Ram air...on an S10?

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nismo
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Ram air...on an S10?

Postby nismo » Wed Sep 07, 2005 11:10 pm

I've been working on something for my truck, and I wonder if you guys have any comments.

I wish I could do a before and after dyno of my truck, but don't have the means. So if you have a guess at what this will do for HP, please do tell.
From what I'm told, my truck should dyno at about 100 whp stock. Since I've had it, I have added taller tires. I went from a 27" to 28.2" tire, so I know I lose a bit there. But I've added a K&N panel filter (and built the ram air in the pic below), removed my mechanical fan for an electric fan, put in a 180* thermostat, bought a Hotshot header (told its worth 10 hp), along with a custom downpipe (2.5 up from 1.625-1.875?), soon to have cat-delete or hi flow replacement, along with 2.5" cat-back (instead of 2.25).

Any idea how much this might help? I know 2-3 hp probably won't be noticeable, but I need as much efficiency as I can get. I got 29 mpg @ 90 mph on the interstate driving from Indianapolis to Memphis...but I'm not sure what I get on the highway. Mixed driving is about 25 mpg though.

Thoughts are welcomed.

Eric
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RADEoN

Postby RADEoN » Fri Sep 09, 2005 11:11 pm

Gopher it. Looks pretty good.
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brandon
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Postby brandon » Thu Sep 15, 2005 6:45 pm

what motor you got? 2.2 or 4.3?
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nismo
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Postby nismo » Thu Sep 15, 2005 10:26 pm

2.poo. Needs ALL the help it can get.

Eric
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clarq_kent
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Postby clarq_kent » Sun Oct 02, 2005 5:12 am

Hey U can still do alot with a 2.poo err 2.2
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danssoslow
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Postby danssoslow » Sun Oct 02, 2005 9:07 pm

nismo wrote:I got 29 mpg @ 90 mph on the interstate driving from Indianapolis to Memphis
Eric


Hey, was that Memphis,IN? If you stop at the big truckstop on the left to grab a bite to eat, don't get the HotBrown!
No. Really.




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CBFryman
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Postby CBFryman » Mon Oct 03, 2005 3:44 pm

looks like an older one, but they make a turbo kit for the 2.2 that makes it push over 220whp. and an alcohol injection kit to go with it to give it another 60hp or so. open the exaust up. they can be quick little 4cyl trucks.
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nismo
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Postby nismo » Tue Oct 04, 2005 1:04 am

danssoslow wrote:Hey, was that Memphis,IN? If you stop at the big truckstop on the left to grab a bite to eat, don't get the HotBrown!


Nope...Memphis, TN. 600 miles/8.5 hrs = 70 mph avg...and that was with places that had 55 mph speed limits through em...Oh and it also includes a stop for gas/food :D

For some reason, that poor little squirrel under the hood doesn't like to have its nuts in a vice (3750 rpm for 8 hours straight minus a 10 minute break in the middle). The motor starts misbehaving cuz it needs the oil changed after that abuse. Mwahahahaha!

Eric
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josh99ta
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Postby josh99ta » Tue Oct 04, 2005 1:39 pm

Well you did good by building a home made ram air kit to take the air from that area. If it's taking the air coming in right through the grill thats good. If it's taking the air right in front of the radiator, thats good too (most pressure, and seperate from the engine bay's heat). Ram air kits will not show up on the dyno though over a typical cold air kit, but if you went from stock to ram air it should help a little bit provided it's a smooth intake path. The taller tires are going to kill more than you think, so I'd say you're maybe 10whp over stock, 15whp at most. But getting the air in and back out is the name of the game if you're concerned with fuel economy, so you're on the right track.
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nismo
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Postby nismo » Wed Oct 05, 2005 9:55 am

Josh, I moved the radiator over about 4", and cut the core support on both sides so I don't lose airflow. That allows me to have the same surface area feeding my airbox as what I have surface area of filter, and I'm still gaining surface area (and smoothing airflow) for the radiator. :)

Eric

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