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Off to willowbank

Started by _waz355_ , Dec 13 2008 09:39 PM

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#51 _waz355_

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Posted 23 February 2009 - 05:41 PM

^^^^^Yeah agree 100%

Thats a sweet photo wayne.

What tyre pressures do you run?

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#52 _Herne_

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Posted 23 February 2009 - 05:48 PM

snip
try leaving from idle & see if it has any effect on your 60ft times, the convertor will still flash to 2500rpm thats where it's lock up point is, this should also hit the rear tyres harder causing them push the car forward, also play around whith tyre pressure's.

Our LC runs a 5000rpm stall convertor & we also run a trans-brake running through a 2-step, which allows me to select the RPM at which i what to leave the start line at, currently we are leaving the line from 3000-3400rpm (depending on track conditions) any higher & it hits the tyre's to hard & wheel spins instead of pushing the car forward, & thats with a std Torana rear end.
Just my thoughts, Cheers
Wayne

All good info OLC383 thanks for that I too was wondering as my car pushes though the front brakes too. I put it down to torque but wasnt sure. ( 355/Tri with 2500 stally )

A big help. TY as i was thinking there is no way I can load this thing up without breaking a cherry

Herne

Edited by Herne, 23 February 2009 - 05:49 PM.

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#53 _OLC383_

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Posted 23 February 2009 - 05:56 PM

Any where between 10 to 11 psi, most of the time its 10.5psi then depends on track conditions as to weather we go up or down .5, when the track is good go up .5 -1 psi & for a shit track go down .5-1 psi to try & help get a bigger foot print on the track surface, we run a 26 x 8.5 / 14" Micky Thompson slick, although im thinking of stepping up to a 26 x 10 / 15, as the the trans-brake launches hits the small tyres to hard & i need a bigger foot print but it means modifiying the inner tubs AGAIN..
Wayne

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#54 _waz355_

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Posted 23 February 2009 - 08:17 PM

I will be back at the track soon. Have just rebuilt my turbo 350, put all the good bits in it. TCI full manual valve body etc. So should be a lot quicker now as it won't slip into top. Hoping to run between 11.2 and 11.4.

Just have to get time to put the box back in, hoping to have it going by the end of the week though. Making a few suspension changes as well - new shocks front and rear and raising the front a couple of inches.

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#55 _HRV74_

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Posted 23 February 2009 - 09:21 PM

Thanks for the advice Wayne, you've explained things in a way that even I can understand! Great lauch pic too :spoton:

Waz, 11.87 is awesome considering your terminal speed of 102! Can't wait to see what she does on a trouble free run.

Cheers
Harve

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#56 _Terrible One_

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Posted 02 March 2009 - 11:10 PM

Wow really good times. Didn't really think about what time I could do in my LJ but been thinking lately...have to make it out there and probably pick up the pieces of my diff off the start line.

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#57 _OLC383_

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Posted 04 March 2009 - 11:34 AM

Terrible one,
What combination are you running in the mighty LJ
Wayne

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#58 _Terrible One_

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Posted 05 March 2009 - 06:11 AM

Turbo 202, dyno'd around 260rwhp on 10psi (very soft tune), now running 13.5psi so its closer to 290-300hp. Fully built trimatic, 2800rpm converter and 2.78 Bango. In a few weeks a BW diff with around 3.5ish gears. I think I could get into the 12's fairly easily but who knows!

Once I get the diff and a few other things sorted I'll go back for a re-tune on 1bar and see how much it makes.

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#59 makka

A m��se once bit my sister

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Posted 06 March 2009 - 07:54 PM

hey waz, whats the spec of your motor?

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#60 _waz355_

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Posted 07 March 2009 - 08:34 AM

hey waz, whats the spec of your motor?

Turbo pattern 308
Stroked to 355
Bored 60 thou - makes it 360 cubic inches
Did have Scat crank, now have eagle crank and scat rods
Venolia pistons
Waggot solid cam (610 lift, 260 @ 50thou duration, 290 total)
Solid lifters, adjustable yella terra platinum rollers with 7/16 studs and guide plates
Crow crome moly one piece push rods
RPM alloy EFI heads (flow 500hp)
Crow double valve springs
Full ARP stud kit in mains and heads
High volume oil pump
Hi energy sump
Harrop single plane manifold
Barry Grant 750 demon.
Block has been 0 decked and line bored
10.8:1 compression ratio
Pacemaker extractors with a twin 2 1/2 system
MSD CDI ignition
Desert cooler radiator with twin thermos

Thats about it. Made 341hp at the wheels a couple of months ago, but have since ironed a few more bugs out of it and is going better so I would expect over 350 at the wheels.

Edited by waz355, 07 March 2009 - 08:35 AM.