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L31MaxExpress's latest activity
L31MaxExpress
replied to the thread
Best way to add power to my 98 gmc sierra k1500 with 4.3 vortec
.
This guys 4.3L is a stock engine with a marine intake, turbo system and tune. Making good power.
Apr 23, 2024
L31MaxExpress
replied to the thread
What to look at, for fixing lopey idle and running rich?
.
Especially if it had a good dose of diesel in it.
Apr 23, 2024
L31MaxExpress
reacted to
Scooterwrench's post
in the thread
L31 Extreme Budget Build
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Like
.
Wish you luck with that!
Apr 23, 2024
L31MaxExpress
replied to the thread
L31 Extreme Budget Build
.
It definitely does not seem like it is going to be bad, especially given how much I have been playing around in it. Fun to hear it go...
Apr 23, 2024
L31MaxExpress
reacted to
Scooterwrench's post
in the thread
L31 Extreme Budget Build
with
Like
.
Only to put gas in it.
Apr 23, 2024
L31MaxExpress
reacted to
HotrodZ06's post
in the thread
L31 Extreme Budget Build
with
Like
.
I need fuel economy like that in my truck.
Apr 23, 2024
L31MaxExpress
reacted to
Scooterwrench's post
in the thread
L31 Extreme Budget Build
with
Like
.
That's pretty good MPG for a wall with wheels.
Apr 23, 2024
L31MaxExpress
replied to the thread
L31 Extreme Budget Build
.
If the math works out halfway decent it is getting phenominal fuel mileage cruising 65 mph. Those 29# injectors are operating in a 7-9%...
Apr 23, 2024
L31MaxExpress
replied to the thread
L31 Extreme Budget Build
.
I temporarily permenately sealed it and the air divert air port with aluminum high heat duct tape used for HVAC stuff.
Apr 23, 2024
L31MaxExpress
reacted to
PlayingWithTBI's post
in the thread
L31 Extreme Budget Build
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Like
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On a TBI it's not just the assembly under the hood that's restrictive, it's the ports in the fender and under the headlights. Here's...
Apr 23, 2024
L31MaxExpress
replied to the thread
L31 Extreme Budget Build
.
Luckily it does not and I pulled the semi circular baffle and the thermac flap out of the air cleaner. Under ~4,000 rpm the TBI SBC air...
Apr 23, 2024
L31MaxExpress
replied to the thread
L31 Extreme Budget Build
.
Same as a 4.3 or SBC TBI truck, 5.5 x 2.5. By comparison the big block one is 8 x 3.5. Edit, I just corrected it with the actual...
Apr 23, 2024
L31MaxExpress
replied to the thread
Best Intake gaskets
.
They have not lasted at all for me. 3-4 years and they are junk. I still have the Vortec TPI 383 that was in the 1983 G20. It still...
Apr 23, 2024
L31MaxExpress
replied to the thread
L31 Extreme Budget Build
.
I have not remodeled the engine in DD2003 but when I was planning the L31 injection prior to finding the PF4 and prior to using the dual...
Apr 23, 2024
L31MaxExpress
replied to the thread
L31 Extreme Budget Build
.
So I confirmed from a previous screenshot, key on MAP is -0.6 in/hg here. The TH400 is shifing at ~5,700 rpm with the throttle pinned...
Apr 23, 2024
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