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Old 10-14-2020, 09:20 AM   #21
Tim Ayers
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Default Re: Use of a Big 97 Stromberg Carb.

Quote:
Originally Posted by Charlie ny View Post
Phil,
Rule of thumb from a long time ago is go up no more than two size or ' risk '
upsetting a/f numbers. I slipped a 48 bowl between 97 air horn and base and used #50
jets and a #60 pv to run my '32 p/up...286 cu in....it runs wicked good. I've got some
48 bowls..get back to me at cas5845@yahoo.com if you wish.
Charlie ny
Charlie:

Interesting. I bought a manifold that had two Strombergs with this exact mod. 97 tops and bases and 48 center sections.
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Old 10-14-2020, 09:48 AM   #22
Ol' Ron
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Default Re: Use of a Big 97 Stromberg Carb.

Another carb you might consider is: the 1 1/16 EAC style 94 which was used on the "Y" block engines and has the right vacuum output for the stock dist.
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Old 10-14-2020, 04:05 PM   #23
Phil Gillespie
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Default Re: Use of a Big 97 Stromberg Carb.

Thanks so much for all this info. Now have ruled out the Stromberg big 97 idea.
Its a street vehicle and top speed open road at 60 to 65 mph normally.
So the modified Stromberg with the 48 bowl and 50 jets with the 60pv could be the ticket.
As Charlie suggests, my distributor is the standard crab and is a recent purchase from 3rd Generation. Will put up the specs of the cam I am running for those that understand these things.
Phil NZ
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Old 10-15-2020, 05:06 AM   #24
Phil Gillespie
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Default Re: Use of a Big 97 Stromberg Carb.

My cam specs are:
Grind: B4i-10 Lobe separation: 109.8. Timing: 2 retard. Overlap(@.050") -12.0

iINTAKE
centreline:110.0 tappet lift: .314.
int open @ .050" -5.8 btdc Int adv open:15.8 btdc. duration .050" 207.8 adv duration: 257.7 duration @.200" 131.3 lobe area: 23.87. lash;.012. cam lift at tdc; .0311.
Int close@ 0.50": 33.6 abdc. int adv: close: 61.9 abdc.

EXHAUST.
centreline;109.6. tappet lift:.316.
exh close@.050" -6.2 atdc. exh adv close; 21.3 atdc. duration.050": 208.1
adv duration: 261.6. duration @.200" 131.6. lobe area: 23.92. lash; .012. cam lift at tdc: .0319.
exh open @ .050" 34.2 bbdc. exh adv open: 60.4 bbdc.

hope i got it copied right.
Phil NZ
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