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 Post subject: Need ideas for mods!
PostPosted: Thu Apr 04, 2013 9:34 pm 
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Joined: Sat Feb 02, 2013 11:30 am
Posts: 26
Year and Trim: 2001 Pontiac Bonneville SLE
Ive almost finished with my 01 sle project. As far as new AC delco fuel and ignition systems. ive also replaced most of the suspension, brakes, maf,etc. I still need to do the uim and lim gaskets and then im ready for some mods.
So, Im looking and asking around and im wanting to get all the hp i can from this n/a 3800.

Examples of what ive heard and seen on here listed below:

-downpipe with high flo cat
-have the intake ported
-cold air intake

Is there anything esle I can do? Is there anything I shouldnt do? would anyone recommend a performance chip? Feedback appreciated! thx.

On a quick note, does anyone kno the part # for the aluminum LIM gaskets or where I can order them from?


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 Post subject: Re: Need ideas for mods!
PostPosted: Sun Apr 07, 2013 4:43 pm 
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Joined: Mon Dec 17, 2012 11:17 pm
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Location: Farmingdale NY
Year and Trim: 2001 SLE
Bump I need the gaskets

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 Post subject: Re: Need ideas for mods!
PostPosted: Sun Apr 07, 2013 9:42 pm 
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Year and Trim: 2001 Pontiac Bonneville SLE
Ive been informed that this is the ac delco part# 87017816 lim gasket set.
Still would like to kno some mods for hp gain. I kno i cant get a lot. Just wanting to get the most out of it.


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 Post subject: Re: Need ideas for mods!
PostPosted: Sun Apr 07, 2013 11:16 pm 
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Joined: Thu May 22, 2008 3:53 pm
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Location: Farmington Hills, Michigan
Year and Trim: 99 Regal GS
A couple things you can do:
HV3 insert: http://shop.zzperformance.com/store/p/9 ... nsert.aspx
Power log to replace the front exhaust manifold: http://shop.zzperformance.com/store/p/9 ... r-Log.aspx
maybe even a 3" downpipe too, though it's probably unnecessary for NA.
You can also get a higher performance cam if you're really willing to put money into it, otherwise there's extended ratio rockers: http://shop.zzperformance.com/store/p/2 ... ckers.aspx
And if I were you and were pulling off the lower intake manifold, I would also port the lower intake manifold. You'll notice right away once you pull it off that it is not the smoothest flowing piece on the engine. It's a cheap mod where you will definitely notice it after you've done it.

You might be able to find a lot of these things cheaper used, however if you're looking to go a lot faster then I would just do a topswap.

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2009 Chevy Silverado 2500HD crew cab, 6.0, Z71. The project mover.
1999 Buick Regal GS 3.4" pulley,SLP headers, fwi, pnp, gemini chain w/ other trans mods, 12" brakes, GR2's, STB's, 34mm front sway bar; The Summer DD
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 Post subject: Re: Need ideas for mods!
PostPosted: Mon Apr 08, 2013 10:16 am 
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Joined: Mon May 10, 2010 6:11 pm
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Location: Chicago, IL
Year and Trim: 2003 SLE
You will want to find a 2.5 inch down pipe if you can. A 3 inch will make you lose some low end torque.

I can't reiterate this enough: PORT YOUR LOWER INTAKE. ;D You will love it.

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 Post subject: Re: Need ideas for mods!
PostPosted: Mon Apr 08, 2013 3:10 pm 
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Joined: Sun Feb 10, 2013 12:56 pm
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Location: Winona, MN
Year and Trim: 2003 SLE
http://intense-racing.com/Merchant2/mer ... e=3800_HCV

^ iv heard the zzp rockers are a junk.

X2 on the 2.5 down pipe. if your going to be that deep in there doing lim gaskets a cam and some intake porting would be nice.... at least a gasket match. those things are disgustingly made.

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 Post subject: Re: Need ideas for mods!
PostPosted: Sun Apr 21, 2013 10:11 pm 
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Joined: Thu May 22, 2008 11:14 pm
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Location: Racine, Wisconsin
Year and Trim: 97.2 40th SLE
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Are the rockers really worth the money? Do they give you the gains that they claim to?

And which ratio is preferred? Is tuning needed?

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 Post subject: Re: Need ideas for mods!
PostPosted: Sun Apr 21, 2013 10:47 pm 
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For all L36 model cars, the 1.8 ratio ZZP ER rocker has been proven to make the most power constantly. If you want a roller rocker, 1.8 is the ratio you want for a N/A car. If you're supercharged, 1.9 is the optimum ratio.

Also, lots of good info in this thread :)

http://www.pontiacbonnevilleclub.com/forum/performance-brainstorming/topic25655.html

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 Post subject: Re: Need ideas for mods!
PostPosted: Mon Apr 22, 2013 12:34 am 
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Joined: Thu May 22, 2008 3:53 pm
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Location: Farmington Hills, Michigan
Year and Trim: 99 Regal GS
ZZP ER rockers are actually sized differently between exhaust and intake valves. IIRC intake was 1.8 and exhaust was 1.84. 1.8 ratio will be an improvement, but ZZP's mix of ratios is slightly better.

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2009 Chevy Silverado 2500HD crew cab, 6.0, Z71. The project mover.
1999 Buick Regal GS 3.4" pulley,SLP headers, fwi, pnp, gemini chain w/ other trans mods, 12" brakes, GR2's, STB's, 34mm front sway bar; The Summer DD
1982 Pontiac Grand Prix L36 and an hx35 turbo; It's pretty quick Mod list here


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