Fastest SBE in the 1/4 mile !!! Classydmax

Classydmax

Member
Aug 13, 2023
10
28
13
BC Canada
So since you all have nothing better to do I thought I’d make a post about my poor old lbz. I bought the truck January 26 2018 as a stock regular cab long box 2006 lbz with 365,000kms 226,000 miles
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With plans of making it a race truck I bought a pack of grinder blades and went at it.
IMG_4118.jpeg I cut the frame to make it a super short box gutted the bed and added front coil over kit.
And a set of caltracs
I think it was stock fuel with a drop in 72mm vgt and dual stock cp3’s

On stock transmission I did a 11.7

This truck has raced every year and has had its share of issues. been upgraded slowly to what it is today.

Fuel only currently it went a best of 9.85 at 140mph in the 1/4

Then Friday I decided I’d had enough and sprayed it with a .073 jet and that seemed to help the 60’ enough were my bad driving and short shifting didn’t matter and set the new stock bottom end 1/4 mile record.
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The parts on the truck are as follows.

Engine
Fass 220gph lift pump
Dual stock cp3’s
300% flux injectors
79/89 1.15 vs turbo
Nitrous express max5


Suspension
Caltracs
Dual adjustable Viking shocks
Viking Coil overs

Interior
N/A lol

Weight
Truck hasn’t been weighed in a while but is still around 4600 lbs
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I think the truck has a 5.80 in it and a 8.90 with a little better track prep and driving.

Thanks for having me !
 

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TheBac

Why do I keep doing this?
Staff member
Apr 19, 2008
15,324
1,611
113
Mid Michigan
Mark said this truck has a 4L80 in it? If it is stock, how are you keeping it in one piece?
 

Classydmax

Member
Aug 13, 2023
10
28
13
BC Canada
Mark said this truck has a 4L80 in it? If it is stock, how are you keeping it in one piece?
It’s far from stock. It has a factory case but has lots of billet shafts and such. I had it built by a local builder but it will need a refresh this off season as it actually went into neutral for the last 100ft of my record pass.
 

1FastBrick

Well-known member
Dec 1, 2016
2,195
815
113
Junkyard
Nothing wrong with that. I finally just got a denali grill for my 1500. Now I need to get the bumper shell painted to match the truck.
 

Bbuchanan11

Active member
Sep 9, 2011
252
91
28
Sarver, PA
Which converter are you running? Also stock flex plate? What kind of transmission electronics are you running? I thought about putting something other than the Allison in my truck when it was broke last year.
 

JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
13,599
632
113
Texas!!!
Great job on the pass. The 60' is the most impressive to me. I take it you're running a manual valve body?
 
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Classydmax

Member
Aug 13, 2023
10
28
13
BC Canada
Which converter are you running? Also stock flex plate? What kind of transmission electronics are you running? I thought about putting something other than the Allison in my truck when it was broke last year.
I have a SoCal billet flex plate which is needed for safety. It has a tcs dual disk converter with a decently low stall speed. And it has a full manual valve body so it’s only got 2 wires one for trans brake and one for converter lock up.
 

JoshH

Daggum farm truck
Staff member
Vendor/Sponsor
Feb 14, 2007
13,599
632
113
Texas!!!
I had my van setup to spray out of the hole. I had the nitrous wired so it was deactivated with the trans brake, but it turned it on as soon as I let go of the button. It definitely liked the nitrous. It would do high 1.6/low 1.7 60' on fuel, but it dropped almost a tenth on spray.
 

Classydmax

Member
Aug 13, 2023
10
28
13
BC Canada
I had my van setup to spray out of the hole. I had the nitrous wired so it was deactivated with the trans brake, but it turned it on as soon as I let go of the button. It definitely liked the nitrous. It would do high 1.6/low 1.7 60' on fuel, but it dropped almost a tenth on spray.
I have it set up the same way as you except I have a max 5 progressive controller so it hit it .4 seconds in with 20% of a .073 jet and then feed it all in by the 330’
 

Classydmax

Member
Aug 13, 2023
10
28
13
BC Canada
Well blew it up good spun 3 mains bearings and cracked a piston. Also put oil all over the track as it blew the rear main seal out. But it’s the end of the season here and have plans on making a whole new thread on the new build as the truck sold as a roller. Truck did still do a 9.85 with a 1.55 60’ at 137mph spinning on its own oil through the traps.
 

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