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What's the fastest stock bottom end LSx?

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Old 11-27-2012, 12:21 PM
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Default What's the fastest stock bottom end LSx?

As far as the Internet knows, who has the quickest/fastest LS based stock bottom end? Whats it run? And is it a stock suspension full bodied car or tube chassis big tire, etc? Stock bottom end being stock block, crank, rods, pistons.
Old 11-27-2012, 12:55 PM
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Skinnies rx7 8.6 et I think what a.r are u running?
Old 11-27-2012, 12:58 PM
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Skinnies on here has gone 8.60's with a stock bottom end 5.3 in a 2600lb rx7 big tire car.
Old 11-27-2012, 12:58 PM
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We have been 1.26 60', 5.70@122, and 8.98 @ 147 in a stock suspension full weight 85 Mustang Street car. #3400+ This was weighed on DragWeek the year before this run, before we added more reinforcements in the rear suspension mounting points.

The car was having problems with the ignition firing the E85 after about 1000 ft.(this why there is a lower MPH than expected) This is also a Non-Intercooled street driven, street car, even has the stock heater, dash, etc.
We drove 1300+ miles on HotRod DragWeek in 2010 with it.

Stock 02' LQ4, stock short block, stock 317 heads, Z06 cam, stock rod bolts,stock ring gaps, ls9 gaskets, arp head studs(We went 9.37 on stock head gaskets,and stock tty head bolts @ about #50lbs less weight on DragWeek the year before this video.)

3.25 rear gear 9", "Hutch" powerglide, Ultimate convertor.

Truck manifolds, Pt88 turbo, twin tial 44mm wastegates.

Megasquirt II, MSD 6010, Fuelab prodigy pump, e85 "out of the pump" fuel.

We tried to increase the voltage to the "heat sink" truck coils the next year and destroyed the engine with what we now know as "scatter spark" those coils are prone to when drawing too much current.

Old 11-27-2012, 01:27 PM
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mayhem motorsports recently went 5.44@129 on a stock 5.3 set up. That is the quickest through the 1/8th

Skinnies as stated above has been 8.6x in the 1/4 on a stock 5.3 set up.

i recently went 5.88@119 on my stock 4.8.

Lavoy has been 5.65 iirc and 8.85 so he is the stock 4.8 record holder.

Last edited by oneoverwrx; 11-27-2012 at 01:45 PM.
Old 11-27-2012, 03:54 PM
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Cool, thanks for the info guys, those are some pretty good times you guys put up for what y'all got. Gonna try to make it to a 1/4 mile track this weekend and see what I can do.
Old 11-27-2012, 04:10 PM
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Lol. Didn't realize u were mayhem Motorsports. Lol.
Old 11-27-2012, 05:02 PM
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Originally Posted by 1blackgt96
Cool, thanks for the info guys, those are some pretty good times you guys put up for what y'all got. Gonna try to make it to a 1/4 mile track this weekend and see what I can do.
Do you guys have an oil diaper, or containment pan on that car?

You are pushing those older rods really hard to go that fast at you weight.

If it holds together it should do 160, you have the gear for that?

Good Luck,hope to see some good video of it.
Old 11-27-2012, 06:10 PM
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and mines a nitrous rig stock shortblock 6.2 86 gt 3040 lb 8.84 at 152
Old 11-27-2012, 06:25 PM
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Originally Posted by 1blackgt96
As far as the Internet knows, who has the quickest/fastest LS based stock bottom end? Whats it run? And is it a stock suspension full bodied car or tube chassis big tire, etc? Stock bottom end being stock block, crank, rods, pistons.
Mayhems 5.3 mustang. You might of heard of them and the car....Something of a big deal
Old 11-27-2012, 09:32 PM
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Originally Posted by Boostfed
Mayhems 5.3 mustang. You might of heard of them and the car....Something of a big deal
Old 11-27-2012, 11:07 PM
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Times in my sig on a shitty pass, only 5.7 through the 1/8th, been 5.5 through the 1/8th but never got a clean full pass as our track shut down. I sold the rx7 early this year, but got a mustang to build to try to go faster with. That 5.44 1/8th should do it, I still think setup in the right car 7.99 is doable at 170+ mph.
Old 11-28-2012, 06:42 AM
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Originally Posted by skinnies
Times in my sig on a shitty pass, only 5.7 through the 1/8th, been 5.5 through the 1/8th but never got a clean full pass as our track shut down. I sold the rx7 early this year, but got a mustang to build to try to go faster with. That 5.44 1/8th should do it, I still think setup in the right car 7.99 is doable at 170+ mph.
I agree. I can't wait to see how mine does with a real turbo.
Old 11-28-2012, 08:08 AM
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Originally Posted by skinnies
Times in my sig on a shitty pass, only 5.7 through the 1/8th, been 5.5 through the 1/8th but never got a clean full pass as our track shut down. I sold the rx7 early this year, but got a mustang to build to try to go faster with. That 5.44 1/8th should do it, I still think setup in the right car 7.99 is doable at 170+ mph.
It's going in a 2700lb four link car this winter. Hello 4.90s..
Old 11-28-2012, 08:22 AM
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Skinnies, what year is your motor? Should I be worried about my 03 rods and pistons in mine when Maxx turns it up? Ha.
Old 11-28-2012, 09:11 AM
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Originally Posted by 1blackgt96
It's going in a 2700lb four link car this winter. Hello 4.90s..
Mother of God
Old 11-28-2012, 03:06 PM
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Originally Posted by 1blackgt96
It's going in a 2700lb four link car this winter. Hello 4.90s..
Caitlyn's camaro?
Old 11-28-2012, 03:16 PM
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Originally Posted by 1blackgt96
It's going in a 2700lb four link car this winter. Hello 4.90s..
Hell ya! My rx7 was a stupid cheap street car chassis that we never got worked out until the end....then broke the glide and the track closed.



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