LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Gas mileage with Hot Cam?

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Old Dec 3, 2003 | 03:30 PM
  #1  
ToocoolZ28's Avatar
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From: Murfreesboro,Tn
Gas mileage with Hot Cam?

Can anyone tell me what the difference in gas mileage was after going to the Hot cam? I'm getting close to having to do a rebuild and I plan to go with the Hot cam. This is my daily driver (100 miles a day) so I want to keep drivability and gas mileage reasonable. Right now I get 29mpg on the highway, around 22 driving to work and 17 or so in town.
Ron
Old Dec 3, 2003 | 03:35 PM
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timmyZ28's Avatar
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I get around 17 mpg on a mixed driving condition, which would be driving WOT + in city traffic + on highway.
Old Dec 3, 2003 | 05:00 PM
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From: fl,jax
I am getting 20 to 22 mpg ( mostly hwy) still think that there is more in it, need to tune it some more ( really rich ) , that includes some wot blast's on the expressway
Old Dec 3, 2003 | 06:15 PM
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From: Lufkin, TX
I don't think that the hotcam hurts gas all that much...i was getting around 280 miles out of a tank then did the hotcam kit and ported heads and stayed right around 260 miles a tank....then switched from 3.42's to 4.10's and dropped to about 200 miles a tank.....
Old Dec 3, 2003 | 06:19 PM
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From: HI.
Well...let me tell ya. For my car I'm getting like 13 mpg with mixed conditions...mosts city drving though. About what I expected.
Old Dec 3, 2003 | 08:46 PM
  #6  
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From: Inverness, FL
My 96SS HOT cam car has ~400 rwhp and gets 25 mpg on the highway. I get 20 mpg mixed driving. To top it off, I get this mileage with 4.10 gearing. Not too bad for my grocery getter
Old Dec 3, 2003 | 09:06 PM
  #7  
EDS Z28's Avatar
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From: Southern CA
Gassing it around town, approx. 10-12 mpg and 120-150 miles a tank.
On the highway, I'm pretty sure it's at least 20.
Way back in '95 when the motor was stock with just bolt ons I got near 30 mpg on the highway, level road though.

Lets face it, your mileage is going to suffer somewhat. If you drive 100 miles a day, I would look for milder cam.
Old Dec 3, 2003 | 09:29 PM
  #8  
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From: Lufkin, TX
Milder than the hotcam? It's pretty mild to me...
Old Dec 6, 2003 | 02:18 AM
  #9  
92LT1RS's Avatar
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From: Slidell, LA
30 hwy/18 city
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