Question about 22"s Rims
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Question about 22"s Rims - 3/23/2008 7:38:28 PM
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Stopphn
Posts: 20
Joined: 3/23/2008
Status: offline
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Ok Ladies and Gents, I have a question so hopefully somebody can help me out! I am thinking about putting 22” rims on my 2001 blazer 2 Door and I hear good and bad stories about putting 22” on this truck. The tire size will be 265/35/22 (I plan on buying them from a friend) some of my questions are as followed: 1. when you put 22’s on does that affect your gas mileage and speedometer? 2. Do big rims such as 22’s cause damage to your transmission? 3. What about rubbing, will these tires rub? If anybody can help me with some information I would be very grateful.
Thanks
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RE: Question about 22"s Rims - 3/23/2008 7:56:28 PM
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WolfPack
Posts: 3074
Joined: 10/30/2007
From: Raleigh, NC
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I'm running 265/70/15s on my blazer, and I rub quite a bit. I lifted 1.25'' in the front, 2'' in the back, and trimmed the rear edge of the front fender wells and STILL rub at full lock. A little more trimming on the wheel well itself should fix it.
Also this is probably more so a problem because I've got 4.5'' of backspacing. If you can find a 22'' with the stock back spacing you might be ok, but I think you'll still rub on the frame instead of the fender. Also it's important to note the actual dimensions of the tire. My 265 is actually 10.7'' wide, where as a 31x10.50 is usually something like 10.2'' wide (at least on the Grabber AT2s I researched).
And you will lose some mileage for 2 reasons, 1) the wider tire will yield increased rolling resistance (unless you get a pretty much perfect street tire with less rolling resistance than stock...if that's even possible??) and 2) the 22''s will be heavier. Your speedo will only be affected if you increase overall diameter of the tire...which your 265/35/22s will be.
Not sure about your tranny...I'd guess no though.
_____________________________
2000 Blazer 4d LS 4x4 - 265/70/15 General Grabber AT2s - Hunter Brush Guard - Surco Roof Rack with IPF 868s - 1.5'' Shackle + Tbar - 2'' BL
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RE: Question about 22"s Rims - 3/23/2008 8:28:39 PM
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Stopphn
Posts: 20
Joined: 3/23/2008
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Thanks State, the info. is very helpful! This is the situation. I put the 22's on and the front sticks out more then the front (it not a problem). Any reason why? I have a little rubbing in the front, but I think I can trim that down a bit. The truck ride NICE. I think it better then the stock, but I can tell I heavier rims on. Do you think I should stay with the 265/35/22 or get another tire size?
Thanks
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RE: Question about 22"s Rims - 3/23/2008 8:54:14 PM
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WolfPack
Posts: 3074
Joined: 10/30/2007
From: Raleigh, NC
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I happen to love the 265s. I like the wider tire, I like to wider stance, so I would say stick with the 265s if you like em!! And the wider front than back is normal. I think it's something like 1 1/4'' spacers are needed in the back to make the stance the same on both axles, but don't buy a spacer off of that..I'm sure someone else on here has the exact spec.
For me the biggest rub problems were the lowest bolt on the inside of the fender well, and the body wrapped under and into the wheel well too far which caught the tire. So I cut that part of the body off and hammered it back, then took that bolt out. Works fine except for the tightest of parking spots, so I just park a few spaces farther out 
Any pics of your blazer with the 22's??
_____________________________
2000 Blazer 4d LS 4x4 - 265/70/15 General Grabber AT2s - Hunter Brush Guard - Surco Roof Rack with IPF 868s - 1.5'' Shackle + Tbar - 2'' BL
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RE: Question about 22"s Rims - 3/23/2008 9:04:20 PM
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Stopphn
Posts: 20
Joined: 3/23/2008
Status: offline
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So after removing the bolt and doing a little cutting so that the only time you rub? What about anybody else do you have problems rubbing?
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RE: Question about 22"s Rims - 3/24/2008 5:29:16 AM
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thegr81
Posts: 2639
Joined: 1/16/2007
From: PHOENIX,AZ
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When I did a test fit with 22's on mine I would have had to trim a little bit out but not much for clearance, but that is at stock height! If you plan on lowering or bagging your blazer I would go with a skinnier tire then the 265 I would drop down to a 245/35r22 for that purpose!! As for messing up the tranni the rims won't mess it up, but unless you get a programmer your shift points will be off and also your gas mileage with suffer as well unless you got a programmer to program for the larger rim size!!
_____________________________
2001 2wd 4.3 vortec v6
"I'm not fat, I'm a minitrucker"
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RE: Question about 22"s Rims - 3/24/2008 5:22:58 PM
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Stopphn
Posts: 20
Joined: 3/23/2008
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Thanks again! I plan on keeping it stock. What is a programer that will fix correct my shift points and gas mileage? Where would I be able to get that done and how much will it cost? Did you get your blazer programed? Is there anything I can do to help my mileage with 22" rims? I did a little trimming and I have no rubbing at all.
Thanks again
I am working the pics State
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RE: Question about 22"s Rims - 3/24/2008 8:39:52 PM
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WolfPack
Posts: 3074
Joined: 10/30/2007
From: Raleigh, NC
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Any (ok most) power programmer compatible with our engines can set you straight. Those will run you at least $300 if I'm not mistaken. I'm not really an expert at all on the programmers, someone else will have to pipe up about these.
The only other option you've got is to go with a Wait4Me preformance tune or PCM4Less. These guys you ship them your PCM or buy a used one from them, and request certain changes. These are gunna be much cheaper than a programmer, but you don't get the convenience of making changes yourself as you need em.
Again, others will have much better info for ya, I just didn't wanna leave you hanging!
_____________________________
2000 Blazer 4d LS 4x4 - 265/70/15 General Grabber AT2s - Hunter Brush Guard - Surco Roof Rack with IPF 868s - 1.5'' Shackle + Tbar - 2'' BL
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RE: Question about 22"s Rims - 3/25/2008 1:18:00 AM
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thegr81
Posts: 2639
Joined: 1/16/2007
From: PHOENIX,AZ
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quote:
ORIGINAL: WolfPack
Any (ok most) power programmer compatible with our engines can set you straight. Those will run you at least $300 if I'm not mistaken. I'm not really an expert at all on the programmers, someone else will have to pipe up about these.
The only other option you've got is to go with a Wait4Me preformance tune or PCM4Less. These guys you ship them your PCM or buy a used one from them, and request certain changes. These are gunna be much cheaper than a programmer, but you don't get the convenience of making changes yourself as you need em.
Again, others will have much better info for ya, I just didn't wanna leave you hanging!
Wolfpack your on the right path very right, the programmer I suggest getting is the hypertech programmer 3 it will allow you to adjust for larger rim and tires which will adjust your shift points as well and it is setup to give you the option for best gas mileage or more power. It will allow you to adjust alot of things without you having to send your pcm out to get chipped and programmed, its a straight forward plug in programmer and it plugs into your scan port for if you needed to read codes off the pcm!!
_____________________________
2001 2wd 4.3 vortec v6
"I'm not fat, I'm a minitrucker"
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RE: Question about 22"s Rims - 3/25/2008 4:40:00 AM
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swartlkk
Posts: 15304
Joined: 5/1/2005
From: Waterloo, NY
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While a true tune (wait4me, pcmforless, or other) may not allow for on demand changes, the tune will be a lot more precise than tunes from a handheld generic tuner. A LOT more can be done with a custom tune than a hand held could ever do. I would consider a custom tune to be far superior to a hand held. If you need to change things a lot, then a hand held is the way to go. But if you are set in what you have done, then a custom tune is going satisfy you more.
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Kyle-
My Restoration Projects
Please Do Not PM for Tech Help
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RE: Question about 22"s Rims - 3/27/2008 6:33:30 PM
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Stopphn
Posts: 20
Joined: 3/23/2008
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Ok fellas the info is very helpfull, but I still have more questions. What happens if I didn't get my truck programed? If I plan on changing my rims (stock) during the winter is it worth getting the truck programed for 22" rims? And I guess this last question is for state, where in Raleigh, Nc can I get this done?
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RE: Question about 22"s Rims - 3/27/2008 6:58:58 PM
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WolfPack
Posts: 3074
Joined: 10/30/2007
From: Raleigh, NC
Status: offline
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Well..first you only really need a reprogram to account for increased overall wheel diameter. If you get a low profile tire that keeps the 22'' rim and tire combo at stock size, you shouldn't need a reprogram (other than wanting extra power to overcome the weight gain of 22''s). If you do go with a bigger combo, you need to reprogram because your speedometer will be off, as will your odometer readings.
I tracked my real speed via handheld GPS and after my tire size change I was looking at a 2-4 mph difference (a little hard to tell exactly due to a second delay or so on GPS speed calculation) from what the speedo read (speedo read 45, I'm going 47). Also I had to check my mileage because I've got a bad fuel level sender, so I have to watch my trip odometer to know when to refill. This made it particularly interesting because with the wider tire you also lose MPG...basically I have to fill up ~200 miles as opposed to ~230 before.
Lastly! As for where to get it done in Raleigh, I have not been able to locate a place that will. My favorite two mechanics said they can't, dealer said they don't have the capability (probably a lie, but how can I argue). A handheld programmer can do it, but as I understand it a handheld programmed ECU will not pass inspection so you have to return to stock for inspection then reprogram later..
I'll eventually get a new ECU from Wait4Me preformance this summer..or as soon as I have the funds.
_____________________________
2000 Blazer 4d LS 4x4 - 265/70/15 General Grabber AT2s - Hunter Brush Guard - Surco Roof Rack with IPF 868s - 1.5'' Shackle + Tbar - 2'' BL
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RE: Question about 22"s Rims - 3/27/2008 8:18:06 PM
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Stopphn
Posts: 20
Joined: 3/23/2008
Status: offline
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Thanks State! I have 22's with low profile tire so the dia. is real close to stock. Is there another way I can get more power in the truck to count to the extra weight? With stock and can on 401 miles from full-to empty. I am not sure what I can get w/ 22's, but thats keeping it at 75mph. If I didn't get my truck programed would I be ok? It sound like this programing thing is a pain in the A%&! Is there anything I might want to look into doing to keep the truck running smooth?
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