Do you burn more gas when you...... - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


General GM Chat When starting new posts, please specify YEAR, MAKE, MODEL, ENGINE type, and whatever modifications you have made. Chat about all things GM (and related cars). Off-topic stuff should be in the Lounge, and all Model specific mechanical problems should be posted in the proper forum.

Reply
 
 
 
Thread Tools Search this Thread
Old 02-05-2004, 12:16 PM   #1
Senior Member
True Car Nut
Thread Starter
 
Join Date: May 2003
Posts: 7,262
Thanks: 0
Thanked 0 Times in 0 Posts
ssesc93 is on a distinguished road
Default Do you burn more gas when you......

.....have more torque than horsepower?
ssesc93 is offline   Reply With Quote
Old 02-05-2004, 12:19 PM   #2
Senior Member
True Car Nut
Thread Starter
 
Join Date: May 2003
Posts: 7,262
Thanks: 0
Thanked 0 Times in 0 Posts
ssesc93 is on a distinguished road
Default

i.e.

Impala SS 94-96
horsepower 260
torque 330

Bonneville SSEi 92-93
horsepower 205
torque 260
ssesc93 is offline   Reply With Quote
Old 02-05-2004, 12:41 PM   #3
Senior Member
True Car Nut
 
Join Date: Oct 2003
Location: Pittsburgh, Pa.
Posts: 7,551
Thanks: 0
Thanked 0 Times in 0 Posts
SSsuperchargedEi is on a distinguished road
Default

i would say no because it all depends on how the vehicle at question is driven...
SSsuperchargedEi is offline   Reply With Quote
Old 02-05-2004, 12:45 PM   #4
Sol
Senior Member
True Car Nut
 
Join Date: Sep 2002
Posts: 8,909
Thanks: 0
Thanked 0 Times in 0 Posts
Sol is on a distinguished road
Default

It doesn't matter too much on the cars power. It'* how you drive it.

Obviously though, a 405HP Z06 will burn a lot more gas than a 3400 or something.
Sol is offline   Reply With Quote
Old 02-05-2004, 01:16 PM   #5
Senior Member
Certified Car Nut
 
Join Date: Jun 2003
Posts: 15,928
Thanks: 0
Thanked 0 Times in 0 Posts
BonneMeMN is on a distinguished road
Default

You have to remember HP is derived from Torque x RPM / 5250.

So HP is only determined by what your peak Torque is like, and how much you have at higher RPMS (namely 5000 or more). Take this stuff here into mind...

L36 (205 HP 230lb/ft)
L27 (170 HP 225 ft/lb)

The 5ft/lb on the L36 is @ a much higher RPM then the L27. Since it'* higher up, the equation for HP goes up, and gives you more horsepower. The L27 will beat an L36 off the line, all things being equal, but the L36 will come back because of it'* revs. I personally think the L36 was given a HP over 200 to compete with other imports who have more HP then torque.

One other thing to consider is that not all cars need as much gas to make the same torque. A v8 putting out 300 ft/lbs will take a lot less gas then an I-4 making 300 ft/lbs.
BonneMeMN is offline   Reply With Quote
Old 02-05-2004, 01:28 PM   #6
Senior Member
True Car Nut
Thread Starter
 
Join Date: May 2003
Posts: 7,262
Thanks: 0
Thanked 0 Times in 0 Posts
ssesc93 is on a distinguished road
Default

Thats a good summary.
ssesc93 is offline   Reply With Quote
Old 02-05-2004, 01:58 PM   #7
Senior Member
True Car Nut
 
Join Date: Oct 2003
Location: Pittsburgh, Pa.
Posts: 7,551
Thanks: 0
Thanked 0 Times in 0 Posts
SSsuperchargedEi is on a distinguished road
Default

Quote:
Originally Posted by Sol
It doesn't matter too much on the cars power. It'* how you drive it.

Obviously though, a 405HP Z06 will burn a lot more gas than a 3400 or something.
youd be suprised...
SSsuperchargedEi is offline   Reply With Quote
Old 02-05-2004, 02:46 PM   #8
Senior Member
Certified GM nut
 
Join Date: Jul 2003
Location: Ab,ca
Posts: 1,963
Thanks: 0
Thanked 0 Times in 0 Posts
1992 trofeo is on a distinguished road
Default

You also have to factor gear ratio, and weight.. Thats why the 405hp vette will get pretty damn good economy...If you keep your foot out of it, and keep it in the highest gear you can.
1992 trofeo is offline   Reply With Quote
Old 02-05-2004, 04:12 PM   #9
Senior Member
Certified Car Nut
 
Join Date: Jun 2003
Posts: 15,928
Thanks: 0
Thanked 0 Times in 0 Posts
BonneMeMN is on a distinguished road
Default

Quote:
Originally Posted by 1992 trofeo
You also have to factor gear ratio, and weight.. Thats why the 405hp vette will get pretty damn good economy...If you keep your foot out of it, and keep it in the highest gear you can.
You can drive around in 4th gear easy in that puppy.
BonneMeMN is offline   Reply With Quote
Old 02-05-2004, 04:17 PM   #10
Junior Member
Posts like a Ricer Type-R
 
Join Date: Aug 2002
Posts: 10
Thanks: 0
Thanked 0 Times in 0 Posts
willwren is on a distinguished road
Default

The first post in this thread compares a 350 V8 with a 3800 V6. That'* comparing 5.7liters to 3.8 liters. Your PCM is producing an AFR in a very tight band, so naturally, the larger V8 will burn more gas than the V6 (at idle for comparison), simply because the bore is larger.
willwren is offline   Reply With Quote
 
 
Reply

Related Topics
Thread Thread Starter Forum Replies Last Post
Do you burn premium gas in your GXP? blubyu Bonneville GXP/ Northstar Powered Cars 15 01-14-2008 09:28 PM
Don't look at this car, you may burn your retinas out. Bonneville92V688 Lounge 40 04-23-2007 10:42 PM
Burn hydrogen peroxide in 1liter = 1,500HP TaylorD Performance, Brainstorming & Tuning 7 02-25-2004 04:49 AM
Time to burn some discs MOS95B Lounge 9 12-17-2003 04:20 PM
Oxygen Sensor Burn Out bonnieboy23 1987-1991 11 04-10-2003 11:29 AM


Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off



All times are GMT -4. The time now is 06:45 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.