpm early...

have you compared the size of the vette maf and the maro maf ??? are they exactly the same

replace maf with stocker, tune, re-dyno.

Tuner could have put it in speed density for a few pulls to confirm.

Tuner could have put it in speed density for a few pulls to confirm. He doesn't have a tuner, but they weren't logging AFR so it still might not have answer any questions.

I agree with most everyone else to just unplug the MAF and see if it runs any better.

I also just dynoed my car with a cracked spark plug and lost about 70rwhp. And the car really didn't run that bad.

amazing that a damn maf can really screw things up but almost a 50 hp drop??wouldn't be suprised at all..

wow so i guess i need to unplug if i dont feel a difference ... looks like the plugs are coming back out ... time to pull out the band aids and beer lol

Why do all those mods and NOT tune?

Why would anyone dyno a car and not chart the A/F? How do thy know if it's too lean? You NEED to know if it's too lean so you can get out of the throttle if it is.

That thing peaks at 5K and then nose dives. It's possible it's dangerously lean. That or bad valve springs, or severe knock retard.

Why do all those mods and NOT tune?

i just got the car about 4 months ago and since been in college ..

Why would anyone dyno a car and not chart the A/F? How do thy know if it's too lean? You NEED to know if it's too lean so you can get out of the throttle if it is.

That thing peaks at 5K and then nose dives. It's possible it's dangerously lean. That or bad valve springs, or severe knock retard.

it was 75 for just 3 dyno pulls but when the car is cold i hear a slight knock but it doesnt sound like a spun bearing it sounds more like a valve but when its warm it goes away

if ur in cc take it to unlimited performance frank will tell u exactly what is up.

Personally, it could be your tune, a tune goes a long way.

if ur in cc take it to unlimited performance frank will tell u exactly what is up.

Personally, it could be your tune, a tune goes a long way.

yea i know how much does rick charge for a tune ?

Broken valvespring imo

have you compared the size of the vette maf and the maro maf ??? are they exactly the same

Myne maf was off an 04 vette and was 85 mm I beleive and the stocker is 78mm someone correct if I'm wrong but I think that's right.

ok so i took off my valve cover today and there are no broke valve springs!!! but i was listening to the engine and noticed a slight ticking from around the 4-6 cylinders... i was thinking a pushrod??? i also noticed my supercondutor MSD wires sliped off wit little effort from the spark plug... maybe the wires ???

yea i know how much does rick charge for a tune ?

alex he charges $250 (for me, it might be different for u) frank will know within 1 second whats wrong with ur car (No exaggeration). Turn around time is superb and they are great guys to absorb knowledge or just to talk bs.

http://ls1tech.com/forums/dynamometer-results-comparisons/1499103-full-bolt-ls1-dyno-results-363hp-380wtq-352hp-correct.html

My car posted 352hp for bolt-ons and his tune, they know their shit. Seriously just take it there, it might be just the tune.

Frank Guzman
361-228-5227

Rick Clarke
361-522-4946

btw also, get rid of the msd wires and go ac delco wires or vengeance wires. That noise you hear could be anything, could be a bent valve, bent/broken pushrod, wornout springs ect.

btw also, get rid of the msd wires and go ac delco wires or vengeance wires. That noise you hear could be anything, could be a bent valve, bent/broken pushrod, wornout springs ect.

yikkesss 250 just for them to tell me whats wrong?? seems quite much

Tune isnt going to help if you have mechanical or electrical issues. What do the plugs look like? They white colored? Black? Verify all the spark plug wires are connected and there are no other mechanical or electrical issues before going to the dyno.

no place no matter how good they are should be charging more than $100-$150 for diagnostics.

Tune isnt going to help if you have mechanical or electrical issues. What do the plugs look like? They white colored? Black? Verify all the spark plug wires are connected and there are no other mechanical or electrical issues before going to the dyno.

well the plugs looked brand new when i took them out .. no cracks the wire (MSD) on the on the other had where bad and the number 6 wire was not clicking in so i looked at it and the metal was blocking the wire so i got new plug wires ... it feels better .. but i need to redyno to make sure .. but id rather wait till my tune

No i said $250 for a tune, not for diagnostics. Just give them a call, or bring it in, they shouldnt charge to take a look at it, they normally charge to preform work. Like I said, he'll know within like 10 seconds whats wrong, then go from there. Take my advice alex you won't be disappointed, pm me if u need any help.

And to be quite honest $100-150 to just look at/diagnose your car is a rip off.

No i said $250 for a tune, not for diagnostics. Just give them a call, or bring it in, they shouldnt charge to take a look at it, they normally charge to preform work. Like I said, he'll know within like 10 seconds whats wrong, then go from there. Take my advice alex you won't be disappointed, pm me if u need any help.

And to be quite honest $100-150 to just look at/diagnose your car is a rip off.

woooow 250 for a tune ??? sounds good !!