20" Tire Question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

72BlckButy · 08-15-2005, 01:08 PM

Okay, Friday afternoon I went and priced the set of tires that I would like to run on my truck. Now, I'm filled with even more questions than before. I've read about every thread on 20's and what tire size people are running, but I still haven't found all the answers. While I was there, they were a lot of help, especially in trying to convert the stance of my truck currently and how the tires will be with the drop on and so on. The tires that I got priced on were 265/35r20's for the front, and 295/45r20's for the rear. Am I going to have rubbing issues with they size in the front and/or rear? Any information or feedback will be greatly appreciated. I'm planning on dropping my SWB 3.5 inches in the front, and either 4 or 5 inches in the rear, just to add a little more information. Thanks you for any response I might receive.

bagged74 · 08-15-2005, 01:33 PM

that 295/45 is going to be huge in comparison to the front tire. You might like it, but I personally think that would be too much difference in the tire size. Its going to look like a rubberband on the front and a fat tire on the rear.

72BlckButy · 08-15-2005, 01:41 PM

See, that's what I was worried about. I'm not into that kind of look, but I can't quite figure out what size I need to run that would look good, without an extremely hugh sidewall. Does a 285/30 rear, and 255/35 front look good? Or would anyone have any suggestions?

67Fleet · 08-15-2005, 03:19 PM

Just for grins, I threw on my 20's from my '03 on the front of my '67 and the tires are 275/45/20 and they were huge!! So big it raised the whole truck up by about 2 inches. Looked stupid. Too much tire. Also, out back that's a wide tire. I couldn't get mine on out back due to the axle flange being too large for the hub on the wheels (3-1/2 flg vs 3" hub) but just by throwing it up on the lugs it looked like it was going to be super close to the inside wheel tub on the frame side. Hope this helps a little. I'd go with a lower profile tire out back for sure. Why don't you go with 265/35's all around?

72BlckButy · 08-15-2005, 03:45 PM

I was kind of wanting to run a little bigger tire on the rear, just to give it a little different effect, but after I left the tire shop Friday, I wasn't quite sure about the tire size either. I guess back to the drawing board, I'm seen trucks with the tire fitment of 285/30 rear and 255/35 front and it doesn't look to bad. If anyone has the issue of Custom Classic Truck from July of 2004 the baby blue '69 is running this tire combination. Anymore replies or input is greatly appreciated.

fastbagged68 · 08-15-2005, 05:42 PM

I am running on my 63- 245-40-20 and 295-40-20. The fronts are about 27.7" tall while the rear is 29.5" Perfect combo. Enough side wall.

67Fleet · 08-15-2005, 06:24 PM

wow, fastbagged68, that truck is BADA$$!!!!

bagged74 · 08-15-2005, 06:55 PM

That 245/40 and 295/40 combo looks bad a$$, but it depends on the look you are going for. I also like the 245/40 and 275/35 combo, they are almost exactly the same height, just wider in the rear. That is what I had on my jimmy.
I will probably go with the 295/40 next go round.

72BlckButy · 08-15-2005, 07:37 PM

Thanks for all the replies guys. There's a truck on cardomain.com, that has the basic stance that I'm looking at, and I love the size of tires. The link is as follows:

http://www.cardomain.com/ride/687313

fastbagged68: Would you happen to have a side picture of your wheels and tires?

bagged74: How much side wall is on your tires?

72BlckButy · 08-15-2005, 08:29 PM

ttt

MEANGREEN70 · 08-16-2005, 07:40 AM

Am Putting 255/35-20'S All The Way Around On My 70 Stepside, WILL POST PICS SOME.

72BlckButy · 08-16-2005, 07:48 AM

Thanks meangreen70, I'd appreciate any information you can provide

1low1967 · 08-16-2005, 01:21 PM

I'm in the process of building my 67 and am running a 275/45/20 all the way around, I am going to do a lot of body massaging to get it to lay out but the bed tucked really nice and I had about a inch clearance from body to tire. I personally like more side wall because of my previous truck, had a 96 toyota tacoma the layed out on 19's with a 40 series side wall. I felt everything even with the air suspension, But its up to the person. I still didnt moch up the front fender, but I have 5 1/2 in of back spacing and it should tuck i'll try to get some pics up soon

1low1967 · 08-16-2005, 01:22 PM

meangreen70

**Hart_Rod** · 08-16-2005, 03:23 PM

Fastbagged68,

What brand of tires? Where did you purchase them?

Rob

fastbagged68 · 08-16-2005, 06:08 PM

My tires are BFG's, KDW I think. my buddy works @ a local speedshop I got them from him. I will try to get a pic of a side shot.

DM310 · 08-16-2005, 06:18 PM

just a quick question for you guys, will back spacing of 5.4 on 20x8.5 work on a truck that lays frame? or what about 5.5 on 22x9

fastbagged68 · 08-16-2005, 07:15 PM

No. I don't think so! I got I believe is 6 inch. I am going to buy new front eventually with a 7inch backspace.

67Fleet · 08-17-2005, 04:24 PM

Quote:

Originally Posted by fastbagged68

No. I don't think so! I got I believe is 6 inch. I am going to buy new front eventually with a 7inch backspace.

WOAH!! Are you sure about that??? I've got a disc conversion on the front of my '67 and put on my 20x9 wheels with 5.79" of backspacing and it was too much backspacing. Luckily there weren't any clearance issues, but they were way further than necessary from the fenders. Not saying you don't know what you're doing by any means and not trying to flame anyone, just double-check your measurements. There's bagged guys on here running 4-1/2" backspacing and tucking rim.....

DM310 · 08-18-2005, 07:36 PM

Quote:

Originally Posted by fastbagged68

No. I don't think so! I got I believe is 6 inch. I am going to buy new front eventually with a 7inch backspace.

Quote:

Originally Posted by fastbagged68

Don't need to double check my measurements! You need that much offset/backspacing to drive super low and steer lock to lock.

So w/ bs of 5.5" you should still be able to drive around slammed but just not be able to turn lock to lock. you should be able to still get some turning radius right? I saw in a different thread where you mentioned that you had 5.5 bs upfront right now but were looking to change that. W/ that 5.5" bs how much can you turn the wheel when slammed?

DM310 · 08-16-2005, 07:52 PM

DAMN........ i thought you had 5.5 in the front fastbagged68. who makes some nice rims w/ 7" back spacing?

MEANGREEN70 · 08-17-2005, 07:24 AM

Thanks 1low1967

fastbagged68 · 08-17-2005, 04:36 PM

Don't need to double check my measurements! You need that much offset/backspacing to drive super low and steer lock to lock.

67Fleet · 08-18-2005, 01:19 PM

Quote:

Originally Posted by fastbagged68

Don't need to double check my measurements! You need that much offset/backspacing to drive super low and steer lock to lock.

OK, I paged back up and realize why you are saying 6-7" backspacing. The question in the thread was asking about backspacing for a '72 (if I'm assuming correct since there is a '72 in his sig). The pic you posted is of a pre-67 truck, so the backspacing is probably different for that body-style vehicle. The information I found on this site is that 4.5 - 5" of backspacing is plenty to lay out on and tuck with the 67-72 trucks.

DM310 · 08-17-2005, 04:52 PM

hmmm....... does anyone have pics of what 7" rims would look like? I could see that you would need that much for driving around slammed but how would it look when raised up?

08-15-2005, 01:08 PM	#1
72BlckButy Tot Roddin' Join Date: Apr 2005 Location: Mid-MO Posts: 24,461	20" Tire Question Okay, Friday afternoon I went and priced the set of tires that I would like to run on my truck. Now, I'm filled with even more questions than before. I've read about every thread on 20's and what tire size people are running, but I still haven't found all the answers. While I was there, they were a lot of help, especially in trying to convert the stance of my truck currently and how the tires will be with the drop on and so on. The tires that I got priced on were 265/35r20's for the front, and 295/45r20's for the rear. Am I going to have rubbing issues with they size in the front and/or rear? Any information or feedback will be greatly appreciated. I'm planning on dropping my SWB 3.5 inches in the front, and either 4 or 5 inches in the rear, just to add a little more information. Thanks you for any response I might receive. __________________ -Nate 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package)

08-15-2005, 01:41 PM	#3
72BlckButy Tot Roddin' Join Date: Apr 2005 Location: Mid-MO Posts: 24,461	See, that's what I was worried about. I'm not into that kind of look, but I can't quite figure out what size I need to run that would look good, without an extremely hugh sidewall. Does a 285/30 rear, and 255/35 front look good? Or would anyone have any suggestions? __________________ -Nate 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package)

08-15-2005, 03:19 PM	#4
67Fleet Outlandish Trends - FL Join Date: Jul 2005 Location: Orlando Posts: 1,396	Just for grins, I threw on my 20's from my '03 on the front of my '67 and the tires are 275/45/20 and they were huge!! So big it raised the whole truck up by about 2 inches. Looked stupid. Too much tire. Also, out back that's a wide tire. I couldn't get mine on out back due to the axle flange being too large for the hub on the wheels (3-1/2 flg vs 3" hub) but just by throwing it up on the lugs it looked like it was going to be super close to the inside wheel tub on the frame side. Hope this helps a little. I'd go with a lower profile tire out back for sure. Why don't you go with 265/35's all around? __________________ -Bret 67 short-fleet sold!

08-15-2005, 03:45 PM	#5
72BlckButy Tot Roddin' Join Date: Apr 2005 Location: Mid-MO Posts: 24,461	I was kind of wanting to run a little bigger tire on the rear, just to give it a little different effect, but after I left the tire shop Friday, I wasn't quite sure about the tire size either. I guess back to the drawing board, I'm seen trucks with the tire fitment of 285/30 rear and 255/35 front and it doesn't look to bad. If anyone has the issue of Custom Classic Truck from July of 2004 the baby blue '69 is running this tire combination. Anymore replies or input is greatly appreciated. __________________ -Nate 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package)

08-15-2005, 05:42 PM	#6
fastbagged68 Registered User Join Date: Jun 2002 Location: Tri Valley California Posts: 792	I am running on my 63- 245-40-20 and 295-40-20. The fronts are about 27.7" tall while the rear is 29.5" Perfect combo. Enough side wall. Attached Images

08-15-2005, 01:33 PM	#2
bagged74 its just $$$$$ Join Date: Jul 2003 Location: OK Posts: 2,078	that 295/45 is going to be huge in comparison to the front tire. You might like it, but I personally think that would be too much difference in the tire size. Its going to look like a rubberband on the front and a fat tire on the rear.

08-15-2005, 06:24 PM	#7
67Fleet Outlandish Trends - FL Join Date: Jul 2005 Location: Orlando Posts: 1,396	wow, fastbagged68, that truck is BADA$$!!!! __________________ -Bret 67 short-fleet sold!

08-15-2005, 06:55 PM	#8
bagged74 its just $$$$$ Join Date: Jul 2003 Location: OK Posts: 2,078	That 245/40 and 295/40 combo looks bad a$$, but it depends on the look you are going for. I also like the 245/40 and 275/35 combo, they are almost exactly the same height, just wider in the rear. That is what I had on my jimmy. I will probably go with the 295/40 next go round. Attached Images

08-15-2005, 07:37 PM	#9
72BlckButy Tot Roddin' Join Date: Apr 2005 Location: Mid-MO Posts: 24,461	Thanks for all the replies guys. There's a truck on cardomain.com, that has the basic stance that I'm looking at, and I love the size of tires. The link is as follows: http://www.cardomain.com/ride/687313 fastbagged68: Would you happen to have a side picture of your wheels and tires? bagged74: How much side wall is on your tires? __________________ -Nate 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package)

08-15-2005, 08:29 PM	#10
72BlckButy Tot Roddin' Join Date: Apr 2005 Location: Mid-MO Posts: 24,461	ttt __________________ -Nate 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package)

08-16-2005, 07:40 AM	#11
MEANGREEN70 Registered User Join Date: Aug 2005 Location: SACHSE,TX Posts: 132	Am Putting 255/35-20'S All The Way Around On My 70 Stepside, WILL POST PICS SOME.

08-16-2005, 07:48 AM	#12
72BlckButy Tot Roddin' Join Date: Apr 2005 Location: Mid-MO Posts: 24,461	Thanks meangreen70, I'd appreciate any information you can provide __________________ -Nate 1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6) 1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior) 2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package)

08-16-2005, 01:21 PM	#13
1low1967 Registered User Join Date: May 2005 Location: Mohnton Posts: 87	I'm in the process of building my 67 and am running a 275/45/20 all the way around, I am going to do a lot of body massaging to get it to lay out but the bed tucked really nice and I had about a inch clearance from body to tire. I personally like more side wall because of my previous truck, had a 96 toyota tacoma the layed out on 19's with a 40 series side wall. I felt everything even with the air suspension, But its up to the person. I still didnt moch up the front fender, but I have 5 1/2 in of back spacing and it should tuck i'll try to get some pics up soon

08-16-2005, 01:22 PM	#14
1low1967 Registered User Join Date: May 2005 Location: Mohnton Posts: 87	meangreen70

08-16-2005, 03:23 PM	#15
Hart_Rod ************* Join Date: Apr 2005 Location: Pensacola, FL Posts: 17,859	Fastbagged68, What brand of tires? Where did you purchase them? Rob __________________ Rob - https://www.instagram.com/hart_rod_c10 As Iron Sharpens Iron, So One Man Sharpens Another. Proverbs 27:17 FOR SALE: DBW pedal bracket - http://67-72chevytrucks.com/vboard/s...d.php?t=651123 FOR SALE: Hood Brackets http://67-72chevytrucks.com/vboard/s...d.php?t=679945 1987 Silverado SWB - 34.5K original miles http://67-72chevytrucks.com/vboard/s...d.php?t=801834 1969 SuperBurb - http://67-72chevytrucks.com/vboard/s...d.php?t=200387 1968 Farm truck - http://67-72chevytrucks.com/vboard/s...d.php?t=358692 1968 SWB - http://67-72chevytrucks.com/vboard/s...d.php?t=551258 1948 Chevy - http://67-72chevytrucks.com/vboard/s...=122164&page=3



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08-16-2005, 06:08 PM	#16
fastbagged68 Registered User Join Date: Jun 2002 Location: Tri Valley California Posts: 792	My tires are BFG's, KDW I think. my buddy works @ a local speedshop I got them from him. I will try to get a pic of a side shot.

08-16-2005, 06:18 PM	#17
DM310 Registered User Join Date: Jan 2005 Location: Los Angeles Posts: 256	just a quick question for you guys, will back spacing of 5.4 on 20x8.5 work on a truck that lays frame? or what about 5.5 on 22x9 __________________ 66 C10 (under construction) 1.5" crossmember drop 2" Z'ed frame 8" rear notch Watts-link Bagged DJM 3" spindles

08-16-2005, 07:15 PM	#18
fastbagged68 Registered User Join Date: Jun 2002 Location: Tri Valley California Posts: 792	No. I don't think so! I got I believe is 6 inch. I am going to buy new front eventually with a 7inch backspace.

08-16-2005, 07:52 PM	#21
DM310 Registered User Join Date: Jan 2005 Location: Los Angeles Posts: 256	DAMN........ i thought you had 5.5 in the front fastbagged68. who makes some nice rims w/ 7" back spacing? __________________ 66 C10 (under construction) 1.5" crossmember drop 2" Z'ed frame 8" rear notch Watts-link Bagged DJM 3" spindles

08-17-2005, 07:24 AM	#22
MEANGREEN70 Registered User Join Date: Aug 2005 Location: SACHSE,TX Posts: 132	Thanks 1low1967

08-17-2005, 04:36 PM	#23
fastbagged68 Registered User Join Date: Jun 2002 Location: Tri Valley California Posts: 792	Don't need to double check my measurements! You need that much offset/backspacing to drive super low and steer lock to lock.

08-17-2005, 04:52 PM	#25
DM310 Registered User Join Date: Jan 2005 Location: Los Angeles Posts: 256	hmmm....... does anyone have pics of what 7" rims would look like? I could see that you would need that much for driving around slammed but how would it look when raised up? __________________ 66 C10 (under construction) 1.5" crossmember drop 2" Z'ed frame 8" rear notch Watts-link Bagged DJM 3" spindles

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