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db69 Samba Member
Joined: July 22, 2013 Posts: 419 Location: east TN
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Posted: Sat Jan 18, 2020 4:28 am Post subject: What should i expect to run in 1/8 mi. ? |
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Just curious if someone might have a car similar to mine that could tell me what kind of e.t. To expect in the 1/8 mi. This is not a race car i just want to take it to the local track on street night and see if Im getting the numbers i should be getting with this engine. Ok here is what i have: 69 Beetle (full street trim) with a stock 73 ssc trans. 25.7” rear tires.
2332
5.5 hbeams
Wedge ports 44x37.5 650 springs
1.4 rockers
Big beef straight match port intakes
48 idf’s 40mm vents
Fk8 cam
Light flywheel
Ken st 1 pp |
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madmike Samba Member
Joined: July 11, 2005 Posts: 5291 Location: Atlanta,Michigan
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Posted: Sat Jan 18, 2020 4:42 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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8's at 78 mph with slick maybe high 7's @80 mph _________________ 'Black Ice'Drag Buggy 'Turbo'
Rail Buggy 1915 turbo
76 Drag/Street bug 2180cc 'Turbo' 11:85 @113 mph"If I go any faster I'll burn up the Hamster" ,gets 28 mpg. also 10/09/22 11.90 @115 mph
"If I'm ever on Life Support,UNPLUG Me, Then Plug me back In see if that Works" |
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rayjay Samba Member
Joined: March 26, 2008 Posts: 1501 Location: Buford GA
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Posted: Sat Jan 18, 2020 5:01 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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Depends on how hard you are willing to hit it at the starting line. Might [ likely to ? ] need a trailer to get it home. |
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db69 Samba Member
Joined: July 22, 2013 Posts: 419 Location: east TN
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Posted: Sat Jan 18, 2020 5:07 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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Thats about what i thought . I used one of those track timer apps on a deserted road and best i get was 9.5 but i spun really bad out of the hole. |
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db69 Samba Member
Joined: July 22, 2013 Posts: 419 Location: east TN
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Posted: Sat Jan 18, 2020 5:08 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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I have a tow bar
How would you guys suggest i leave the line with the stock trans? RPM? Feather throttle? |
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HotStreetVw Samba Member
Joined: October 03, 2004 Posts: 871 Location: Wild West
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Posted: Sat Jan 18, 2020 5:48 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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madmike wrote: |
8's at 78 mph with slick maybe high 7's @80 mph |
I disagree. Stock weight, 180hp, stock gearing, street tires. 9-10s 1/8 mile. _________________ 4inBhore
50 Split - 2724cc NA. Haltech injected
62 Notchback - 2542cc Turbo WIP |
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rayjay Samba Member
Joined: March 26, 2008 Posts: 1501 Location: Buford GA
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Posted: Sat Jan 18, 2020 6:36 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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db69 wrote: |
I have a tow bar
How would you guys suggest i leave the line with the stock trans? RPM? Feather throttle? |
The rear tires may not roll …... |
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[email protected] Samba Member
Joined: May 17, 2003 Posts: 4863 Location: Harmony, PA
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Posted: Sat Jan 18, 2020 6:58 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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I ran 10.40’s with a 2180lb. Superbeetle with a 1776. High 7’s-low 8’s would be a perfect world with slicks, but I would think you should be able to get below 9. I ran fairly close to a 95 ZR1 Vette at some 1/8 mile fun runs with a lighter 67 Beetle and a 2276 making probably a little less hp. The 90’s ZR1’s ran mid 8’s if I remember correctly.
db69 wrote: |
How would you guys suggest i leave the line with the stock trans? RPM? Feather throttle? |
Like grandma pulling out of the grocery store parking lot...
Hopefully your SSC trans is an AT with a 3.78 1st/15 tooth diff outdrive. If it’s an AH with a 3.80 1st/17 tooth outdrive, it’s not if, but when it’s going to break. If you have done all you can do to prevent wheel hop, you could probably get a AT trans to live a little while, but the spider gears/CV joints will be the weak links. |
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db69 Samba Member
Joined: July 22, 2013 Posts: 419 Location: east TN
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Posted: Sat Jan 18, 2020 7:22 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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This trans cost me like $150 if i blow it up oh well. Im not looking to race every weekend just want to know if im getting what I should out of this motor. Thanks for your replies. I will post my numbers this spring when the tracks open back up. If my trans. holds up! |
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vwracerdave Samba Member
Joined: November 11, 2004 Posts: 15280 Location: Deep in the 405
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Posted: Sat Jan 18, 2020 7:55 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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My guess would be 9.30's with street tires and maybe 8.80's with slicks _________________ 2017 Street Comp Champion - Thunder Valley Raceway Park - Noble, OK
2010 Sportsman ET Champion - Mid-America Dragway - Arkansas City, KS
1997 Sportsman ET Champion - Thunder Valley Raceway Park - Noble ,OK
Featured in Dec. 2001 HOT VW's Magazine page 63
Watch my racing video's http://www.youtube.com/user/okvwracer/videos |
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[email protected] Samba Member
Joined: May 17, 2003 Posts: 4863 Location: Harmony, PA
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Posted: Sat Jan 18, 2020 7:57 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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You won’t get everything out of the engine, unless you get everything out of the transaxle. “Running it till it breaks” is only going to put you out $150, but everyone in the staging lanes at the track waiting for cleanup won’t be too happy. You need a sub 1.70 60ft. times to start seeing quicker times, and that’s not likely going to happen with a stock trans. |
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vwinnovator Samba Member
Joined: July 11, 2005 Posts: 1555 Location: Still doing it in the back of your VW
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Posted: Sat Jan 18, 2020 8:12 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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db69 wrote: |
This trans cost me like $150 if i blow it up oh well. Im not looking to race every weekend just want to know if im getting what I should out of this motor. Thanks for your replies. I will post my numbers this spring when the tracks open back up. If my trans. holds up! |
as long as you willing to throw away $150, how about selling me that trans as a core so I can scavenge the 3:88 and put it into a more stout trans thats set up for the track |
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db69 Samba Member
Joined: July 22, 2013 Posts: 419 Location: east TN
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Posted: Sat Jan 18, 2020 8:41 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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as long as you willing to throw away $150, how about selling me that trans as a core so I can scavenge the 3:88 and put it into a more stout trans thats set up for the track [/quote]
Then i would have to buy another $150 trans. Im not trying to grenade it just saying if it does its not going to be a devastating loss like say a $2000 trans would be. But i will keep you in mind if and when I can afford a better trans. |
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jpaull Samba Member
Joined: February 22, 2005 Posts: 3456 Location: Paradise, Ca
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Posted: Sat Jan 18, 2020 9:36 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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I doubt your gonna break your stock trans if your on street tires with that combo. And if you do, i doubt it will be your ring and pinion. If you pre-load the trans alittle, let the clutch out 3k and shift each gear normal. If something does break, then its a great time for a upgrade anyhow.
Because of the gearing, im with Hotstreet and say 9 + seconds.
My first timed runs a few months ago with less heads, less total lift, I was able to get 8.2@82 in the 1/8, 13.0@102 in the 1/4, but my gearing is tighter. Gearing really makes the difference. Mine has only 160hp and 205/70/15 street tires.
Those runs from a few months ago:
https://youtu.be/fiRQBmgKknY |
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spencerfvee Samba Member
Joined: August 19, 2004 Posts: 3071
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Posted: Sat Jan 18, 2020 10:36 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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[email protected] wrote: |
You won’t get everything out of the engine, unless you get everything out of the transaxle. “Running it till it breaks” is only going to put you out $150, but everyone in the staging lanes at the track waiting for cleanup won’t be too happy. You need a sub 1.70 60ft. times to start seeing quicker times, and that’s not likely going to happen with a stock trans. |
……………………………………….hay gkeeton did you ever repad your drivers seat? or are you still siting on the springs lol lol spencerfvee hope to see you at jims show
Last edited by spencerfvee on Sat Jan 18, 2020 10:36 am; edited 1 time in total |
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King_vw61 Samba Member
Joined: February 03, 2018 Posts: 1383 Location: Southern California
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Posted: Sat Jan 18, 2020 10:36 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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I ran 8.7 at 78mph with 185hp to the wheels. 2000lb car with drag radials. Leaving the line at 5400rpm.(should of been 6k but no chip)bogged a tiny bit.
Car wasn’t at full throttle due to driver/builder error. But every calculator I try puts my car in the low 8’s since I know my exact weight and hp.
2783cc with all the drag stuff in it.
Last edited by King_vw61 on Sat Jan 18, 2020 3:46 pm; edited 1 time in total |
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Alstrup Samba Member
Joined: July 12, 2007 Posts: 7182 Location: Videbaek Denmark
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Posted: Sat Jan 18, 2020 11:53 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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That sounds weired Vikings.
165 hp 2275 (with a massive torque though) Stock ratio 4,125, Bf Goodrich Drag radials, 1775 lbs incl. driver. (1957 oval) Runs consistent high 8´s on an unprepped track.
Full weight ´64, 2332, 210 hp, Built trans w. 3,88 R/P. 3,78/2,06/1,32/0,93. Dot 6" street slicks. 7,95 - 8,00 on a prepped track, 8,20´s on an unprepped track
With the OP. I agree, low 9´s is the most likely.
Last edited by Alstrup on Sat Jan 18, 2020 11:54 am; edited 1 time in total |
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db69 Samba Member
Joined: July 22, 2013 Posts: 419 Location: east TN
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Posted: Sat Jan 18, 2020 11:54 am Post subject: Re: What should i expect to run in 1/8 mi. ? |
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ivkings4 wrote: |
I ran 8.7 at 87mph with 185hp to the wheels. 2000lb car with drag radials. Leaving the line at 5400rpm.(should of been 6k but no chip)bogged a tiny bit.
Car wasn’t at full throttle due to driver/builder error. But every calculator I try puts my car in the low 8’s since I know my exact weight and hp.
2783cc with all the drag stuff in it. |
What kind of trans or trans work do you need to leave the line at 6grand? Just curious [/quote] |
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[email protected] Samba Member
Joined: May 17, 2003 Posts: 4863 Location: Harmony, PA
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Posted: Sat Jan 18, 2020 12:35 pm Post subject: Re: What should i expect to run in 1/8 mi. ? |
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db69 wrote: |
ivkings4 wrote: |
I ran 8.7 at 87mph with 185hp to the wheels. 2000lb car with drag radials. Leaving the line at 5400rpm.(should of been 6k but no chip)bogged a tiny bit.
Car wasn’t at full throttle due to driver/builder error. But every calculator I try puts my car in the low 8’s since I know my exact weight and hp.
2783cc with all the drag stuff in it. |
What kind of trans or trans work do you need to leave the line at 6grand? Just curious |
A super diff, and side cover at minimum. You could get away with a VW mainshaft if you weren’t at the track a lot. You could get a Weddle mainshaft, and one of their 091 internal super diffs with 100mm CV joints for something that would last for a few hundred passes in an 8/12 second Beetle. |
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King_vw61 Samba Member
Joined: February 03, 2018 Posts: 1383 Location: Southern California
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Posted: Sat Jan 18, 2020 1:16 pm Post subject: Re: What should i expect to run in 1/8 mi. ? |
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Alstrup wrote: |
That sounds weired Vikings.
165 hp 2275 (with a massive torque though) Stock ratio 4,125, Bf Goodrich Drag radials, 1775 lbs incl. driver. (1957 oval) Runs consistent high 8´s on an unprepped track.
Full weight ´64, 2332, 210 hp, Built trans w. 3,88 R/P. 3,78/2,06/1,32/0,93. Dot 6" street slicks. 7,95 - 8,00 on a prepped track, 8,20´s on an unprepped track
With the OP. I agree, low 9´s is the most likely. |
I agree. The #’s don’t lie. My engine on engine Dyno made 210, then upped compression to 10.8 from 9.6 and did a Ton of porting to already big 910 heads. Chassis Dyno was just done Wednesday at westech and 185 at the wheels. The car never saw 4th in the 1/8. (Belt on through Muffler
https://robrobinette.com/et.htm
Car weighs 2215 with me in it. Engine should pull to 8k. It does not. 185 and it stops pulling at 6k. Once I replace 20 year old valve springs it should pull like a Fk 89/91 likes.
091 bus trans. TBD diff 930 cv’s 4:13 r/p
All Weddle gears.
3.11x1.93x1.22x.82. This is not a 1/4 mile set up by any means. It is a fun street car. |
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