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#1
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who here races with exhaust manifolds?
Hi - My 69 Chevelle has manifolds and was thinking of getting her to the track BUT.... was interested to see what folks are running ET / MPH wise with stock or ported exhaust manifolds... anyone?
On a side note, my car looks like a stock 396/350 hp car but dyno'd 450hp/530 tq with cast iron GM intake & a Qjet (albeit with dyno headers)... |
#2
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Re: who here races with exhaust manifolds?
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69 300 Deluxe Post Sedan Frost Green 69 SS396 300 Deluxe Post Sedan Lemans Blue SOLD 70 Buick Skylark Post Sedan Gulfstream Blue 70 Buick Skylark Post Sedan Burnished Saddle http://m.youtube.com/watch?v=PM3DE8qI2NY https://m.youtube.com/watch?v=Yn4xEmGypUw |
#3
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Re: who here races with exhaust manifolds?
Yeah I know but asked for some advice over there but didn't get any sort of response....
That said, I only want to run low, low 12s... If I could do that with unported manifolds it'd be a bonus. *Spoke to Greg Gessler and he has zero room to accomodate any further manifolds for porting due to time.... |
#4
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Re: who here races with exhaust manifolds?
i watched a stock ZL1 on the dyno it made 430 hp with manifolds we tried headers and it was a hole differant animal on the first pull it made 518 hp.i had my manifolds for my car ported by the vorteck pro.
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69RS Z/28 first cowl hood car built 12C 69RS Z/28 X33 RED/RED 69RS Z/28 VE3 -- STRIPE DELETE OIRG PAINT 69 L78 X22 convert survivor VE3 ,POP 70 HEMI CUDA ORIG PAINT 19K MILES 70 LS6 M22 4.10 4k Miles Black time capsule Bill Hunter Yenko |
#5
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Re: who here races with exhaust manifolds?
<span style="font-style: italic">.... was interested to see what folks are running ET / MPH wise with stock or ported exhaust manifolds... anyone?</span>
'70 Chevelle LS6/M22/4.56 pure stock rules: 12.2 @ 108 mph
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Sam... |
#6
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Re: who here races with exhaust manifolds?
Been racing Pure Stock since '99...car has ran a best of 11.72 @ 118 so far @ 3700+ lbs...L72/400/4.56 Yenko Camaro.
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#7
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Re: who here races with exhaust manifolds?
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Chevy454</div><div class="ubbcode-body">Been racing Pure Stock since '99...car has ran a best of 11.72 @ 118 so far @ 3700+ lbs...L72/400/4.56 Yenko Camaro. </div></div>
Thats a real good mph for manifolds..... Are they untouched or extrude honed or ported? |
#8
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Re: who here races with exhaust manifolds?
Untouched, other than a shot of "Cast Blast" spray paint...
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#9
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Re: who here races with exhaust manifolds?
Hi fellow Canadian.
Plan to attend PSMCDR in September everyone I have met there has been great, I bet they would share lots of information to help. Ryan If you need directions follow me, I will be attending as a spectator again this year.
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1969 Beaumont 350 Auto White Sold 1969 Beaumont 307 Auto Green Sold 1969 Chevelle SS 396-L35 Auto Blue Sold 1969 Oldsmobile Cutlass 'S' Sports Coupe W31 |
#10
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Re: who here races with exhaust manifolds?
Protree, its Vortecpro, get it strait.
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