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JCODOHERTY's latest activity
JCODOHERTY
reacted to
2006Tahoe2WD's post
in the thread
Long term and short term fuel trims intake leak, low idle, improving fuel mileage. Mpg
with
Like
.
I'm curious to see if your LTFTs change. I'm running +2-4% at idle and ~+10% on the highway. I'm thinking the injectors are not...
Aug 25, 2024
JCODOHERTY
reacted to
afpj's post
in the thread
Long term and short term fuel trims intake leak, low idle, improving fuel mileage. Mpg
with
Like
.
I think it's best to take a MAF reading when it's warmed up, but the values for idle that you posted 0.6 3 lb per minute is about 4.8...
Aug 25, 2024
JCODOHERTY
reacted to
Burban22's post
in the thread
Long term and short term fuel trims intake leak, low idle, improving fuel mileage. Mpg
with
Like
.
Disconnected battery for an hour and now get these values. Idle 2k rpm 3k rpm These are all done at operating temp and in park...
Aug 25, 2024
JCODOHERTY
reacted to
Fless's post
in the thread
Long term and short term fuel trims intake leak, low idle, improving fuel mileage. Mpg
with
Like
.
Generally speaking the FF pumps tend to have lower output pressure but more volume (FF injectors can put more fuel in the cylinder to...
Aug 25, 2024
JCODOHERTY
reacted to
Burban22's post
in the thread
Long term and short term fuel trims intake leak, low idle, improving fuel mileage. Mpg
with
Like
.
I’ll order a replacement delco or Delphi purge valve. 173k miles 2003 LM7 5.3 non flex fuel but I put a flex fuel pump in it with...
Aug 25, 2024
JCODOHERTY
reacted to
Burban22's post
in the thread
Long term and short term fuel trims intake leak, low idle, improving fuel mileage. Mpg
with
Like
.
Thanks for the detailed reply! The burb runs great and I’ve seen 15 - 16 on highway going 70 (hand calculated) I’ve replaced: Fuel...
Aug 25, 2024
JCODOHERTY
reacted to
LordWayback's post
in the thread
I need my 01 Yukon xL 5.3 louder but not ear piercing
with
Like
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The standard shackle will go over the muffler and clamp to the adapter on the small side and the 3” id(large side) will go to the...
Aug 25, 2024
JCODOHERTY
reacted to
Mudsport96's post
in the thread
I need my 01 Yukon xL 5.3 louder but not ear piercing
with
Like
.
This guy did it backwards... long tubes and Y pipe into stock muffler and tailpipe
Aug 25, 2024
JCODOHERTY
reacted to
Trey Hardy's post
in the thread
I need my 01 Yukon xL 5.3 louder but not ear piercing
with
Like
.
All depends on who you know ;) plus you can always run some pipe through your stock cats or get a set of “dummy” cats just for looks. As...
Aug 25, 2024
JCODOHERTY
reacted to
Marky Dissod's post
in the thread
I need my 01 Yukon xL 5.3 louder but not ear piercing
with
Like
.
1. Open and hollow out a catalytic converter, or find one already hollowed out. 2. Stick straight pipe through hollowed catalytic...
Aug 25, 2024
JCODOHERTY
reacted to
mattbta's post
in the thread
I need my 01 Yukon xL 5.3 louder but not ear piercing
with
Like
.
I have one of these (single in, dual out) and it's a tad loud for me but not horrible. I'm 43 now and long gone are my 19 year old LS1...
Aug 25, 2024
JCODOHERTY
reacted to
LordWayback's post
in the thread
I need my 01 Yukon xL 5.3 louder but not ear piercing
with
Like
.
Pic from last night but I’m gonna end up going with this and if it’s too loud or quiet change it I’m gonna clamp it on and put a...
Aug 25, 2024
JCODOHERTY
reacted to
Trey Hardy's post
in the thread
I need my 01 Yukon xL 5.3 louder but not ear piercing
with
Like
.
I got Longtubes and no cats with a x pipe to take away the popping frapping out the exhaust then running into duel flowmasters super 10s...
Aug 25, 2024
JCODOHERTY
reacted to
MassHoe04's post
in the thread
I need my 01 Yukon xL 5.3 louder but not ear piercing
with
Like
.
The PO installed Corsa Performance stainless cat-back system on my 04 5.3. LOVE IT!!! A little grumbly and rough around the edges, but...
Aug 25, 2024
JCODOHERTY
reacted to
Sam Harris's post
in the thread
I need my 01 Yukon xL 5.3 louder but not ear piercing
with
Like
.
I’ve been pretty happy with an 18” magnaflow in place of the gigantic factory muffler. The resonator has also been removed, and a...
Aug 25, 2024
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