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Old 11-13-2007, 04:47 AM   #1 (permalink)
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hey everyone, i am new to these forums and i was wondering if there where any ways to get a bit more power outta my Suzuki sierra jx 1.3L?
the car has been in my family since new and is in the best nic one scratch on the bonnet, mum jammed the seat belt in the door and the side of the seat is cut near the lever to adjust the seat.

a mate of mine owns one to but it is a lil older than mine in in worse nic me and him are gonna do some 4x4 when i get my liscence in 18 days and his a 1L with a 2inch exhaust.

so if anyone knows any ways i can get more power outta my Suzuki keeping the price to a minimal please let me know. i was thinking of putting a bigger carby on, extractors and a exhaust job but that would be a lil costly.
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Old 12-02-2007, 03:59 PM   #2 (permalink)
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The MYSide carburator conversion is said to vastly improve throttle response in the 1.3L, as does the MYFI system. The first is a conversion using the excellent Harley Davidson motorcycle carb, while the second uses components of the Volkswagon fuel injection system. Both systems are manufactured by ZOR.

A good set of exhaust headers, such as the Doug Thorley Tri-Y, coupled via 2" tube to a decent high-flow muffler will help somewhat. Nothing reasonable will give great gains... around here the popular move is to swap out the 1.3L with an 8 valve 1.6L.

Good luck!
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Old 12-11-2007, 01:31 AM   #3 (permalink)
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I just installed the Doug Thorley Header and Weber carb (32/36 Progressive) on my 87 samy and it was such an improvement that I cant even believe it is that same vehicle. The biggest notice was the torque on the bottom end. Also now I don't have to floor it to do highway speeds. Other things to replace are the spark plugs, spark plug wires, ignition coil, and air filter.

Every little bit helps.
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Old 01-11-2008, 04:08 PM   #4 (permalink)
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I have the Thorely headers as well. Here in California they are the only way to go since they are the only ones that will pass emission testing. I also have a set of twin dual mikuni side draft constant velocity carburators. My gas mileage isn't very good, but I get increadible low end torque and can drive 85 on the freeway with my 32" tires. Before I did the carb and headers I couldn't even get out of 4th gear most of the time. If you're running the stock wheels, you can get away with just a set of headders and the 2 barrel downdraft holley.

Running my set up gives me almost 100HP... don't laugh, its like 80% over stock. The problem when you start over feeding your engine though is you're going to wear it out a lot faster.
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