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 Performance Upgrades- Are these a good idea?

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98rivgreen
Newbie


Name : Daniel
Joined : 2016-07-14
Post Count : 1
Merit : 0

PostSubject: Performance Upgrades- Are these a good idea?   Thu Jul 14, 2016 12:40 pm

Hey guys, just picked up a 98 riviera and did basic maintenance so far. Plugs, wires, fuel filter, tranny fluid.
I'm looking to add some decent horsepower, as I know these engines are highly customizable. Will my car run safely with these mods?

-ZZP 1.0 PCM
-180° Thermostat
-Autolite 104 Copper Spark plugs
-ZZP 3 in Downpipe
-3.5 Supercharger Pulley
-K&N CAI Intake
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LARRY70GS
Aficionado
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Name : Larry
Age : 60
Location : Oakland Gardens, NY
Joined : 2007-01-23
Post Count : 1485
Merit : 104

PostSubject: Re: Performance Upgrades- Are these a good idea?   Thu Jul 14, 2016 7:23 pm

http://rivperformance.editboard.com/t23-faq-modding-101-how-to-increase-acceleration-performance

The above link answers your question. Here is the bottom line. If the engine detonates, you will crack the pistons and reduce your engine to boat anchor status. You need to be able to monitor for KR and reduce it to 0 if you want to be safe. Yes, you can make your engine faster but you have to take the required precautions.

_________________
98 Riviera SC3800  All stock except gutted air box.
1970 Buick GS455 Stage1, TSP built 470BBB, 602HP/589TQ
Best MPH, 116.06 MPH, Best ET, 11.54
https://www.youtube.com/watch?v=UHCda-t_Jls
https://www.youtube.com/watch?v=sfT2tEO4XcU
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Eldo
Expert
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Name : Mark
Location : West Salem, Oregon... FINALLY
Joined : 2009-04-09
Post Count : 3014
Merit : 100

PostSubject: Re: Performance Upgrades- Are these a good idea?   Sat Jul 23, 2016 6:05 am

Hello Daniel,
While I just love Larry's reply, and I haven't messed with things for a while, I can tell you that everything in my signature has been happy for 5+ years... Having said that, I don't know about tunes from "the other people" 80) Also, my own preference is to just remove the restrictions in our own air boxes rather than go aftermarket. IFIRP, some folks have been drowned by aftermarket intake systems. Oh, and I cannot understand anyone devolving to copper plugs for a daily driver... I just wish the bastards hadn't discontinued the double-tip-platinums that our cars came from the factory with.
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albertj
Guru
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Name :
Location : Finger Lakes of New York State
Joined : 2007-05-31
Post Count : 6643
Merit : 123

PostSubject: Re: Performance Upgrades- Are these a good idea?   Mon Jul 25, 2016 6:16 pm

Eldo wrote:
Hello Daniel,
While I just love Larry's reply, and I haven't messed with things for a while, I can tell you that everything in my signature has been happy for 5+ years...  Having said that, I don't know about tunes from "the other people"  80)  Also, my own preference is to just remove the restrictions in our own air boxes rather than go aftermarket.  IFIRP, some folks have been drowned by aftermarket intake systems.  Oh, and I cannot understand anyone devolving to copper plugs for a daily driver...  I just wish the bastards hadn't discontinued the double-tip-platinums that our cars came from the factory with.

...yeah I would not race Eldo.

As for the plugs, mind the heat range and for a daily driver I've been happy with the factory plugs however I think the Champion 9404 Iridiums I currently use are better. Surprisingly they were made in England.

Albertj
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