10 Second 1/4 Mile Goal - Page 2 - Chevelle Tech
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post #16 of 53 (permalink) Old Mar 24th, 19, 11:07 AM
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MARK
 
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Re: 10 Second 1/4 Mile Goal

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Originally Posted by Lew540 View Post
OK I guess we need to start with we know its a 1970 Chevelle what motor is in it and what other details can you tell us. The 10 second car is nice but can be very expensive to get there if you are trying to keep it on pump gas, full interior, idle nice, doesn't overheat and a good rear end gear that does not prohibit you from driving on highway - oh yes and be reliable with not a lot of time under hood. If you are willing to go blower, turbo or nitrous that will help but the stuff gets expensive. That all being said probably just as important is the driver and the ability to launch and shift the car - without that you may need a 9 second car to go 10s.
A drivable full interior, NA pump gas car is very easily achievable.
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post #17 of 53 (permalink) Old Mar 24th, 19, 1:27 PM
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Re: 10 Second 1/4 Mile Goal

it's been a long time since I have been to the track but I think once you get into the 10's a full roll cage is required and 9's an NHRA lic is required, I didn't want to chop my car up.

"A Nation of Sheep will beget a Government of Wolves." Edward R. Murrow
ďThe last official act of any government is to loot the treasury.Ē Ė George Washington
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post #18 of 53 (permalink) Old Mar 24th, 19, 1:35 PM
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Chris
 
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Re: 10 Second 1/4 Mile Goal

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Originally Posted by 1970Chevelle__ View Post
Thatís pretty nice to get it on your first try! I donít think Iíll have a full interior just 2 front seats but then still gonna have glass and most likely going to be a full steel car. I donít have a full exhaust it dumps before the rear end. You ran the MTs on the street too or no? I know they do a a street radial Id like to try.


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Yeah I use them on the street too. It is actually safer then regular radials if I floor it at 45 and under it will take off instead of smoking the tires.
As Mark said, it is easy to achieve, even with a lil small block!
No real special stuff at all.
Even with a lil ol mechanical fuel pump, PS,PB's.
As was mentioned earlier, It's not just the engine!

73 nova,3515#(all steel)Pump gas!(91octane)406ci N/A, best 1/4,1.45 '60,[email protected],10.6 @ 122.38, short shifting,NO tuning!

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post #19 of 53 (permalink) Old Mar 24th, 19, 8:11 PM
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Greg
 
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Quote:
Originally Posted by 2cool View Post
it's been a long time since I have been to the track but I think once you get into the 10's a full roll cage is required and 9's an NHRA lic is required, I didn't want to chop my car up.
You can go 10.00 (6.40) with just a bar as long as the firewall isn’t altered too much. Once you hit 10.99 they’ll look for a 6-8 pt bar, 5 point harness, and a fire jacket. 9.99 requires a competition license, full cage, window net, etc. That is unless the rules have changed in the last year or so..

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post #20 of 53 (permalink) Old Mar 24th, 19, 11:32 PM Thread Starter
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Re: 10 Second 1/4 Mile Goal

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Originally Posted by WHT/73 View Post
Yeah I use them on the street too. It is actually safer then regular radials if I floor it at 45 and under it will take off instead of smoking the tires.

As Mark said, it is easy to achieve, even with a lil small block!

No real special stuff at all.

Even with a lil ol mechanical fuel pump, PS,PB's.

As was mentioned earlier, It's not just the engine!


I was looking into those sometime ago i at first wanted to tub the back to fit like 365s atleast but Iíll save that for a later time. Anyway I was thinking maybe qa1 drag suspension or maybe qa1 handling suspension if itís going to be a street car as well any tips on that? I got a 12 bolt already but was thinking about doing a 9inch ford at some point maybe not right away as itís like 5000+ for a nice one what do have? And I have heard the Gearstar th400 is a really good strong transmission for an automatic or would you recommend something else?


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post #21 of 53 (permalink) Old Mar 24th, 19, 11:41 PM
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Re: 10 Second 1/4 Mile Goal

Gear ratio on a street car doing the 1/4 is probably the single biggest thing you can do but it has to be the right one for your motor.

"A Nation of Sheep will beget a Government of Wolves." Edward R. Murrow
ďThe last official act of any government is to loot the treasury.Ē Ė George Washington
http://s146.photobucket.com/albums/r241/gregs_photo/
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post #22 of 53 (permalink) Old Mar 24th, 19, 11:44 PM
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Lol any of u guys gotten into the
10s with a stick shift?

I have a built LSA with a 12bolt.
6 speed magnum.
4:10 gears. Full weight. Suspension done
And MT streets and could barely crack 11s

I feel like I won’t ever hit 10s with a stick
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post #23 of 53 (permalink) Old Mar 25th, 19, 12:11 AM
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Re: 10 Second 1/4 Mile Goal

Quote:
Originally Posted by 1sikride View Post
Lol any of u guys gotten into the
10s with a stick shift?

I have a built LSA with a 12bolt.
6 speed magnum.
4:10 gears. Full weight. Suspension done
And MT streets and could barely crack 11s

I feel like I wonít ever hit 10s with a stick

Thats a dam good setup for the street but if you have to crack 10 you need to step up to 4.88 and a 28" tall slick, I hear those LS motors do good with a leaf blower on them too.

"A Nation of Sheep will beget a Government of Wolves." Edward R. Murrow
ďThe last official act of any government is to loot the treasury.Ē Ė George Washington
http://s146.photobucket.com/albums/r241/gregs_photo/
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post #24 of 53 (permalink) Old Mar 25th, 19, 5:04 AM
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Re: 10 Second 1/4 Mile Goal

Go buy an already running race car that has enough OEM equipment to make it street legal (ie. lights and wipers) and be done with it. Been there, done that. Tracks have been cracking down for years now, 11.49 and lower requires a roll bar and other safety equipment.
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post #25 of 53 (permalink) Old Mar 25th, 19, 8:56 AM
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Re: 10 Second 1/4 Mile Goal

One thing nice about these days is you can get a lot of good ideas (you can also get bad ideas too) from people who are knowledgable and have been down this road. When I started my car project in 1980 you had not much just some magazines and stuff you could pick up at the speed shop, machine shop or at a car cruise even then I did not do that. I wish I had done more due diligence would have save me time and money. Today with the proven package motor packages (with dyno sheets) and technology and information you have a lot at your fingertips. Good luck and be prepared to spend some money.
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post #26 of 53 (permalink) Old Mar 25th, 19, 10:15 AM
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Re: 10 Second 1/4 Mile Goal

A purpose built 12 bolt is all you need.
The factory 4 link needs replaced with quality adjustable pieces.
Your rear coil springs need replacing.
Front suspension also needs attention.
Don't forget about driveshaft and U joint upgrade.
And brakes !!!
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post #27 of 53 (permalink) Old Mar 25th, 19, 10:22 AM
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Quote:
Originally Posted by 1sikride View Post
Lol any of u guys gotten into the
10s with a stick shift?

I have a built LSA with a 12bolt.
6 speed magnum.
4:10 gears. Full weight. Suspension done
And MT streets and could barely crack 11s

I feel like I won’t ever hit 10s with a stick
Not yet but plan on it this year. Last year I was mid 11’s and blew a clutch out. This year with the turbo going on I should be 10’s.

Last year was
502 built
6spd magnum
3.73 gear, 4100lbs race weight
And MT SS tires

1968 Beaumont
502 big block
Stock looking, definitely not stock sounding
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post #28 of 53 (permalink) Old Mar 25th, 19, 1:25 PM
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Re: 10 Second 1/4 Mile Goal

Quote:
Originally Posted by mrpaticular View Post
A purpose built 12 bolt is all you need.
The factory 4 link needs replaced with quality adjustable pieces.
Your rear coil springs need replacing.
Front suspension also needs attention.
Don't forget about driveshaft and U joint upgrade.
And brakes !!!
Am still using the original rear springs on my junk, which springs are you suggesting?

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post #29 of 53 (permalink) Old Mar 25th, 19, 1:26 PM
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Re: 10 Second 1/4 Mile Goal

Quote:
Originally Posted by Iforgot View Post
You can go 10.00 (6.40) with just a bar as long as the firewall isnít altered too much. Once you hit 10.99 theyíll look for a 6-8 pt bar, 5 point harness, and a fire jacket. 9.99 requires a competition license, full cage, window net, etc. That is unless the rules have changed in the last year or so..
5 point roll bar is acceptable to 10.00

'66 SS Chevelle
565 BBC Mamofied 300cc Ovals
4.11 12 bolt
Best e.t. to date [email protected] @115.31
1.315 60'
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post #30 of 53 (permalink) Old Mar 25th, 19, 2:19 PM
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Rick
 
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Re: 10 Second 1/4 Mile Goal

Quote:
Originally Posted by 1970Chevelle__ View Post
A bit of back story I have always been fascinated and with drag racing and going fast and since I canít build a show car I figured I may as well follow the thing Iíve always wanted to do. My dad however isnít going to be easy to convince but thatís ok because itís my car and after a while he will come along. Anyway my goal for now is to just get a 10 second car and without mini-tubbing the car or anything super major just yet until after high school. I know 10 seconds isnít necessarily mind blowing nowadays but itís a start till I can reach my main goal. If anyone here has built a 10 second STREET car I would love any input, advice, and build information without getting crazy. It may be a long shot Iím not really sure how difficult a 10 second car is but Iíd still like some relative drive ability on the street for weekends and occasional weekdays.


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If you are willing to go forced induction then 10's from a legit street car is easy.
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8.02 at 171mph:

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