26 Vs 28 inch tall MT

Chris87 · 03-04-2010, 05:56 PM

Have a decision to make. I have 16 inch GNX rims on my 87 GN. Due to a small selection of 16 inch MT DR's tires, I either put the 26 inch tall tires on my rims or buy a set of 15 in. rims and put the 28's. Car has 3.73 gears in rear. what would you do?

BEACHBUM RACING · 03-04-2010, 07:12 PM

What's your RPM's going through the traps? And are you in OD or D?

Steve Wood · 03-04-2010, 08:35 PM

28"

Steve Wood · 03-04-2010, 08:36 PM

and change the rear gears

Chris87 · 03-04-2010, 08:40 PM

Thank you both. RPM's through traps unknown. Taking car to track this spring for the first time. Will do Steve.

lance j · 03-09-2010, 04:54 AM

I have those GNX wheels. i tried the 26" tires on there, they looked ridiculous, go with the 28s

turbomonte2 · 03-09-2010, 05:38 PM

28" tires first pick (but I'd not give up GNX wheels to do so), then repl 3.73 w/ std 3.42 when possible. Prev owner told me my car had Richmond 3.73--but when I went to replace it with new stock (Moser) 3.42, guess what--it already had a stock GM 3.42

I got dinged for 2-way shipping costs of the "new 3.42"..

03-04-2010, 05:56 PM	#1 (permalink)
Chris87 Registered User Join Date: Apr 2008 Posts: 54	26 Vs 28 inch tall MT Have a decision to make. I have 16 inch GNX rims on my 87 GN. Due to a small selection of 16 inch MT DR's tires, I either put the 26 inch tall tires on my rims or buy a set of 15 in. rims and put the 28's. Car has 3.73 gears in rear. what would you do?

03-04-2010, 07:12 PM	#2 (permalink)
BEACHBUM RACING Why So Serious? Join Date: Mar 2009 Posts: 3,230	What's your RPM's going through the traps? And are you in OD or D? __________________ DA' BUM'S NOT A MONSTER...HE'S JUST AHEAD OF THE CURVE

03-04-2010, 08:35 PM	#3 (permalink)
Steve Wood Scam Detector Enabled Join Date: Sep 2000 Location: East of Eden, Texas Posts: 42,893	28" __________________ ------------------ A proud member of Stonewallers Against Bogus Technology Fix reason firmly in her seat, and call to her tribunal every fact, every opinion. Question with boldness even the existence of a God; because, if there be one, he must more approve of the homage of reason, than that of blindfolded fear. Thomas Jefferson . www.vortexbuicks-etc.com

03-04-2010, 08:36 PM	#4 (permalink)
Steve Wood Scam Detector Enabled Join Date: Sep 2000 Location: East of Eden, Texas Posts: 42,893	and change the rear gears __________________ ------------------ A proud member of Stonewallers Against Bogus Technology Fix reason firmly in her seat, and call to her tribunal every fact, every opinion. Question with boldness even the existence of a God; because, if there be one, he must more approve of the homage of reason, than that of blindfolded fear. Thomas Jefferson . www.vortexbuicks-etc.com

03-09-2010, 04:54 AM	#6 (permalink)
lance j Registered User Join Date: Feb 2010 Location: las vegas Posts: 1	I have those GNX wheels. i tried the 26" tires on there, they looked ridiculous, go with the 28s __________________ 87 Grand National, built motor & trans, 61mm turbo

03-04-2010, 08:40 PM	#5 (permalink)
Chris87 Registered User Join Date: Apr 2008 Posts: 54	Thank you both. RPM's through traps unknown. Taking car to track this spring for the first time. Will do Steve.

03-09-2010, 05:38 PM	#7 (permalink)
turbomonte2 Older--but Getting Wiser Join Date: Sep 2004 Location: Myrtle Beach, SC Posts: 2,226	28" tires first pick (but I'd not give up GNX wheels to do so), then repl 3.73 w/ std 3.42 when possible. Prev owner told me my car had Richmond 3.73--but when I went to replace it with new stock (Moser) 3.42, guess what--it already had a stock GM 3.42 I got dinged for 2-way shipping costs of the "new 3.42".. Last edited by turbomonte2; 03-09-2010 at 06:05 PM. Reason: Nevermind about the hope to see you @ car show next wk (different Chris)

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