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#1
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Tire size
I been wondering about my factory tires and have no clue where or if they still sell them. My phs doc states they where F70X14 WL FG. Im.not sure what that means, does anyone know? I'm also trying to figure out tire diameter to help determine rear end gear ratio to install. I really want posi. I probably will get a set of 15s too but not sure what type yet or possibly early honey comb 17x8. These options are to be brain stormed. Hope I can get help and if I could see pics of other members rims to help me determine. Thanks my factory rim size is a cl 14 x 7. Any recommendations on who restores these. I spoke with Stockton wheels and consider widening rear wheels to 8 inch, but it just a thought at moment
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#2
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WL= White Letter ( as in raised white Letter)
FG = Fiberglass bias ply tire. F series tires are fine on 7 inch rims, go wider and you will shorten the height of the tire WHICH looks small already on 14 inch rims as far as the wheel well goes.. Stock wheels.. have them checked on a spin balancer first. anyplace can blast and paint black epoxy.
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"The Future Belongs to those who are STILL Willing to get their Hands Dirty" .. my Grandfather |
#3
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From your past posts, it seems like you are trying to keep the restoration as close to original as possible. If so, I would consider just refurb'ing the stock rims and get some Cokers (or similar). If not, just find a rim and tire combination that you like in whatever size and ensure the overall tire diameter is the same/similar as OE and have clearance.
FWIW...I put 18s on my '70.
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1970 GTO (Granada Gold) - 400 / TH400 |
#4
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Rims and tired
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Last edited by Ramairnacho; 03-18-2022 at 12:13 PM. |
#5
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Overall height on both front & rear is 26.7".
Front: 245/45/18 tires on 18x8 rim Rear: 275/40/18 tires on 18x9.5 rim This may help you - https://tiresize.com/calculator/
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1970 GTO (Granada Gold) - 400 / TH400 |
#6
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I went with 235/55R17 tires on the YearOne aluminum rally wheel based on being able to get GR60/15's on the gen2 F-Body. The GR60's are 26.8" in diameter and the 235/55's are just 3/8" taller.
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#7
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the closest metric equivalent to an F70-14 is a 225/70R14;
I have observed that although the installed height is pretty much a dead-ringer, the tread patch is smaller; My opinion is that a 245/60R14 is the best balance of tread patch and installed height when replacing an OE F70-14
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
The Following User Says Thank You to unruhjonny For This Useful Post: | ||
#8
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Tires and rims
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#9
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F70x14
I think these are same as original. Found like suggested on coker.com. diameter size is 26.2 which is good. Compared to the 245 ×60×14 at 25.65 with price of gas this is so.ething to consider. Yes a little more but in long run it might save money. I ve never done this before guys so help out a rookie. The 15 inch 215/70r15 have a tire diameter of 26.89 which isn't that much more. Hmm. If the Firestone are like stock. Then I like those alot. Advice please
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#10
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Quote:
You lucky bum! There are two wheel paint charts floating around, for a long time it seemed to be understood that very few colours were sprayed on (plain) steel wheels, but I found a while ago another paint chart that showed more colours were painted on these wheels - I was pretty stoked about this, because Carousel Red (my cars colour) was one of the paints applied to wheels according to this chart. I think what's more important than gearing is the gear-head behind the (steering) wheel; My car has always had 3.55 gearing - and even though I could save money by going with less gearing, you can also save money by driving slower, and more civilly.
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
#11
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Cl
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#12
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believe it or not, I once was able to crack 20mpg in my car on the highway.
If my memory serves me, I was going well below the posted limit (in the slow lane; posted limit was 100kph, I was doing about 80kph); and I was running a '77 Pontiac 350 4bbl carb. Jokes aside, 3.31 would probably also be a fine gear set for having fun, and getting mileage. Looking to get 400-450hp AND get mileage, now that ain't going to happen without gear vendors overdrive, or an four speed auto (with OD). I once thought about trying to get hp like that, but honestly the factory hp & tq that these cars make is amply fun for most people.
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
#13
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Tires and rims
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#14
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You should read some of the dyno discussions that happen here on stock, or nearly stock engines.
FIRST LINK SECOND LINK
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
#15
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No ride issues with the 55 series tires. I like how they do a nice job of filling the wheel opening while retaining the stock appearance. I'm running 3:23 ratio axle.
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#16
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Can you please explain this? What does it mean? How is it done?
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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Ray Klemm calibrated Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear https://youtube.com/shorts/gG15nb4FWeo?feature=share |
#17
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you're funny.
i actually missed the joke, and initially typed a more serious reply. lol
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
#18
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Quote:
https://youtu.be/gMAJWJrnXNo OK, now back to your regular programming...
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70 TA, 467 cid IAII, Edelbrock D-port heads, 9.94:1, Butler HR 236/242 @ .050, 520/540 lift, 112 LSA, Ray Klemm calibrated Q-jet, TKX (2.87 1st/.81 OD), 3.31 rear https://youtube.com/shorts/gG15nb4FWeo?feature=share |
#19
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Quote:
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
#20
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Tires
Well im.not going to go around doing brake stands and stroke a number matching 1 of 293 auto formulas. That's just stupid. I actually never abused my car like that. It's stupid. I guess if I had a non number car it would be OK. In high school the other kids put wide tires I. The back and skinny tires In the front. I think it looks ugly. I like wide tires all the way around and low for better handling. I guess I'm not.into quarter mile racing. I like cruising looking at nice cars, hot girls and hitting the strip. Like in Reno on hot
August nights or Grafitii nights. Live in action car shows. |
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