whats the best spark plug to run in a 1999 Pontiac firebird trans am 5.7

Asked by Dec 21, 2014 at 12:30 PM about the 1999 Pontiac Firebird Trans Am

Question type: Maintenance & Repair

which plugs are the best  for the 5.7  LS1 engine regular stock, platinum, or iridium ?

2 Answers

345

I like AC Delco

AC Delco what? regular, platinum, or iridium ?

Your Answer

Pontiac Firebird Experts

  • #1
    Samuel Moore
    Reputation
    1,010
  • #2
    dandyoun
    Reputation
    840
  • #3
    Tom Demyan
    Reputation
    760
View All

Related Models For Sale

Used Chevrolet Camaro
378 Great Deals out of 31,274 listings starting at $3,495
Used Chevrolet Corvette
124 Great Deals out of 16,133 listings starting at $3,995
Used Ford Mustang
344 Great Deals out of 42,035 listings starting at $1,488
Used Ford Mustang SVT Cobra
5 Great Deals out of 263 listings starting at $4,795
Used Dodge Viper
213 listings starting at $30,195
Used Chevrolet Silverado 1500
2,727 Great Deals out of 156,974 listings starting at $1,000
Used Ford F-150
3,017 Great Deals out of 230,432 listings starting at $1,300
Used Jeep Wrangler
366 Great Deals out of 20,461 listings starting at $2,500

Used Cars For Sale

2002 Pontiac Firebird Trans Am For Sale
3 Great Deals out of 36 listings starting at $5,995
2001 Pontiac Firebird Trans Am For Sale
15 listings starting at $6,995
1999 Pontiac Firebird Trans Am For Sale
12 listings starting at $5,800

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.