New Best

Posted By: brktracr

New Best - 08/23/09 05:22 PM

After finally completing the 528" Friday night, went up to Barona Saturday night for some testing. Made 3 passes, 1st pass 6.10 @ 111 with a 1.31 60ft, 2nd pass 6.09 @ 112 with 1.32 60ft and 3rd pass 6.07@112.8 with 1.32 60ft. We didn't do any tuning yet, so I'm pretty sure there a couple more hundredths in it. Overall, very please with the way the sled ran. Previous best was a 6.32 but that was only a 500 c.i.

Posted By: RonP

Re: New Best - 08/23/09 05:32 PM

Thats great Durand. I am glad to see you got it out. It is moving for sure.

Posted By: ProSport

Re: New Best - 08/23/09 05:34 PM

Awesome, looks to be around 9.59 in the 1/4.

Posted By: G_bob

Re: New Best - 08/23/09 05:36 PM

Congrats, looking forward to seeing that thing run again.

Posted By: brktracr

Re: New Best - 08/23/09 05:51 PM

So was I, looking forward for a very long time but it sure felt good getting that first pass under the belt.

Posted By: tjmarcus1

Re: New Best - 08/23/09 05:54 PM

congrats! care to tell us about the motor??????

Posted By: brktracr

Re: New Best - 08/23/09 06:03 PM

It is a 528" world block, 4.50 bore with 4.15 stroke, around 14.5 to 1 compression. Ross gas ported piston with the light tension ring pack. Scott Brown roller cam, 720/705 lift with 276/284 @ .050 and 113 lobe separation. Indy SR head ported by Brian at IMM in Indio. Pro System build 1150 cfm carb. 727 tranny with 4.56 gears. This combo is pushing 3100 lb Duster down the track pretty good.

Posted By: Diego_Ted

Re: New Best - 08/23/09 06:15 PM

Way to go D was looking for you on friday night? LOL

Diego

Posted By: cudabunch

Re: New Best - 08/23/09 06:19 PM

Very good

Posted By: brktracr

Re: New Best - 08/23/09 06:25 PM

Ted,
We were still fighting a vacuum pump problem, obviously got it figured out, so it was Saturday. Sorry I missed you up there. RJ told me about it. Nice work

Posted By: 440Jim

Re: New Best - 08/23/09 06:40 PM

Quote:

... 3rd pass 6.07@112.8 with 1.32 60ft.

Nice going. Adding those 28 cubic inches did its job. It must feel good to run the new motor too. A successful outing.

Is that cam lift with 1.5 or 1.6 ratio?
I bought a used SB roller cam very similar (but not exact).
278/284, 0.460"/0.450" lobe lift (0.690"/0.675" with 1.5), 113 LSA. I have a flat tappet solid lifter cam in my engine right now( 279/287, 0.433"/0.420" lobe lift, 110 LSA).

Posted By: Diego_Ted

Re: New Best - 08/23/09 07:45 PM

RJ's boys took it to the Wang boys in the Black stang it was a heck of a run!! Glad to hear you got the beast down the track with some kick arrrse results!!

I am going to try and get the pump on the ol bag this week myself!!

Posted By: Cab_Burge

Re: New Best - 08/23/09 09:18 PM

Quote:

So was I, looking forward for a very long time but it sure felt good getting that first pass under the belt.

Was this motor ran on a engine dyno before putting it in the car? If not it will be interesting to see how many runs it takes before settling in and stop speeding up and getting quicker, breaking in all the way in other words

Good results, what is the track elevation at Barona?

Posted By: hemi-itis

Re: New Best - 08/23/09 10:11 PM

Congrats!How 'bout some new pic,s to go with the new best??That's haulin da mail

Posted By: Diego_Ted

Re: New Best - 08/23/09 10:20 PM

Quote:

Quote:

So was I, looking forward for a very long time but it sure felt good getting that first pass under the belt.

Was this motor ran on a engine dyno before putting it in the car? If not it will be interesting to see how many runs it takes before settling in and stop speeding up and getting quicker, breaking in all the way in other words Good results, what is the track elevation at Barona?

corrected Density Altitude: 3269 feet
Relative Density: 90.78 %

Posted By: brktracr

Re: New Best - 08/24/09 12:50 AM

Jim,

The rockers are 1.5 Harland Sharps

Cab,
The DA for the 3 runs ranged between 4800 and 3600

Posted By: Cab_Burge

Re: New Best - 08/24/09 01:49 AM

I race one night at Barona after testing and tuning at Carlsbad, I can't remember the actual track altitude at Barona

Posted By: brktracr

Re: New Best - 08/24/09 12:59 PM

Cab,
Actual altitude is 1650' but we never get to see a DA even close to that. Best DA I remember there was around 2500'.