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  '64 1/2 to '73 -- The Classic Mustang
  289 stock hp & torque?

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Author Topic:   289 stock hp & torque?
65coupei6
Gearhead

Posts: 451
From: S.F., CA
Registered: May 2000

posted 06-10-2001 11:34 PM     Click Here to See the Profile for 65coupei6   Click Here to Email 65coupei6     Edit/Delete Message   Reply w/Quote
Anyone know the hp at the rear wheels and torque for a stock 289?

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steve'66
Gearhead

Posts: 8796
From: Sonoma,CA,USA
Registered: Mar 2000

posted 06-11-2001 12:30 AM     Click Here to See the Profile for steve'66   Click Here to Email steve'66     Edit/Delete Message   Reply w/Quote
RWHP for a "stock" 289.... Huh, just a guess, because the old ratings were flywheel #s, I'll say 130-140 hp at the rear wheels. Any one know for sure?

SteveW

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Dave Gibson
Moderator

Posts: 8887
From: Norfolk, Virginia, USA M&M#166 MCA#47921
Registered: Aug 99

posted 06-11-2001 12:30 AM     Click Here to See the Profile for Dave Gibson   Click Here to Email Dave Gibson     Edit/Delete Message   Reply w/Quote
One question comes to mind real quick. Which stock 289 are you asking about, since there are three different 289s that were available???

289 2-V (C code) 200 hp
289 4-V (A code) 225 hp
HiPo 289 4-V (K code) 271 hp

I will have to dig through some books to find the hp numbers at the rear wheels and the torque specs.

Dave & Terri

------------------
66 "C" Code Coupe (Sally)
MCA#47921
M&M #166

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Dave Gibson
Moderator

Posts: 8887
From: Norfolk, Virginia, USA M&M#166 MCA#47921
Registered: Aug 99

posted 06-11-2001 01:12 AM     Click Here to See the Profile for Dave Gibson   Click Here to Email Dave Gibson     Edit/Delete Message   Reply w/Quote
I found some numbers for you. These are from the '65 - '66 289's:

289 2-V "C" code:
200hp @ 4400 rpms; 282lbs-ft torque @ 2400 rpms
289 4-V "A" code:
225hp @ 4800 rpms; 305lbs-ft torque @ 3200 rpms
289 4-V "K" code:
271hp @ 6000 rpms; 312lbs-ft torque @ 3400 rpms

Dave & Terri

------------------
66 "C" Code Coupe (Sally)
MCA#47921
M&M #166

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Fastback68
Gearhead

Posts: 3053
From: Sucat, Paranaque, Philippines
Registered: Jul 99

posted 06-11-2001 03:17 AM     Click Here to See the Profile for Fastback68   Click Here to Email Fastback68     Edit/Delete Message   Reply w/Quote
Rear wheel figures also depend on the transmission, right? I think someone told me once that I was losing about 40% of my hp (302 four barrel, C4) by the time it reached the back. So if I started with 230 hp, I ended up with about 140 hp. With a manual transmission, the loss was about 30%. I think I read that right here at M&M.

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JAAZZY
Gearhead

Posts: 776
From: Bay Area, CA
Registered: Apr 2001

posted 06-11-2001 07:52 AM     Click Here to See the Profile for JAAZZY     Edit/Delete Message   Reply w/Quote
The loss figures seem too high. Maybe you could lose 40% with the C6 but I would say around 15-20% with a manual and 20-25% with an auto as a guestimate.

quote:
Originally posted by Fastback68:
Rear wheel figures also depend on the transmission, right? I think someone told me once that I was losing about 40% of my hp (302 four barrel, C4) by the time it reached the back. So if I started with 230 hp, I ended up with about 140 hp. With a manual transmission, the loss was about 30%. I think I read that right here at M&M.

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