more power 403ci help

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Old Apr 7, 2010 | 03:28 PM
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wizzy01's Avatar
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more power 403ci help

hey wassup yall. i need to know what can i add to my car to give it more power?
its going to be pulling 6-700 pounds extra, what can i add to the car without hurting my smog emiss, and without having to rebuild my engine, while pulling that 6-700 pounds extra, my accel was not the same... pls help all info will be needed thanks
Old Apr 7, 2010 | 03:42 PM
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olds425's Avatar
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Better heads, cam and exhaust usually wakes up any motor in my experience.
Old Apr 7, 2010 | 05:29 PM
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If that is your car, I would imagine you have a 2.41, or 2.53 axle gearing at best.
Going to a 3.23 gear would be the 1st thing to do before anything else.
THEN, I would do the exhaust, heads, and cam.
Do the gears first.
It will have NO effect on emissions, and it will amaze you how much more pep it will have.
Jim
Old Apr 7, 2010 | 07:36 PM
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alrite, get my rear end rebuild to 3.23 gear ratio. when you say exhaust what should be done? like dual exhaust or flows?
Old Apr 8, 2010 | 07:09 AM
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You really did not state what kind of driving, nor the transmission that is in the car.
I made a rash assumption that you would be driving it on the highway, and you do not have an overdrive. If you have an overdrive, you may want to go with a 3.73 gear.

True dual exhaust, with free flowing mufflers.

600-700 extra pounds?
Is that like 300 kilo's?
Wassup yall?
Are you taking the car from Houston to Florida in the near future?
Old Apr 8, 2010 | 02:58 PM
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Originally Posted by Warhead
You really did not state what kind of driving, nor the transmission that is in the car.
I made a rash assumption that you would be driving it on the highway, and you do not have an overdrive. If you have an overdrive, you may want to go with a 3.73 gear.
well the driving, its just my accel is not the same kind of hard to explain over the web. but i have a 350 turbo trans..dont have overdrive

Originally Posted by Warhead
True dual exhaust, with free flowing mufflers.
so you mean flow masters right?

Originally Posted by Warhead
600-700 extra pounds?
meaning i was going to put some BIG rims on there 26"s

Originally Posted by Warhead
Is that like 300 kilo's?
never thought deep like that..lol


Originally Posted by Warhead
Are you taking the car from Houston to Florida in the near future?
naw too far california..lol



one more thing where can i find parts for my rear end on the net?

Last edited by wizzy01; Apr 8, 2010 at 03:08 PM.
Old Apr 8, 2010 | 03:07 PM
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Just google "olds 403 Specs" and the first hit is 442.com , It will bring you to a page with everything you need to know for your build.
Old Apr 8, 2010 | 03:09 PM
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PS it is "Whats up you all" I cant find wazup yall in the dictionary.
Old Apr 8, 2010 | 03:46 PM
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380 Racer's Avatar
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Originally Posted by Warhead
You really did not state what kind of driving, nor the transmission that is in the car.
I made a rash assumption that you would be driving it on the highway, and you do not have an overdrive. If you have an overdrive, you may want to go with a 3.73 gear.

True dual exhaust, with free flowing mufflers.

600-700 extra pounds?
Is that like 300 kilo's?
Wassup yall?
Are you taking the car from Houston to Florida in the near future?
Now THAT'S funny Jim!!!!
Old Apr 8, 2010 | 05:02 PM
  #10  
wizzy01's Avatar
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well if it's that serious, what's up you all? i thought this was a oldsmobile classic car help forum, not a dictionary or english class..i been here longer then most. It's called text typing FYI (for Your Information)
Old Apr 8, 2010 | 06:10 PM
  #11  
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Send a note to Brian Trick, or Monzaz. They will help you identify what you have, and get you the parts you will need to do the axle. You will probably have to get someone local for installation of the gears. In fact someone local (many 4wd shops for example), may have the parts, and service needed to do the install.

Expect a little ribbing if you speak in slang, here.
Es ist alles gute.
Jim

Last edited by Warhead; Apr 8, 2010 at 06:17 PM.
Old Apr 8, 2010 | 09:45 PM
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lol, no problem guys i love this oldsmobile site and love the help. Like i said all info will be needed
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