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275s in the rear??

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Old 05-25-2012, 09:15 PM   #1
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Default 275s in the rear??

So the ls1 4th gen Camaro really comes with 275s in the rear for stock tires is that true????
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Old 05-25-2012, 09:18 PM   #2
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the SS does, its a 17 inch wheel with 275s, the Z28 comes with 16 inch wheels
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Old 05-25-2012, 09:19 PM   #3
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But does the z28 come with 275s as well?
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Old 05-25-2012, 09:19 PM   #4
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SS's, Firehawks and WS6's had 275's all around, Z28's, base T/A's and Formula's had 245's.
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Old 05-25-2012, 09:26 PM   #5
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Okay thanks so the ss's firehawks and ws6's had 325 hp stock and the z28's and 310 hp stock right?
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Old 05-25-2012, 09:30 PM   #6
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No, they are all underrated. All LS1 cars are in the 345-350 crank horsepower ballpark stock, give or take a few for the SS's, WS6's and Firehawks.
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Old 05-25-2012, 09:39 PM   #7
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Oh what for reals i was told the ss' had 325 and the z28's had 310 that's why they have different tire sizes cause different hp but yea?
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Old 05-25-2012, 09:43 PM   #8
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No, the wider tires are really for handling purposes
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Old 05-25-2012, 09:51 PM   #9
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Quote:
Originally Posted by Alberto v05 View Post
Oh what for reals i was told the ss' had 325 and the z28's had 310 that's why they have different tire sizes cause different hp but yea?
mine came with an slp cat back which and it was rated at 7 hp more.


for reals.
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Old 05-25-2012, 10:23 PM   #10
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GM claimed that the "ram air" added 15 HP but it is basically just an appearance mod, and doesn't help unless your going in excess of 100+MPH. Although there were other options available on the SS and Firehawks such as SLP exhaust or a aftermarket lid that made up some of the higher HP packages offered.
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Old 05-26-2012, 06:42 AM   #11
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The SS/z28 are the same minus the hood/spoiler and a few extra things from slp like minor suspension upgrades.
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Old 05-27-2012, 05:02 PM   #12
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I believe the stock size for the non-SS/WS6 cars was 245/50/16 all around, on a 16 x 8 wheels.

Like said above, the SS or WS6/Firehawk cars came with 275/45/17 all around, on a 17x9" wheel.

LOL, I remember when I ordered a 275/45/17 after ruining a front tire with a sidewall puncture and had it deleivered to work. One of the import guys saw it, and was like "Damn, your car has some wide rear tires!!". I said, "Actually, this is one of the fronts". His jaw damn near hit the floor...it was priceless.
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Old 05-27-2012, 09:32 PM   #13
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Ive got ss wheels on my z28 and have 275/45ZR17 on em all around. Love the way they feel and handle and yeah i agree the ram air really doesnt help hp any. I mean you have to think its like sayin an ss adds hp but unless its a 97 ss then the hood scoop isnt even functional its justt looks
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Old 05-29-2012, 02:18 AM   #14
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Stock tire size on base ls1 cars is dependant on the speed limiter. Some were produced with a 108 mph speed limiter, and came with 235 55 16's. The cars with 162 mph limiters had 245 50's.

For reals...
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Old 05-30-2012, 11:06 AM   #15
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Quote:
Originally Posted by bww3588 View Post
Stock tire size on base ls1 cars is dependant on the speed limiter. Some were produced with a 108 mph speed limiter, and came with 235 55 16's. The cars with 162 mph limiters had 245 50's.
Are you sure about the limiter thing? I'm trying to find the faq but I don't remember LS1 cars having a 108 limiter.

I see tons of numbers... 108/115/120 (which is it? lol) for 2.73 geared autos with 235s (non z rated)... still digging.
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Old 05-30-2012, 01:19 PM   #16
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Ive never heard of an ls1 with a 108 limiter my 02 v6 firebird didnt even have a limiter that low. The size of the tire was a factory option. My 98 trans am when i was looking for tires it had two options the basline was the 235 and 255 was part of the performance package option. My trans am was completely factory and had the 235s on it from the factory and it didnt top out until the needle was buried so i doubt the limiter has anything to do with it and i highly doubt they ever put a 108 limiter on an ls1
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Old 05-30-2012, 01:35 PM   #17
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My alero speed limits at 112! no way they limit a LS1 that low... my LS1, had the speedo buried and still never found when it stops factory 3:23 and 275's, i think mine is broke anyway, one guy told me he would race me and beat me with his dodge dakota R/T, he claimed the LS1 was limited at 130mph i told him i needed a winter beater anyway so lets race... he never did.

for reals.
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Old 05-30-2012, 01:41 PM   #18
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Yeah i forgot to mention the ss and ws6 with the 17" wheel option and have 275 from the factory. Shoulve remembbbered that considering i have ss wheels on my car
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Old 05-30-2012, 01:50 PM   #19
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Quote:
Originally Posted by US_Army_Z28 View Post
Ive got ss wheels on my z28 and have 275/45ZR17 on em all around. Love the way they feel and handle and yeah i agree the ram air really doesnt help hp any. I mean you have to think its like sayin an ss adds hp but unless its a 97 ss then the hood scoop isnt even functional its justt looks
The ram air hoods on the 98+ are just as functional, if not more. They force air into our lids which at 85 mph or so almost acts like a FI car......if you consider like 1 psi a FI car....haha.

Also yes some ls1's came with factory v6 sized tires, "235's" and were limited. I forget the mph they were limited at but... That is true.
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Old 05-30-2012, 02:02 PM   #20
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Well i read up on how they work and yea they may work a little and but i highly doubt they are more functional than the 97 ss was considering the air box and filter were directly underneath the scoop. But on the cars with v6 tires they still werent limited low. I had mine up to 150 and is was all factory with 235s from the factory so the 108 limiter i have to ssay is still completely untrue
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Old 05-30-2012, 02:02 PM
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