engine noise

jivepepper · July 31st, 2007, 06:34 AM

I bet it's pre detonation. Try high test for a little while. Is doing it only when your accelerating? I think it sounds like rocks or marbles in a tin can.

DCstangGT · July 31st, 2007, 01:03 PM

lol i just got this motor cuz a rod bearing went bad in my last one and ive been running good oil in this one and done everything good so i dont see how when it only has 18k that it could be bad since ive had it for about 2 months.

DCstangGT · July 31st, 2007, 01:05 PM

well when i was at the track and it was doing it i was using high octane. and it still does it now and im using 87

04GTAMPA · July 31st, 2007, 01:07 PM

Why would you change the motor just cuz of a bearing? Couldn't repair it?

DCstangGT · July 31st, 2007, 01:11 PM

the price of the rebuild was quoted $2500. a used 15k mile motor i got for 2550 and my old motor had 65k on it. if i had the money i would rebuild it a and forge everying thing but i dont. i dont understand how i could possibly already be having trouble with another motor when i dont do anything different than other people.

gills99stang · July 31st, 2007, 07:10 PM

Originally Posted by DCstangGT

the price of the rebuild was quoted $2500. a used 15k mile motor i got for 2550 and my old motor had 65k on it. if i had the money i would rebuild it a and forge everying thing but i dont. i dont understand how i could possibly already be having trouble with another motor when i dont do anything different than other people.

Dude, I would have gone with the rebuild. Then you would have had 0 miles on it, compared to 15k.

July 31st, 2007, 06:34 AM	#21
jivepepper I Post Entirely Way Too Much Join Date: Mar 2006 Location: Under a sombrero Posts: 5,025 iTrader: 1 reviews	I bet it's pre detonation. Try high test for a little while. Is doing it only when your accelerating? I think it sounds like rocks or marbles in a tin can. __________________ 665/541 WHP/WTQ 4.6L SOHC 2V ON 93 OCTANE PUMP GAS. NO METH INJ., NO E85, NO RACE GAS, N2O BABY BOTTLES! TRAP=POWER: 11.01 @135, IN SUMMER HEAT, 1350' TRACK, 315/35/17 DR'S

July 31st, 2007, 01:07 PM	#24
04GTAMPA Hardcore Enthusiast 2001 Mustang SVT Cobra Join Date: Apr 2007 Location: Riverview, FL Posts: 2,742 iTrader: 1 reviews	Why would you change the motor just cuz of a bearing? Couldn't repair it? __________________ Slow, really slow Cobra. Wanna see? MM Cobra Club Member #81 "TAMPA BAY AREA CREW"

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July 31st, 2007, 01:03 PM	#22
DCstangGT Regular 1999 Mustang GT 13.21@104.5 Join Date: Aug 2006 Location: Washington Posts: 237 iTrader: 0 reviews	lol i just got this motor cuz a rod bearing went bad in my last one and ive been running good oil in this one and done everything good so i dont see how when it only has 18k that it could be bad since ive had it for about 2 months.

July 31st, 2007, 01:05 PM	#23
DCstangGT Regular 1999 Mustang GT 13.21@104.5 Join Date: Aug 2006 Location: Washington Posts: 237 iTrader: 0 reviews	well when i was at the track and it was doing it i was using high octane. and it still does it now and im using 87

July 31st, 2007, 01:11 PM	#25
DCstangGT Regular 1999 Mustang GT 13.21@104.5 Join Date: Aug 2006 Location: Washington Posts: 237 iTrader: 0 reviews	the price of the rebuild was quoted $2500. a used 15k mile motor i got for 2550 and my old motor had 65k on it. if i had the money i would rebuild it a and forge everying thing but i dont. i dont understand how i could possibly already be having trouble with another motor when i dont do anything different than other people.

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