I want to know if anyone has ran more than 150 shot on a stock short block L98. I can pull timing with my msd and have enough fuel, but I am not sure if I can swing it.


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1991 Firebird
350 L98 (was a 305 TBI)
T-5 transmission
Edelbrock TES and cat back
Accel manifold
NOS
subframes
jegster torque arm
MSD Digital 6
AFPR
Lakewood lcas
Hurst linelock
SLP cam (206 212 .480 .486)
relocated battery
cold air
Hypertech chip
centerforce df clutch
poly bushings and mounts
AFR 190s
Harland sharp 1.5 rockers
a/f gauge
autopower rollbar

12.44 @ 114.63 juiced uncorrected

13.549 @ 102 non juiced uncorrected

 

150 plus shot of spray on a stock short block is living on the edge. It may last a little while but not for long.

 

how do you know? I am not convinced with that "living on the edge statement"

 

I ran a 150 shot for 4 years(good amount of use) and had zero problems with it. Like I say, Go or Blow :-)

 

No, see I want more than 150 now.

 

don't hurt it, please

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1992 Pontiac Firebird (stock)
- 5.0L V8 TBI / Automatic Trans / Every option, excluding leather
- Killer car audio system:

• Aiwa CDC-MP3 head unit
• Rockford Fosgate 360a2 amp
• pair of 12" MTX Thunder 5000s in a custom box
• Pioneer 3-way 6x9s, soon to add more more more!

 

I'm using a ~175-200 shot in my stock Motor at the moment and I've only ran 3 bottles threw it at that shot..

So far so good...

I think it depends on what system you have

Dry or Wet?

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Hecubus
Check out my new site http://www.geocities.com/hecubus91
91-Z28 305 Tpi "G92" mods-- K$N/Foil/Cat Back 3" Flowmaster/3" High Flow Cat/B&M shifter/ Intrax Springs/ Kyb Shock's-Struts's/Poly Bushings/Hotchkis Strut Tower Brace/Nos Wet Plate System currently ~200hp shot/ 155lph Fuel Pump/ Holly Adj. Fuel Press. Regulator/Digital Fuel,Air-fuel, voltage & Oil Press Guage's/MSD 6al/ Blaster coil/ Optima,Yellow top batt.

"I spent all my money on race cars, beer, and Broads... The Rest I wasted"

[This message has been edited by Hecubus (edited June 13, 2001).]

 

I am running a wet system. What n20 jet do you have?

 

I'm all the way up to 78 and my fuel is down to a 32

but the small silonids only will flow up to a 75 jet

I just didnt have a 75 ..I've heard from a local speed shop guy that they will flow a little more though

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Hecubus
Check out my new site http://www.geocities.com/hecubus91
91-Z28 305 Tpi "G92" mods-- K$N/Foil/Cat Back 3" Flowmaster/3" High Flow Cat/B&M shifter/ Intrax Springs/ Kyb Shock's-Struts's/Poly Bushings/Hotchkis Strut Tower Brace/Nos Wet Plate System currently ~200hp shot/ 155lph Fuel Pump/ Holly Adj. Fuel Press. Regulator/Digital Fuel,Air-fuel, voltage & Oil Press Guage's/MSD 6al/ Blaster coil/ Optima,Yellow top batt.

"I spent all my money on race cars, beer, and Broads... The Rest I wasted"

 

What brand of system do you have? What is your fuel pressure? What do you mean down to a 32 on fuel? Seems a little small. Thanks

 

It's a N.O.S. system

I running about 48 fuel pressure most of the time with vacume

yes that is what I ment by all the way down

that fuel jet is really small for that no2 jet (was having way too rich mix) ..... I suspect that my 255lph pump was too much flow for the stock jetting

------------------
Hecubus
Check out my new site http://www.geocities.com/hecubus91
91-Z28 305 Tpi "G92" mods-- K$N/Foil/Cat Back 3" Flowmaster/3" High Flow Cat/B&M shifter/ Intrax Springs/ Kyb Shock's-Struts's/Poly Bushings/Hotchkis Strut Tower Brace/Nos Wet Plate System currently ~200hp shot/ 155lph Fuel Pump/ Holly Adj. Fuel Press. Regulator/Digital Fuel,Air-fuel, voltage & Oil Press Guage's/MSD 6al/ Blaster coil/ Optima,Yellow top batt.

"I spent all my money on race cars, beer, and Broads... The Rest I wasted"

 

sorry Doubble post
------------------
Hecubus
Check out my new site http://www.geocities.com/hecubus91
91-Z28 305 Tpi "G92" mods-- K$N/Foil/Cat Back 3" Flowmaster/3" High Flow Cat/B&M shifter/ Intrax Springs/ Kyb Shock's-Struts's/Poly Bushings/Hotchkis Strut Tower Brace/Nos Wet Plate System currently ~200hp shot/ 155lph Fuel Pump/ Holly Adj. Fuel Press. Regulator/Digital Fuel,Air-fuel, voltage & Oil Press Guage's/MSD 6al/ Blaster coil/ Optima,Yellow top batt.

"I spent all my money on race cars, beer, and Broads... The Rest I wasted"

[This message has been edited by Hecubus (edited June 15, 2001).]