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by **james-93-12valve** » Fri Aug 28, 2009 12:55 pm

i was just wondering roughly how much horspower i have my pump is turned up as much as it can go everything else is stock

by **93_Fummins** » Fri Aug 28, 2009 1:14 pm

Give a rundown of all the mods, if any...

Injectors?
Intercooler?
Downpipe?
Intake/airfilter?
Boost tubes/intake horn?
Fuel Pin?
Govenor Spring?
Smoke Screw/Starwheel Mods?
Timing?
Turbo Setup?
Boost and EGT numbers at given loads and speeds?

Without running it on a dyno to find out, it's just going to be a guess...

by **Oddfire** » Fri Aug 28, 2009 1:25 pm

james-93-12valve wrote:".... everything else is stock"

by **93_Fummins** » Fri Aug 28, 2009 2:21 pm

Oddfire wrote:
james-93-12valve wrote:".... everything else is stock"

Hmmm, I must have been hanging over a little worse than I thought this morning...

by **MMeier** » Fri Aug 28, 2009 4:57 pm

Oddfire wrote:
james-93-12valve wrote:".... everything else is stock"

He says stock, yet shows 4" exhaust in his sig... so what else is changed, air intake? etc.? If thats about it, I'd say you have maybe 160 at the wheels. Put the thing on a dyno!!

by **bulltamer** » Fri Aug 28, 2009 5:28 pm

he got a stock exhaust straight piped with a 5 inch tip

star wheel turned in deep as it can go, smoke screw turned all the way in

fuel screw in lik two turns with a BHAF

no gauges

by **james-93-12valve** » Fri Aug 28, 2009 10:36 pm

bulltamer wrote:he got a stock exhaust straight piped with a 5 inch tip

star wheel turned in deep as it can go, smoke screw turned all the way in

fuel screw in lik two turns with a BHAF

no gauges

actually my fuels screw is all the way in

by **93_Fummins** » Tue Sep 01, 2009 6:09 am

bulltamer wrote:

no gauges

by **meby** » Tue Sep 01, 2009 6:51 am

[quote="james-93-12valve"

actually my fuels screw is all the way in[/quote]

Hp can vary quite a bit from on truck to another given how worn certain parts are such as injectors.

That said, my last truck had the fuel screw turned all the way in (past the collar), had several other minor pump modifications (afc related and 366 spring), 21 cm exhaust housing, and had a 4" straight exhaust. It would do 85 in a quarter at its peak (7700 lb I/C'd truck). Punch that into a hp calculator and it was running in the vicinity of 370 hp at the crank (according to several web calculators).

by **JQmile** » Thu Sep 03, 2009 10:33 pm

I'd guess 220-250 at the wheels. Run it down the quarter mile if you're too cheap to dyno it.

They have HP calculators that can get pretty close.

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