New hammer what will it run?
- Thread starter MHEAD
- Start date
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33IMP
Well-Known Member
Wallace says 9.98/135 with that power and 3170 at the line.
I think 10.10s. (Unless there is chassis and or suspension upgrades) I've seen the 9.99 be a fickle number. Lol.
33IMP
Well-Known Member
Well, I've been low 6.30s, 1/8th, with a lot less power than that....... but I was almost 700 lbs lighter, lol.
But I agree, everything has to be right to run the hypothetical best.....but I still see 10.30 first time off the trailer........
But I agree, everything has to be right to run the hypothetical best.....but I still see 10.30 first time off the trailer........
B3422w5
Well-Known Member
East coast mineshaft air can get really good.
Gonna stick with my mid 10.40’s in typical summer air. Maybe high 20’s low 30’s in mineshaft air.
I honestly don't see trick flow heads and a flat tappet making much if anything over 600 track backed up horsepower.
I figured my old W5 deal when i had it made an honest 640 horsepower. It went 9.80’s at 135@3350 pounds.
That was 13 to 1 with a 273@50 roller.
It later made more horsepower and went faster, but the above is an honest 640 on a well sorted 3350 pound car.
At 3170 it should do the above easy making anywhere close to 640. Just don't remotely see it.
Gonna stick with my mid 10.40’s in typical summer air. Maybe high 20’s low 30’s in mineshaft air.
I honestly don't see trick flow heads and a flat tappet making much if anything over 600 track backed up horsepower.
I figured my old W5 deal when i had it made an honest 640 horsepower. It went 9.80’s at 135@3350 pounds.
That was 13 to 1 with a 273@50 roller.
It later made more horsepower and went faster, but the above is an honest 640 on a well sorted 3350 pound car.
At 3170 it should do the above easy making anywhere close to 640. Just don't remotely see it.
So it likes 32 degrees of timing the best.
I ended up with .613 lift at the retainer with 1.6 rocker.The 1.5 rocker was very close on the head.
It ended up being 12.79:1.
The kevco pick up was so warped I could see it wasn't flat so put at straight edge on it.Wow is all I can say. Couldn't even bolt it down.Rotor would hit.
The e85 is the first for my dyno guy and he had to make some calls to set up his system.Funny that not everyone was helpful once he said it was on the dyno but we think it's close.I ran the pro system e85 in my car and had exhaust temp guage reading 1200 degrees so very close.My son just bought the e85 750 quick fuel.
I think 112 gas would have been better for the combo after looking at the plugs,timing changes and power.
My headers are not as good and I have mufflers so I'm expecting to loose some.Low tens will be sweet.
-1300 foot adjusted altitude at the start of eliminations yesterday (Gainesville Fl). I don’t think it went above sea level all day long. Talk about mineshaft air.
MHEAD are you running a B3 geometry correction kit?
Yeah that's like the best we see in November.
No if I had more time I would have done the correction, unshroulded the valves and flowed the intake.I keep telling my self we are bracket racers not heads up.
Gotcha that's one way to look at it. The other is the stability from the correction is good insurance for us lower budget bracket guys. .040" seems like a lot of lift to give up. But I get it when you are on a time line ya gotta get er done. Time to get it down the track. Congrats on having it completed and ran on the dyno.
PRH
Well-Known Member
Nice job.
Good to see some dyno numbers from what I would call a representative “bracket race” combo.
Good to see some dyno numbers from what I would call a representative “bracket race” combo.
I think there is a race to be had? Still tuning to better times. But new SB build Dakota vs BB Duster? I so rarely run up against a Mopar. Lol.
mopar65
Well-Known Member
First great numbers on the new engine. Wow thanks for posting about the pick up tube being bent. I better look at mine before I put it in..sorry if I missed it but, how much milling did it take to make the plate flat?
I agree.
What brand wide band are you using and numbers you shoot for on e85?
I use an AEM wideband (got it through Summit for ~ $150). As far as e85 tune, my car likes 0.77-0.80 Lambda at WOT.
Thanks
So just a little update,
Son made over 200 passes this past year.Everything stayed together so that was a blessing in it self.
He bought a qf 750 e85 and we finally got it to not stumble leaving with just installing blue pump cams on both sides.
Front springs that was on the truck someone we believe heated to lower it got replaced with some 18'" Landrum springs.This helped greatly thanks to a fellow racers combo and advice.
Here is the best at mir with 150' corrected elevation
View attachment 1716052070
Son made over 200 passes this past year.Everything stayed together so that was a blessing in it self.
He bought a qf 750 e85 and we finally got it to not stumble leaving with just installing blue pump cams on both sides.
Front springs that was on the truck someone we believe heated to lower it got replaced with some 18'" Landrum springs.This helped greatly thanks to a fellow racers combo and advice.
Here is the best at mir with 150' corrected elevation
View attachment 1716052070
Decided to make a new set of headers.
Old headers was something I fabbed up quick to get at the time my 18 year old drag racing.They was old 1 3/4" hookers 5204 I believe.After pulling them off this winter I'm realizing how bad they are.One header is 4" longer than the other and so on.Any how I fabbed up some new ones that are bigger,straighter radius out of head and same length.I will say it sound wicked but I'm thinking it was because of the f'd up headers
Old headers 1 3/4×3" with 3" race dynomax mufflers
New 1 7/8"×3 1/2" open
I started it up the other day and it sounds like a different vehicle.So much smoother.
Old headers was something I fabbed up quick to get at the time my 18 year old drag racing.They was old 1 3/4" hookers 5204 I believe.After pulling them off this winter I'm realizing how bad they are.One header is 4" longer than the other and so on.Any how I fabbed up some new ones that are bigger,straighter radius out of head and same length.I will say it sound wicked but I'm thinking it was because of the f'd up headers
Old headers 1 3/4×3" with 3" race dynomax mufflers
New 1 7/8"×3 1/2" open
I started it up the other day and it sounds like a different vehicle.So much smoother.
Rat Bastid
Dunamis Metron
How long are your primary tubes?
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