Flogged the motor on the dyno today

nova68-10.5 · **Posted:** Mar Wed 14, 2007 5:49 pm

1KWIK72 wrote:

My little N/A SBC spent the day on the dyno 1.83 hp/ci isnt too shabby. It ended up making just shy of 744hp and 587 lbft. We played with all kinds of stuff: ignition timing, jetting, valve lash, cam timing. Funny part is ya want to know what picked up the most power and tq? 14lbft and over 12hp from a simple piece of duct tape :shock:

We kept tightening the screw on my vacuum relief for the vacuum pump and finally just decided to tape the inlet shut. We got done with the pull and the guy running the dyno was like :shock:

WTF? Looking at the sheets it added about 8" of vacuum which is where the power came from.

Here is the sheet

Here is a video (takes a while to load not for dial up users)
Click here to watch Dyno-pull-31

Craig

bad ass is that a 406" with 18*'s how bout some info on the build ?

1KWIK72 · **Joined:** Oct Thu 28, 2004 4:43 pm **Posts:** 57

406 ci 4.155" bore 3.75" stroke, 14:1 compression, custom Diamond pistons with small dome and huge valve reliefs, .043" back cut top ring .043" 2nd ring and 3mm low tension oil ring, laterally gas ported, BMF 18° heads 268cc runners 2.180 intake valves 52cc chambers, solid roller 278 286 @ .050 .782" . 736" 109lc installed at 105, Jesel belt drive and shaft rockers 1.7 intake 1.6 exhaust, Victor/Glidden 4500 series manifold, Holley HP series 1050 dominator, GZ motorsports vacuum pump, 2" hedman hustler headers 4" bullet mufflers. Did I leave anything out?

Maliboost · **Joined:** Nov Wed 29, 2006 10:55 am **Posts:** 2044

1KWIK72 wrote:

Did I leave anything out?

and a partridge in a pear treeeeeeeeeeeeeeeeeeeeeee. LOL.

sounds like a hot rod. now hit it with the fogger & go & get some!!!!!

Bob

1KWIK72 · **Joined:** Oct Thu 28, 2004 4:43 pm **Posts:** 57

Sorry to dissapoint Bob but this is an all motor deal. The wife won't have anything to do with nitrous. Given that she lets me pretty much do whatever else I want I think I will keep her happy

underdog · **Posted:** Mar Thu 15, 2007 2:35 pm

Still blaming the wife :lol:

Maliboost · **Joined:** Nov Wed 29, 2006 10:55 am **Posts:** 2044

Until you get to the point where valve springs are consumables & only last one MAYBE 2 weekends, & it takes 4 or 5 $1500 converters to figure out what it takes to get it to get it up into the power, then Nitrous looks like a REAL good solution. LOL.

I understand, Im just giving you noise.

Bob

underdog · **Posted:** Mar Thu 15, 2007 2:41 pm

I know exactly to whom you are referencing :lol:

, I don't think Craig wants to run 8.70's Bob.

Maliboost · **Joined:** Nov Wed 29, 2006 10:55 am **Posts:** 2044

are you kidding, of course he WANTS to run that fast, but he also wants to win the lotto, loose 20 Lbs, get a major sponsor that will not only pay the entire bill, but pay him to show up & race.

But...................... the check book says that he will likely not actually be running that fast.............. I think most of us are in that boat. LOL.

Bob

1KWIK72 · **Joined:** Oct Thu 28, 2004 4:43 pm **Posts:** 57

Actually I was pretty close to running 8.70s or so. I was seriously considering sticking an F2 procharger on this motor. But MMM changed the class I was going to run in to an 8 car field and dropped the payout to the same as the class I won the championship in. Throw in the fact that I will have another mouth to feed come July

and I just decided to stick with what works. I can't complain this year I actually made money racing

Craig

underdog · **Posted:** Mar Thu 15, 2007 3:47 pm

Maliboost · **Joined:** Nov Wed 29, 2006 10:55 am **Posts:** 2044

1KWIK72 wrote:

I can't complain this year I actually made money racing

Craig

Double

the only time I did that was...................... Oh NEVER. ROFLOL.

bob

1KWIK72 · **Joined:** Oct Thu 28, 2004 4:43 pm **Posts:** 57

Well I am not saying I got rich by any means my 1040 showed a $14.00 profit from a buisness :oops:

But hell its better than loosing money any day! Between sponsor money and the really really good year I had I was able to cover all the fuel maintenance and entry fees for the season. Winning 2 races splitting the $ from the finals at 4 races and coming in runner up at 2 other races plus a bunch of money finishes bracket racing really added up.

Maliboost · **Joined:** Nov Wed 29, 2006 10:55 am **Posts:** 2044

1KWIK72 wrote:

Actually I was pretty close to running 8.70s or so.

You were running 8.70's on motor? @ what weight?

Bob

1KWIK72 · **Joined:** Oct Thu 28, 2004 4:43 pm **Posts:** 57

No Bob I meant I was pretty close to building a motor that would get me into the 8.70s (or better) range. I decided to just stick with what I got. We found about 20hp or so on the dyno I am expecting some high 9.50s in decent air this season @ 3180lbs

BBNovaRacing.com

Flogged the motor on the dyno today

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