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

315

I like AC Delco

AC Delco what? regular, platinum, or iridium ?

Your Answer

Add photo

Related Questions

  • 5.7 won't stay running 5 answers

    97 Firebird, ran great when purchased, now, won't run konger than 5 min before stalling and wont restart. All sensors, and modules were replaced, even the optispark. Some replaced twice. Any guess...

    1997 Pontiac Firebird Trans Am

    -

    Maintenance & Repair

  • 2002 Pontiac Firebird Transam Ram air 5.7 Engine 3 answers

    I went through a fairly up to my doors water puddle and my engine began to knock and miss all at the same time. It sounds to me as if I blew a rod or could water have intered the compression chamber?

    2002 Pontiac Firebird Trans Am

    -

    Maintenance & Repair

  • Firebird '94 engine problems 12 answers

    I was driving and suddently the engine stopped. Tried to start, but it only runs for couple of seconds before falling out again and lot of power lost. I drove it in high RPM, while bangs came out of m...

    1994 Pontiac Firebird Base

    -

    Maintenance & Repair

  • Running rich 7 answers

    My 95 trans am 5.7 lt1. I got check engine light so I popped the hood and touched the maf sensor wire connector the car shut off. I reapeted it by starting it up and touching it and it died again ...

    1995 Pontiac Firebird Trans Am

    -

    Maintenance & Repair

  • Got a code 26 on my 93 firebird trans am it is the evap it is always runnin and causein car to run bad how do I fix 16 answers

    1993 Pontiac Firebird Trans Am

    -

    General

Search Pontiac Firebird Questions

Pontiac Firebird Experts

#1 Samuel Moore
Samuel Moore
Reputation 930
#2 dandyoun
dandyoun
Reputation 780
#3 John Saffrahn
John Saffrahn
Reputation 700
View All

Related Models For Sale

Used Chevrolet Camaro
153 Great Deals out of 32,676 listings starting at $1,995
Used Ford Mustang
364 Great Deals out of 46,830 listings starting at $1,999
Used Chevrolet Corvette
95 Great Deals out of 20,202 listings starting at $3,495
Used Ford Mustang SVT Cobra
271 listings starting at $6,335
Used Chevrolet Monte Carlo
14 Great Deals out of 1,396 listings starting at $1,995
Used Pontiac Grand Prix
21 Great Deals out of 2,860 listings starting at $1,995
Used Chevrolet Silverado 1500
1,730 Great Deals out of 167,270 listings starting at $1,800
Used Chevrolet Impala
515 Great Deals out of 29,109 listings starting at $1,100
Used Ford F-150
2,213 Great Deals out of 208,669 listings starting at $1,499

Used Cars For Sale

2002 Pontiac Firebird Trans Am For Sale
37 listings starting at $5,444
2001 Pontiac Firebird Trans Am For Sale
24 listings starting at $6,999
2000 Pontiac Firebird Trans Am For Sale
18 listings starting at $2,500
1999 Pontiac Firebird Trans Am For Sale
18 listings starting at $6,995