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what size carb do i need? #98442
08/02/08 06:20 AM
08/02/08 06:20 AM
Joined: Jun 2006
Posts: 60
iowa usa
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daves72dart Offline OP
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daves72dart  Offline OP
member
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Joined: Jun 2006
Posts: 60
iowa usa
What size carb will i need? I plan on shifting at 7200 rpm's.The specs on my engine is 1972 340 block
Work done: O-ringed, tubed for roller cam, oil gallies enlarged, bored to 4.07
(.030 over) and honed with deck plates by Herb McCandless.

340 steel crank
Prepared by Lunati, stroked .110 to 3.42 stroke and balanced to 8000 rpm's.

340 steel rods
Prepped by Lunati. Hand picked set. All are within .001 of each other in length. Bronze bushed, balanced and lightened.

Heads
340 X heads with 2.08 intake valves and 1.60 exhausts. Double springs for
.700 lift cam, Maximum porting on intake and exhaust ports.Ports are 63cc combustion chambers.

Pistons
Venolia lightweight forged pistons. Uses dykes top ring, 1/16 2nd ring and standard tension oil rings. Weight is 510 grams.the Compression is 11.3

Intake
Holley Strip Dominator ported to match heads

Camshaft
Cam Motion roller 269 275 @ .050 and .631 lift with 1.5 rocker Valves set on .024 .028
RPM range 4500-7500. Cam is degreed in at 104 deg centerline.

Other Parts
High volume Melling oil pump, Comp Cams roller lifters, Crane 1.5 roller rockers(gold), Fluid Balancer, windage tray, Cloyes double roller timing set. SCE copper head gaskets(.060). Tall valve covers for use with roller rockers. Moroso 8 qt deep sump oil pan. Bronze cam gear for use with roller cams.

Re: what size carb do i need? [Re: daves72dart] #98443
08/02/08 02:04 PM
08/02/08 02:04 PM
Joined: Aug 2007
Posts: 902
Seattle, WA
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rss Offline
super stock
rss  Offline
super stock
R

Joined: Aug 2007
Posts: 902
Seattle, WA
Quote:

Other Parts
High volume Melling oil pump, Comp Cams roller lifters, Crane 1.5 roller rockers(gold), Fluid Balancer, windage tray, Cloyes double roller timing set. SCE copper head gaskets(.060). Tall valve covers for use with roller rockers. Moroso 8 qt deep sump oil pan. Bronze cam gear for use with roller cams.





Well considering that you are running a Moroso 8 qt deep sump oil pan, I'd say you need a REALLY big carb.

Sorry, I just couldn't help myself

Re: what size carb do i need? [Re: rss] #98444
08/02/08 05:09 PM
08/02/08 05:09 PM
Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
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RapidRobert Offline
Circle Track
RapidRobert  Offline
Circle Track
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Joined: Nov 2003
Posts: 36,041
Lincoln Nebraska
are you feeling like Rodney Dangerfield?


live every 24 hour block of time like it's your last day on earth
Re: what size carb do i need? [Re: RapidRobert] #98445
08/02/08 07:55 PM
08/02/08 07:55 PM
Joined: Jun 2006
Posts: 60
iowa usa
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daves72dart Offline OP
member
daves72dart  Offline OP
member
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Joined: Jun 2006
Posts: 60
iowa usa
whats that dead.

Re: what size carb do i need? [Re: daves72dart] #98446
08/03/08 10:54 AM
08/03/08 10:54 AM
Joined: Jan 2003
Posts: 1,436
Oklahoma City OK
Cudajon Offline
pro stock
Cudajon  Offline
pro stock

Joined: Jan 2003
Posts: 1,436
Oklahoma City OK
OK I'm guessing you need a 750 Speed/Race/Mighty Demon, But, I'd sure try to borrow a couple of carbs from friends, an 850 and even a 1000 before I dropped the bucks..







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