432" SBF build.

General engine tech -- Drag Racing to Circle Track

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cjperformance
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Re: 432" SBF build.

Post by cjperformance »

xanadu wrote: Thu Mar 28, 2019 10:04 pm Yes please :D
zaneabel@hotmail.com
Just sent it mate, let me know if it works ok. Cheers,
Edit,, p.s. if you know how to post/link it here please feel free to do so.
Craig.
xanadu
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Re: 432" SBF build.

Post by xanadu »

Got the vid thanks Craig, my little iPhone 4 is t able to get it on here
Though. Hehe. Still stuck in the dark ages 👍
cjperformance
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Re: 432" SBF build.

Post by cjperformance »

xanadu wrote: Thu Mar 28, 2019 10:58 pm Got the vid thanks Craig, my little iPhone 4 is t able to get it on here
Though. Hehe. Still stuck in the dark ages 👍
Cool at least i know it works!
Craig.
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Re: 432" SBF build.

Post by cjperformance »

We did a convertor swap in this a couple months ago, this was worth just over 2 tenths on the 1/8th best et now 6.127 , havnt run 1/4 mile with this convertor as yet but will soon enough.
He got another runner up last weekend so is happy.
Next year im keen to do an engine strip/check and some new pipes as the current pipes are still from the old 302 combo and to say they have a poor port match would be an understatement !
Craig.
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Re: 432" SBF build.

Post by tuffxf »

Well done Craig!
treyrags
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Re: 432" SBF build.

Post by treyrags »

What did you change on the converter?
cjperformance
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Re: 432" SBF build.

Post by cjperformance »

treyrags wrote: Mon Oct 14, 2019 2:08 pm What did you change on the converter?
The old convertor was 10" and had 5200 static stall.
New convertor is an 8" with 5800 static stall.
The old convertor felt very tight up to its stall speed and was not very reactive. Would suit a 3 speed trans better(this car runs a Powerglide).
New convertor is far more reactive. The 2 tenths better ET is evident across the 60' area and is maintained throughout the entire run.
Im sure Mat would have GoPro footage of flash rpm on the old convertor and hopefully next meeting the GoPro is refitted so we can see exactly what the new one does flash to.
Craig.
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