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Thank you. The new idler pulley I purchased are UPR and they have an Allen key type bolt. Should I use it or the old bolts

Hi I am a orig owner of a 03 cobra convertible. I am in the process of changing the SC idler pulleys. I am having a hard time removing the bolt. Any suggestions? Also I am installing UPR pulleys and one use these before. The bolt they use is a Allen key type bolt

Thank you all much appreciate all your help

do i have to remove the fan and its only 3 bolts

how hard is it to access

Cobra Bob Thank you. Question since I am changing the SC Idler pulleys should I also Change the accessory belt and pulleys ? 77,000 miles no hard pulls ( for years my daily )

OK

and

One last question for a stock pulley no upgrade what size should I gap

can you double up the feeler gauge to get the gap size https://www.svtperformance.com/threads/ngk-tr6-out-of-box-gap-size.1093510/

What would the gap be ? Also what is the torque on that.

Hi I need advice on Spake Plug. I am the orig owner of a mostly stock 03 cobra. What plugs should I use and most important what is the gap size. Thanks

One last question I am looking at a UPR double pulley any good.

A few questions. What is the size now of my orig Eaton pulley ? Should the pulley for the Eaton spin freely since it feels a little tight. Also what manufacturer should I go with for the pulleys, A friend recommended VPM Can I tune the car myself and until I get the tune can I drive the car...

Hi On the original owner of a 03 cobra convertible pretty much stock except for a new throttlebody. I just found out that I need a new belt tensioner pulley. Since I’m replacing that pulley, should I replace any other pulleys if they look good and also should I go with a slightly smaller...

Ok thank you

Yes I did

Yes the code was a p308

I just changed the plugs. And swapped the CP. I would say 100 miles. Also I changed the throttlebody with a Accufab Oval Throttle Body & Power Inlet Plenum Combo . Did I have to tune when I did that.

Hi I swapped it out as you said nothing changed once cleared it takes a while for the code to pop on. The car is basically stock expect for a cold air intake . Car does run smooth I didn’t know you can tune these cars. Is it a flash tune ? Oh did I need to tune the car after I did the cold...

Hi All I need some advise. I am an orig owner of a 2003 cobra. I recently had the P 308 light come on. I had a friend and check it out and looking at the diagnostic tool that plugs in. He said it was too much fuel going into my cylinder eight. Question with this make a misfire also, how...

The Coils i had for a while ford coils. I did the plugs I think 34 cap. car sat for a while.

Hi I am very frustrated by my p308 code Mostly stock 03 cobra orig owner 77k miles mostly highway mileage. Didn't beat on it New plugs CP not that old. moved CP over still same code. No white smoke dos not run rough. Need advise please

Thank you

Ok thank you