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-   -   [Z06] Short 102 runners a succes 639wh (https://www.corvetteforum.com/forums/c6-corvette-zr1-and-z06/3796380-short-102-runners-a-succes-639wh.html)

ian08 03-19-2016 12:46 AM

Short 102 runners a succes 639wh
 
Just got home from straightline performance 639wh 543trq car actually gained average power everywhere it even flattened the trq curve last dyno was 605 525

Lumberjack cam
IPS stage 2 heads
12.0 comp 93 Oct
Shortened 102 runners 102 tb full 4"intake
Uncatted kooks homemade axle back
Electric water pump br7 plugs 70lb inj
https://cimg0.ibsrv.net/gimg/www.cor...04e9c7f14.jpeg


https://cimg3.ibsrv.net/gimg/www.cor...d523c17bb.jpeg


https://cimg5.ibsrv.net/gimg/www.cor...aa0b23cab.jpeg


https://cimg6.ibsrv.net/gimg/www.cor...408c79cd5.jpeg


https://cimg8.ibsrv.net/gimg/www.cor...80e289ef6.jpeg

Dan_the_C5_Man 03-19-2016 02:23 AM

Glad it paid off. :thumbs: :cheers:

ian08 03-19-2016 07:55 AM


Originally Posted by Dan_the_C5_Man (Post 1591804824)
Glad it paid off. :thumbs: :cheers:

thanks me to i was nervous

edmundu 03-19-2016 08:49 AM

34/18 gains and only thing changed was the runner length?

Very impressive results! :cheers:

ian08 03-19-2016 08:55 AM

the cats were taken out also and 102TB was added with the custom CIA over the VR intake so its not a true apples to apples but seeing how it changed and smoothed the whole trq curve and the hp curve starts to run away at 4k plus is what tells me it worked i was expecting to loose down low some but it did not that i am pumped about

double06 03-19-2016 08:56 AM

How is it pooping around town
 
Any differences doing just regular driving more bucking etc?

ian08 03-19-2016 08:58 AM

and i should say this is with 1 deg less timing and a tad richer afr then last time

ian08 03-19-2016 09:03 AM

[QUOTE=double06;1591805437]Any differences doing just regular driving more bucking etc?[/QUOTE

the cam is big and has some of that but not bad at all i think the br7 non projected plugs added to that more than the runners did it deff does not drive like a stock car its got a hinson shifter with mounts monster lt1sc its not for whiners

edmundu 03-19-2016 01:08 PM


Originally Posted by ian08 (Post 1591805447)
and i should say this is with 1 deg less timing and a tad richer afr then last time


I have found that once you have timing within range, moving it 2-3 degress does nothing to power output. Only when you are far off MBT, would it be impactful.

If anything, you are better off with less, to protect against bad batch of fuel, hot day, etc...

Dan_the_C5_Man 03-19-2016 02:04 PM


Originally Posted by edmundu (Post 1591806818)
I have found that once you have timing within range, moving it 2-3 degress does nothing to power output. Only when you are far off MBT, would it be impactful.

If anything, you are better off with less, to protect against bad batch of fuel, hot day, etc...

:iagree: :cheers:

gnx7 03-19-2016 03:14 PM

Great gains! Curious what it would look like revving beyond 7200rpm.

Da Z06 03-19-2016 04:05 PM

Nice! Great job!!!

Scotty2000SS 03-19-2016 05:00 PM

Thanks for doing this! This is what it's all about :cheers:

Quicker 03-19-2016 05:22 PM

Thats great to hear man. Makes me want to try that.

ian08 03-19-2016 05:26 PM


Originally Posted by gnx7 (Post 1591807546)
Great gains! Curious what it would look like revving beyond 7200rpm.

its starting to flaten out maybe with different heads or a mild solid roller i think it would still breath up in that 7200-7400 area or alteast carry the power very well who knows maybe ill find out this winter

ian08 03-19-2016 05:42 PM


Originally Posted by Scotty2000SS (Post 1591808128)
Thanks for doing this! This is what it's all about :cheers:

yep yep i could not agree more with u

lt1z 03-19-2016 05:54 PM

Wcf= 1.099?

I would have expected it to be .9X% based upon a 40* night

RamAir972003 03-19-2016 10:22 PM

When you shorter runners did fast make different runners than the original ones that the intake comes with.....thanks

ian08 03-20-2016 08:17 AM


Originally Posted by RamAir972003 (Post 1591809966)
When you shorter runners did fast make different runners than the original ones that the intake comes with.....thanks

These are standard runner that come with the intake I just cut and re shaped them since fast will not release the ask runner sets they have been teasing us with for 2 years now

robz 03-20-2016 12:59 PM

I'm glad it made gains. Thanks for including us in on your project. If you ever drag race it then you'll want to shift it as high as you feel comfy for best performance provided traction, of course.


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