Ask a McRat!

McRat

Diesel Hotrodder
Aug 2, 2006
11,249
26
38
64
Norco CA
www.mcratracing.com
What kind of Music do you like pat? And is it possible to beat Mike Dilhennay with our setup?

10% of all music is great.

It's the other 90% that bugs the crap outta me.

My radio is normal on Country Western, my CD's are a mix of different kinds of music.

Statistically your odds are good. His truck is wildly unreliably when he turns it up to run 12's. It's a 14 second flat truck without drugs.
 

JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
13,713
774
113
Texas!!!
If you can answer this question then I will finally know everything as you once did.

How many licks does it take to get to the tootsie roll center of a tootsie pop?
 

LB7Diesel

Oh Boy!
Sep 3, 2006
1,355
0
0
Melbourne, F.L.
Hell, I'll give it a shot too.. What is the over kill psi of a LB7 Turbo? I've heard anything over 28psi is overspooling.. I like 31psi..But!! I ran 24psi just guessing adjusting my big head that GM F-ed up and it ran a 12.9:confused:
 

dynarex

New member
Dec 27, 2006
54
0
0
heres a good one-
does advancing timing create h/p and kill torque
in an otherwise stock lbz lets say i want more h/p and less torque output
other than increasing rpm how can i?
 

McRat

Diesel Hotrodder
Aug 2, 2006
11,249
26
38
64
Norco CA
www.mcratracing.com
Hell, I'll give it a shot too.. What is the over kill psi of a LB7 Turbo? I've heard anything over 28psi is overspooling.. I like 31psi..But!! I ran 24psi just guessing adjusting my big head that GM F-ed up and it ran a 12.9:confused:


Seems the later LB7 chargers can handle more abuse, BUT nearly everyone who has set their boost at 36PSI or higher has lost their chargers. 40PSI is pretty much a guarantee.
 

LB7Diesel

Oh Boy!
Sep 3, 2006
1,355
0
0
Melbourne, F.L.
So Pat, Does higher boost = more power,or O2 on a LB7 charger, or am i overspooling at 31? That's the ? of the hour:D I know i'd kill it at 36 or 40psi..:p
 

Mike L.

Got Sheep?
Staff member
Vendor/Sponsor
Aug 12, 2006
15,681
232
63
Fullerton CA
So Pat,
If the speed of light is 186,000 miles per sec and you are driving your truck 68 mph and turn your headlights on; how fast is the light beam going? :baby:
 

McRat

Diesel Hotrodder
Aug 2, 2006
11,249
26
38
64
Norco CA
www.mcratracing.com
heres a good one-
does advancing timing create h/p and kill torque
in an otherwise stock lbz lets say i want more h/p and less torque output
other than increasing rpm how can i?

No, there is a "right" amount of timing for peak HP. Problem is, too many people raise the timing too early. It has to match the boost curve. Too much timing will kill torque only because it kills HP at the same time.
 

McRat

Diesel Hotrodder
Aug 2, 2006
11,249
26
38
64
Norco CA
www.mcratracing.com
So Pat, Does higher boost = more power,or O2 on a LB7 charger, or am i overspooling at 31? That's the ? of the hour:D I know i'd kill it at 36 or 40psi..:p

30 PSI is considered the "safe" boost for an LB7. You can make more power by going higher though, but the EGT's go nuts too.

If you want to play, perhaps turn the charger up to 36PSI and shoot some water meth in.
 

McRat

Diesel Hotrodder
Aug 2, 2006
11,249
26
38
64
Norco CA
www.mcratracing.com
So Pat,
If the speed of light is 186,000 miles per sec and you are driving your truck 68 mph and turn your headlights on; how fast is the light beam going? :baby:

186k miles per second, relative to you, because your velocity distorts your timebase.

But if find the right hidden tables, you can actually catch up to your headlight beams I've heard.
 

LBZ

Super Moderator
Staff member
Jul 2, 2007
9,903
149
63
46
B.C.
And with the missing and magic tables!! Used in the right combination!!