93berettagt Posted March 18, 2009 Report Share Posted March 18, 2009 So i am having trouble figuring out tire sizes and how wide of a rear tire I can fit in my car with out modding it (or if it's reall easy to mod it a little, how much). I am looking at these tires and I'm thinking the bigger one must just bubble up more, but I always thought the second number ment tire height. This is the first one http://store.summitracing.com/partdetail.asp?autofilter=1&part=BFG%2D54462&N=700+400073+304873+4294904708+115&autoview=sku and then the second one. http://store.summitracing.com/partdetail.asp?autofilter=1&part=BFG%2D92364&N=700+400073+304873+4294904554+115&autoview=sku. The reason I arrived at it being two inches taller is in the specs it says its over all diamater, or does that mean something else? Plus I think a 315 is too wide in general no matter the height, but I am just a little confused on the diameter difference. Btw the car is a 71' Skylark what is the max size I can fit with out modding it to much? Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted March 19, 2009 Report Share Posted March 19, 2009 first one will fit for sure, i dont think the second one will fit. and 30" tall. umm no Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted March 19, 2009 Report Share Posted March 19, 2009 275-60-15 is it with out minitub send me some pictures I want o see how it turned out Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted March 19, 2009 Report Share Posted March 19, 2009 oh and don't buy that tire from summit we have it in stock downtown 232-8881 ask for derek Quote Link to comment Share on other sites More sharing options...
Guest Removed Posted March 19, 2009 Report Share Posted March 19, 2009 275-60-15 is it with out minitub send me some pictures I want o see how it turned out dave how much can you fit with a mini tub? i had a guy call me last week about doing one. he was up in the air if he was going mini tub it or just flat out tub it Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted March 19, 2009 Report Share Posted March 19, 2009 you can go from 275mm wide and 28" tall to 295mm wide and 30" tall maybe a little bigger if you roll the lip a little and use a wheel with a dead nuts offset Quote Link to comment Share on other sites More sharing options...
65belairpost Posted March 19, 2009 Report Share Posted March 19, 2009 Hello, that 71 skylark should hold the first tire with no problem..it is basically the old L 60 15, I know I am old...but if you are running a big gear, such as a 456...it is a little short...The biggest tire i could get under my Belair was 29.5 inches tall without bending metal in the front..If you have a local place you usually go, they might dry mount the tires to see if they fit...and if they don't try another..The place I go in Hilliard let me do that..I searched for months trying to find a tall tire that wasn't to wide...etc..It basically came down to there are not a lot of choices in tall and narrower street tires..Also, the rim you are using, offset etc. makes a big difference..Try this link it may help... http://www.wheelsmaster.com/rt_specs.jsp Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted March 20, 2009 Report Share Posted March 20, 2009 drop that DR down to about 15psi and do a good burnout that car 1.45 60ed for me back in day with ladder bars and an airbag in the rr Quote Link to comment Share on other sites More sharing options...
93berettagt Posted March 20, 2009 Author Report Share Posted March 20, 2009 cool thanks for all the info, and I wasn't going to buy it from summit, I was just using it as a reference. I'd put some pictures up but it isn't done yet, I am kinda jumping the gun with this. Once I do get that far I'll be sure to call that guy and will post pictures. Quote Link to comment Share on other sites More sharing options...
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