T O P I C R E V I E W
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johnson50
Member # 4608
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posted
is there any other thing i have to do if i change from the stock supercharger(only) pulley to like a 2.93 or lower? thanks
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TRIXSNK
Member # 2844
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posted
On my old Cobra i added a 100mm aux idler to prevent slip but i had a 2.76 pulley.
I went with a gates 74.5 belt as well.
Oh ya a tune might be a good idea as they say a 3.10 should be the smallest w/o a tune.
Either way gotta get that A/F checked after
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91 5.0 5speed
Member # 1867
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posted
quote: Originally posted by johnson50: is there any other thing i have to do if i change from the stock supercharger(only) pulley to like a 2.93 or lower? thanks
What color is your Cobra? is it red?
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03SVT
Member # 5987
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posted
If you need the pulley removal tool I will let you borrow it PM if you need help I am glad to as long as you have the tools.
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johnson50
Member # 4608
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posted
I have a black 03. and TRIXSNK, when you say A/F, you mean air/fuel mixture right? lets say i put a 2.95 pulley on and no other idle, etc. will i mess something up or no. and will i need another size belt for a 2.95?
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johnson50
Member # 4608
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posted
and thanks 03SVT but i have the pulley puller covered.
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91 5.0 5speed
Member # 1867
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posted
quote: Originally posted by johnson50: I have a black 03. and TRIXSNK, when you say A/F, you mean air/fuel mixture right? lets say i put a 2.95 pulley on and no other idle, etc. will i mess something up or no. and will i need another size belt for a 2.95?
For best results and to possibly save your motor get a tune when you do the pulley swap. You will also need a different size belt. I think I may have seen your car at 7 flags in Fairfield. You reved at my Cobra while I was at the car wash. I have a redfire 04 if that was you. I think you need a gates 74.5 belt but I could be wrong. I will check to see what is on my car and let you know
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johnson50
Member # 4608
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posted
i may have been that person on north texas. but i forget. i do live around that area. anyone know the number to JeffS of santa clara.
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Jeff S
Member # 371
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posted
quote: Originally posted by johnson50: i may have been that person on north texas. but i forget. i do live around that area. anyone know the number to JeffS of santa clara.
408-623-2373
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johnson50
Member # 4608
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posted
thanks for the # and does anyone know the stock supercharger pulley size on a 03.
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91 5.0 5speed
Member # 1867
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posted
quote: Originally posted by johnson50: thanks for the # and does anyone know the stock supercharger pulley size on a 03.
stok is 3.65
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johnson50
Member # 4608
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posted
thanks and like i read earlier, i can get a 3.10 pulley and dont have to tune it. im just tryin to put the smallest pulley on i could and do nothing else. thanks
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Jeff S
Member # 371
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posted
quote: Originally posted by johnson50: thanks and like i read earlier, i can get a 3.10 pulley and dont have to tune it. im just tryin to put the smallest pulley on i could and do nothing else. thanks
Changing the pulley to ANY size without a tune is a VERY bad idea and not give anywere close to optimal performance and safety.
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TRIXSNK
Member # 2844
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posted
quote: Originally posted by Jeff S: quote: Originally posted by johnson50: thanks and like i read earlier, i can get a 3.10 pulley and dont have to tune it. im just tryin to put the smallest pulley on i could and do nothing else. thanks
Changing the pulley to ANY size without a tune is a VERY bad idea and not give anywere close to optimal performance and safety.
Sorry i should have clarified to not lead anyone in the wrong direction .
When i said "they" i meant what others have tried not saying you should attempt the same.
Just like Jeff said with any pulley change it's imperative to get it on a dyno, tuned, and that will usually come with the A/F ratio.
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