Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

General engine tech -- Drag Racing to Circle Track

Moderator: Team

Post Reply
1980RS
Guru
Guru
Posts: 1636
Joined: Thu Oct 13, 2016 10:03 am
Location:

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by 1980RS »

steve cowan wrote: Sun May 22, 2022 4:40 pm I think once a street type car starts running over 135 mph google theory goes out the window.
Same for a engine that makes good hp/ cube alot of things we think we know are dead wrong.
Scott has basically added 200 hp or so to the car and it a new ball game in my opinion, unless you have decades of experience at that level it can be daunting and talking to people that actually know is a small group usually.
From my experience track tuning is tough, there are so many variables and a lot of hurry up and wait scenarios lol
Think about how many hrs we have waited in staging lanes of years / decades
I can see how guys do engine dyno then hub dyno then race track in that order.
I have only run over 135mph with my 358 on a 200 shot, things happen fast and hang on, it's a fun ride but ends to quick. :mrgreen:
ChopperScott
HotPass
HotPass
Posts: 594
Joined: Tue Nov 30, 2021 8:47 am
Location: West Milford, NJ
Contact:

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by ChopperScott »

Just a short start-up and walk around video before loading back in the trailer...

https://youtu.be/C0j7gcq5TYY
'73 Camaro Z/28 NETO/N
434 SBC 11:1, 1.294, 6.178 @ 108.87, 9.81 @ 134.93 (3060#, Naturally Aspirated, Sunoco Ultra 94)
Chopper Air Port 917-589-1278
steve cowan
Guru
Guru
Posts: 2253
Joined: Wed Jul 27, 2011 5:22 am
Location: brisbane AUSTRALIA

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by steve cowan »

ChopperScott wrote: Thu Jun 30, 2022 3:39 pm Just a short start-up and walk around video before loading back in the trailer...

https://youtu.be/C0j7gcq5TYY
Best of luck this weekend, I think your car is awesome.
I was entered to run a 1/8 mile deal this Sunday but we got 5 days rain landing as of now :?
steve c
"Pretty don't make power"
1980RS
Guru
Guru
Posts: 1636
Joined: Thu Oct 13, 2016 10:03 am
Location:

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by 1980RS »

ChopperScott wrote: Thu Jun 30, 2022 3:39 pm Just a short start-up and walk around video before loading back in the trailer...

https://youtu.be/C0j7gcq5TYY
That car sounds sweeeeeeeeeeeet :mrgreen:
Sure like to see what it would do with a 1050 Dominator on it. Good luck and keep us posted on what it runs.
User avatar
mt-engines
Expert
Expert
Posts: 857
Joined: Fri Sep 27, 2019 12:35 pm
Location: MN

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by mt-engines »

Sounds good.
bob460
Expert
Expert
Posts: 560
Joined: Thu Sep 26, 2019 6:19 am
Location: Australia

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by bob460 »

ChopperScott wrote: Thu Jun 30, 2022 3:39 pm Just a short start-up and walk around video before loading back in the trailer...

https://youtu.be/C0j7gcq5TYY
Idle too low for my liking.........but good luck!
swampbuggy
Guru
Guru
Posts: 1575
Joined: Mon Apr 04, 2011 8:54 pm
Location: central Florida

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by swampbuggy »

Chopper Scott, always keep in mind that with roller lifters...the more you idle the engine the more likely you are to have premature wear in the axle area of the lifter . Mark H.
1980RS
Guru
Guru
Posts: 1636
Joined: Thu Oct 13, 2016 10:03 am
Location:

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by 1980RS »

swampbuggy wrote: Thu Jun 30, 2022 9:50 pm Chopper Scott, always keep in mind that with roller lifters...the more you idle the engine the more likely you are to have premature wear in the axle area of the lifter . Mark H.
What did Joe Sherman always say about that, "I like to idle my engines at 1400rpm to keep from wearing out roller lifters and cams" Joe knew his stuff.
User avatar
CamKing
Guru
Guru
Posts: 10709
Joined: Wed Aug 08, 2007 4:05 pm
Location: Denver, NC
Contact:

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by CamKing »

swampbuggy wrote: Thu Jun 30, 2022 9:50 pm Chopper Scott, always keep in mind that with roller lifters...the more you idle the engine the more likely you are to have premature wear in the axle area of the lifter . Mark H.
That's not the case, if the roller lifters have pressure-fed oiling to the axle.
Any good roller lifter should.
Our roller lifters have 4 oil ports to the axle.
Mike Jones
Jones Cam Designs

Denver, NC
jonescams@bellsouth.net
http://www.jonescams.com
Jones Cam Designs' HotPass Vendors Forum: viewforum.php?f=44
(704)489-2449
ChopperScott
HotPass
HotPass
Posts: 594
Joined: Tue Nov 30, 2021 8:47 am
Location: West Milford, NJ
Contact:

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by ChopperScott »

Thank you, gentlemen. I'm not an expert in premature wear of solid roller lifters, but I do prefer the idle to be higher. This was the first time idling warm after the carb swap. I only pulled it out of the garage moments before. As I was filming, I was thinking the idle was low. I was half expecting it to stall when I snapped the throttle.
'73 Camaro Z/28 NETO/N
434 SBC 11:1, 1.294, 6.178 @ 108.87, 9.81 @ 134.93 (3060#, Naturally Aspirated, Sunoco Ultra 94)
Chopper Air Port 917-589-1278
ChopperScott
HotPass
HotPass
Posts: 594
Joined: Tue Nov 30, 2021 8:47 am
Location: West Milford, NJ
Contact:

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by ChopperScott »

I dropped my trailer/car off at Island Dragway on Saturday. I wanted to run, but unfortunately test and tune was cancelled due to weather. The Nostalgia Nationals were run at on Sunday. I went right into competition with NETO and ran a best of 1.37 60", 6.38 @ 107 in the 1/8, and 10.06 @ 133 in the 1/4. Density altitude was over 2500. Considering my goal is 10.00 @ 135, I think I'm moving in the right direction.
Last edited by ChopperScott on Mon Jul 04, 2022 2:03 am, edited 1 time in total.
'73 Camaro Z/28 NETO/N
434 SBC 11:1, 1.294, 6.178 @ 108.87, 9.81 @ 134.93 (3060#, Naturally Aspirated, Sunoco Ultra 94)
Chopper Air Port 917-589-1278
ChopperScott
HotPass
HotPass
Posts: 594
Joined: Tue Nov 30, 2021 8:47 am
Location: West Milford, NJ
Contact:

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by ChopperScott »

You do not have the required permissions to view the files attached to this post.
'73 Camaro Z/28 NETO/N
434 SBC 11:1, 1.294, 6.178 @ 108.87, 9.81 @ 134.93 (3060#, Naturally Aspirated, Sunoco Ultra 94)
Chopper Air Port 917-589-1278
steve cowan
Guru
Guru
Posts: 2253
Joined: Wed Jul 27, 2011 5:22 am
Location: brisbane AUSTRALIA

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by steve cowan »

ChopperScott wrote: Mon Jul 04, 2022 1:18 am I dropped my trailer/car off at Island Dragway on Saturday. I wanted to run, but unfortunately test and tune was cancelled due to weather. The Nostalgia Nationals were run at on Sunday. I went right into competition with NETO and ran a best of 1.37 60", 6.41 @ 106 in the 1/8, and 10.06 @ 133 in the 1/4. Density altitude was over 2500. Considering my goal is 10.00 @ 135, I think I'm moving in the right direction.
I for one appreciate your effort and sharing, and yes moving in a positive direction.
When people do the work it hopefully helps other people to get after it as well.
Nice job Scott :D
steve c
"Pretty don't make power"
maxracesoftware
Vendor
Posts: 3627
Joined: Sat Feb 14, 2004 4:04 pm
Location: Abbeville, LA
Contact:

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by maxracesoftware »

ChopperScott wrote: Mon Jul 04, 2022 1:34 am IMG_6546.JPG


https://www.yellowbullet.com/threads/ne ... s.2676577/

what's the weight of your Car with Driver as run ??
MaxRace Software
PipeMax and ET_Analyst for DragRacers
https://www.maxracesoftwares.com
User avatar
Rick!
Expert
Expert
Posts: 529
Joined: Fri Jan 01, 2016 4:13 pm
Location:
Contact:

Re: Dyno tuned 434 SBC 11:1 AFR 245 Solid Roller

Post by Rick! »

maxracesoftware wrote: Mon Jul 04, 2022 5:49 am
ChopperScott wrote: Mon Jul 04, 2022 1:34 am IMG_6546.JPG


https://www.yellowbullet.com/threads/ne ... s.2676577/

what's the weight of your Car with Driver as run ??
On an earlier post in this thread he stated 3030lbs on the scale. It would be interesting see your ET predictions and back-calculated engine numbers.
The 26mph back end gain is pretty good.
I've got the car .09 faster in the 60 and 6.16 at 660 using a 5200rpm stall and 6700rpm shift points with average traction conditions at 2500ft. The dyno sheet doesn't run that far so swagged the last dyno point.
With a dialed in launch and perfect shifting, it's a 9.84 car all day.
Good job Scott, you'll hit your goal before the season's out.
Post Reply