What are the best sprak plugs that my money can buy to use with my NOS 05151 nitrous kit? I also use this car as a daily driver.(didnt know if that made a difference) I know im not supposed to use platinum.
thanks

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*1989 RS
*Red, Daytona Turbo fiberglass hood, chrome 16x8 IROC wheels
*355 CID
*TPI ported plenum, SLP siamesed runners, Edelbrock high flow intake
*Edelbrock TES Headers (getting SLP 1 3/4 this summer)
*Richmond 3.73, Auburn Posi
*Modded 700-R4, 2800 stall converter
*NO recent time slips.

 

It depends on what you want to spend. There is a plug called the Silverstone from Nology Engineering that have solid silver cores. (Silver is one of the best head conductors) They are about $10 apiece. If you don't want to go that route, then just buy a reliable-brand, cool running plug with a single (normal) electrode. Depending on how your N2O is jetted, it may help to radius the tip of the electrode. Hope this helps.

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'89 Firebird Formula 350
L98, WS6, Red/grey, t-tops, and a 3.27:1 rear
K&N, TB bypass, no MAF screens, CAI, full Accel ignition, no cats, Hooker Supercomp shorties, Hooker 3-inch catback
ET? 14.8 @ 93mph
Also own '83 Firebird 2.8 2bbl. 155K miles.
ET? Break out the calendar!

 

I use delco fr3ls plugs. I am wondering if there is a better plug also. Mine work fine though.

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1991 Firebird
350 L98 (was a 305 TBI),T-5,Edelbrock TES and cat back,Accel manifold
NOS,subframes,jegster torque arm,MSD Digital 6
AFPR,Lakewood lcas
Hurst linelock,SLP cam (206 212 .480 .486),relocated battery,cold air,Hypertech chip,centerforce df,clutch
poly bushings and mounts
AFR 190s
Harland sharp 1.5 rockers
autopower rollbar

12.33 @ 114.83 juiced uncorrected

13.510 @ 102 non juiced uncorrected

 

Cobrakiller, If you're still using stock heads I would use AC Delco R42t plugs.

Gofaster, If you ever need or want to try a colder plug but can't find fr2ls or fr1ls you can usually find their autolite equivalents 3923, and 3922.

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Tracy /AKA IROCKZ4me
'86 IROC-Z Camaro
"Cogito ergo zoom"

• 355 cid
• AFR heads
• Arizona Speed & Marine hydraulic roller cam w/ AFR hydra-rev kit
• modified SLP runners
• TRW forged pistons/ceramic coated
• fully balanced
• Edelbrock headers/ceramic coated
• SLP cat-back
• Paxton supercharger
• Nitrous Express nitrous oxide

EFI Performance Club on Yahoo

 

thanks.