what type of fuel do you use for a 1999 slt 1500 v8 magnum pick up"?having alot of engine rattling ,pinging or something,been putting in 87 octane.


Asked by Apr 30, 2013 at 12:23 AM about the 1999 Dodge Ram 1500 2 Dr Laramie SLT 4WD Extended Cab LB

Question type: Maintenance & Repair

i just bought this 1999 dodge 4 by 4 v8 magnum slt and i have been using 87 octane fuel,
I have been hearing alot of knocking /rattling/pinging only during acceleration.idles good
and does not do it when i am easy on the gas but the moment i hit it i here the rattling
noise like a bolt is loose or something. a mechanic said heads maybe another said lower
rods and all said what type of gas do you use ??????????help!!!!!!!!!!!!!!!!!!

4 Answers


Buy a higher octane rating gas if it's pinging on 87. Try buying the next higher grade until it stops all the noise.

2 out of 2 people think this is helpful.
Tom Demyan

right, 87 is recommended, maybe you have carbon build up, a vacuum leak. The rattling noise might be a heat shield on your exhaust.

2 out of 2 people think this is helpful.
Bill Clark

alot of times your timeing could be off have that checked and make sure it is timed right. That alone will cause pinging. I have the same truck and from day one I run 89 octane and I have no problems. Good Luck!!!!!!

Vlad Dubinsky

I got same truck its drive me absolute insane butt i only good 93 i feel like drive mercedes i would like find answers how can i drop on 87 please help me

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