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i wanna make my 98 SSEi Bonneville faster

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Old 08-10-2011, 12:24 PM
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so like the title says i have a 1998 Bonneville SSEi and im looking for ways to make it faster please be thorough
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Old 08-10-2011, 12:44 PM
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How much money do you want to spend?
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Old 08-10-2011, 12:46 PM
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umm proble between like 0-1800
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Old 08-10-2011, 12:55 PM
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If you are going to start modding, you need a scanner that will read knock retard. A basic first step is a smaller diameter pulley on the supercharger, along with a cold air intake and headers. Then, you will need a tune to support the mods.

Read each of the sections in the performance section of the GM General Tech Info area of this forum.
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Old 08-10-2011, 01:00 PM
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okay but what diameter am i at now and what should i go too and do i need to do anything special after the smaller diameter and where do i get a scanner like that and do you know any good tunning companys
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Old 08-10-2011, 01:50 PM
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You are at 3.8" and can safely go to 3.5". As I said, you will also want to install a cold air intake and headers to support the higher flow rates. There are guys on this forum who can tune for you.
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Old 08-11-2011, 12:37 AM
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Do some serious research here. Tune up and maintaince first the various will thank you.
fwi, 3in dp, 3.5 mps hiflo cat plog. That should be a good start
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Old 08-11-2011, 08:06 AM
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Start by reading this guide. https://www.gmforum.com/performance-brainstorming-tuning-96/what-order-should-i-mod-my-engine-278662/

Where are you located? You can get some modding done, but will then need a tune. Speed daddy headers are a good low price option for headers. As stated, no smaller then a 3.5" pulley until your scanning for KR. A simple shift kit will also do wonders.
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Old 08-11-2011, 01:47 PM
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i am located in st louis! and it is an automatic do i still get the shift kit??? and what are some good affordable cold air intakes???
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Old 08-11-2011, 01:51 PM
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th eonly headers on that site i could find were for a grand prix would this work for my 98 bonneville
http://speed-daddy.com/index.php/exh...x-3-8l-v6.html
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