HP/TQ graph's
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Junior User
Joined: Sep 2002
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HP/TQ graph's
I want a HP/TQ graph on a stock perferible carbed 300 I6. The Fuel injected will work. I want it kinda for braggen rights-low end torque but for personal reference it would be nice to.
Thanks
Dustin
Thanks
Dustin
Posting Guru
Joined: Oct 2002
Posts: 1,301
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From: Dededo, Guam
HP/TQ graph's
I think the numbers for carbed and injected are very close. And i have had close performance on both (old truck was 300 I6 carbed). Anyway here are the numbers. HP is 150 at 3400 RPM's. Torque is 265 at 2000 RPM's. 270 if you have automatic tranny. Hope this helps ya.
Post Fiend
Joined: Jan 2000
Posts: 5,330
Likes: 17
From: Dryden, ON, Canada
HP/TQ graph's
For an 83 carby 300, it's 113 HP @ 3600, 245 ft/lb at 2000, it just runs stronger because it's not running as lean as the EF 300's....
Still, it's pretty sad... Then again, the carb is only 55 CFM @1.5" HG(where a 4bbl is measured)....
Evan
86 F250 HD XLT Lariat Explorer 4x4 ex. Extended Cab: 460 with factory 2.25" catless duals to the muffler(still running the stocker aaargh)
/T19(syncroed granny low)/BW 1345/3.55 geared Full Floater 10.25 and Dana 50 TTB/ 265/75R16 Hankook FR04's on 16x8 Whitespokes(street tires... Need mudders)
78 F150, 351M/C6, eventually to be repowered with a 400
Still, it's pretty sad... Then again, the carb is only 55 CFM @1.5" HG(where a 4bbl is measured)....
Evan
86 F250 HD XLT Lariat Explorer 4x4 ex. Extended Cab: 460 with factory 2.25" catless duals to the muffler(still running the stocker aaargh)
/T19(syncroed granny low)/BW 1345/3.55 geared Full Floater 10.25 and Dana 50 TTB/ 265/75R16 Hankook FR04's on 16x8 Whitespokes(street tires... Need mudders)
78 F150, 351M/C6, eventually to be repowered with a 400
Post Fiend
Joined: Jan 2000
Posts: 5,860
Likes: 4
From: Metro Detroit (Redford)
HP/TQ graph's
>I want a HP/TQ graph on a stock perferible carbed 300 I6.
>The Fuel injected will work. I want it kinda for braggen
>rights-low end torque but for personal reference it would be
>nice to.
>Thanks
>Dustin
These were given me by someone a couple years ago on this site.
RPM/torque (ft lb)/hp
1000/ 225/ 43
1900/ 255/ 92
2500/ 260/ 124
It appears these are for EFI and you can add the Chilton manual EFI figures (2.73 and 3.08 axle) for the following:
2000/ 265/ 101
3400/ 224/ 145
With other axels its 260 ft lb at 2000 and 150 hp at 3400.
hp = torque * RPM / 5252
INLINE SIX POWER!
'95 F150 XL
300 Cubic Inches of Low RPM Truck Torque! And twin-I-beams too!
"Drive a stick young man! There'll be time for automatics when you're old and unable."
>The Fuel injected will work. I want it kinda for braggen
>rights-low end torque but for personal reference it would be
>nice to.
>Thanks
>Dustin
These were given me by someone a couple years ago on this site.
RPM/torque (ft lb)/hp
1000/ 225/ 43
1900/ 255/ 92
2500/ 260/ 124
It appears these are for EFI and you can add the Chilton manual EFI figures (2.73 and 3.08 axle) for the following:
2000/ 265/ 101
3400/ 224/ 145
With other axels its 260 ft lb at 2000 and 150 hp at 3400.
hp = torque * RPM / 5252
INLINE SIX POWER!
'95 F150 XL300 Cubic Inches of Low RPM Truck Torque! And twin-I-beams too!
"Drive a stick young man! There'll be time for automatics when you're old and unable."
Post Fiend
Joined: Jan 2000
Posts: 5,860
Likes: 4
From: Metro Detroit (Redford)
HP/TQ graph's
>The 1988 F-Series brochure has hp/tq graphs, but they aren't
>the greatest. :-(
Ooooh! Brown 4X4, could you read off some of the torque figures at various intervals across the RPM range (like every 500 rpm) and post them here for us? I know they would be approximate, but it would be fun to look them over.
>the greatest. :-(
Ooooh! Brown 4X4, could you read off some of the torque figures at various intervals across the RPM range (like every 500 rpm) and post them here for us? I know they would be approximate, but it would be fun to look them over.
Posting Guru
Joined: Jan 2001
Posts: 2,358
Likes: 3
From: Nebraska
HP/TQ graph's
I sure can. But I won't be home till the 19th to get to them, so you'll have to wait till then 
.
--------------
1995 F-150 Supercab XLT 155" 4x4 M5OD 302
1986 F-150 4x4 NP435 300
.--------------
1995 F-150 Supercab XLT 155" 4x4 M5OD 302
1986 F-150 4x4 NP435 300
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Post Fiend
Joined: Jan 2000
Posts: 5,860
Likes: 4
From: Metro Detroit (Redford)
HP/TQ graph's
Sure, thanks. All good things are worth waiting for.
Makes sense that the '88 brochure would have curves since that I believe is when they upped the power with EFI and would want to promote that aspect.
Makes sense that the '88 brochure would have curves since that I believe is when they upped the power with EFI and would want to promote that aspect.
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