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Old 11-03-2014, 10:51 PM   #11 (permalink)
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Quote:
Originally Posted by Jshaw1992 View Post
I want more horsepower and top speed along with decent gas mileage
The closest thing Ive done to this is power steering delete.
On sohc engines you can disable the p/s by replacing the smooth idler pulley with a grooved one, and getting a non p/s belt. The resistance from pushing/ circulating the fluid on our cars is almost nothing, I drove mine like that for 9months or so before I ended up putting in a manual gear for the higher reduction ratio

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Old 11-04-2014, 10:04 AM   #12 (permalink)
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Speed or economy. Choose.

The vast majority of the time you will simply be motoring around town. 95% of the time you won't need speed, and the greater economy will be money in your pocket.

That other 5% of the time when you want higher top speed, you will be driving a Saturn. And then you will be back to enjoying your greater economy.
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Old 11-05-2014, 10:44 AM   #13 (permalink)
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DOHC swap. 24 more HP and minimal (depending on driving habits) MPG loss. Otherwise there is really nothing that can be done with a SOHC.

Honestly, if you wanted power and speed you got the wrong car.

Also, check your oil frequently.
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Old 11-09-2014, 04:50 PM   #14 (permalink)
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Quote:
Originally Posted by Jshaw1992 View Post
Hello all I'm new to this forum I have a 1999 Saturn SL1 it's awesome I just want to put some mods in to increase performance yet keep my gas mileage I want to put a ram air in and a new body kit on any other mods you guys recommend?

I beg to differ with the nay-sayers, and say you CAN have it all!
I designed so many cylinder head/intake manifold/cam combos that made Lots More HP and better MPG (at part throttle) that prove it is possible. However, the newer engines have reduced some of the sloppy parameters that reduced efficiency, so these days ECM tuning is almost always needed if you start doing things to increase BSFC. The goals you seek are possible, but would require internal engine rework, which is not cheap. You could get a small HP increase with external things, but your platform would need substantial trial and error to achieve this. The ScanGaugeII is a great starting point!

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