HP increase with electric water pump????
Thread Starter
Pro
Joined: Dec 1999
Posts: 673
Likes: 0
From: Venetia,Pa,USA
HP increase with electric water pump????
Has anyone actually measured before and after on a Dyno to see if there was any increase in HP?? If so how much and what engine, L98,Lt1, Ls1, cubic inches or what ever ?????. I read there should be up to 20HP which I know is BS but wonder if 10 HP could be picked up.
Le Mans Master
Joined: Aug 2004
Posts: 5,141
Likes: 7
From: Metairie Louisiana
Intermediate
Joined: May 2007
Posts: 37
Likes: 0
When I had my 70 LT1 on my chassis dyno, the fan belt came off on the third pull, it picked up 11 hp at the tires at 7200 rpm's. I beleive the HP gain will be lower on a late model LT1 because it does not drive the alternator.
Team Owner
Joined: Mar 2001
Posts: 30,858
Likes: 293
From: Boston, Dallas, Detroit, SoCal, back to Boston MA
LT1/4's hate heat, LSX engines are a little less sensitive since they have a plastic intake manifold.
You can really cool down the car with one, at least I can with mine.
It also runs real cool around town.
You can really cool down the car with one, at least I can with mine.
It also runs real cool around town.
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Race Director
Joined: Jan 2005
Posts: 10,641
Likes: 13
From: Slidell Louisiana
Nathan Plemon's dyno'd his car with an EWP, I haven't seen him around lately so here's his site:
http://www.wku.edu/~nathan.plemons/htmls/waterpump.html
http://www.wku.edu/~nathan.plemons/htmls/waterpump.html
Drifting
Joined: May 2005
Posts: 1,370
Likes: 1
From: Raleigh NC
I'm not sure of the horsepower gain, but when I put an ewp on my car it went from a 12.60 to a 12.19 with no other changes, except cooler air. As I recall it, it was about 20 degrees cooler, but the car ran consistent 12.30's after that, so it definitely made a difference.
