Torque was all in shorty after idle and pulled to 4000 rpm with no issues. #2 · jul 16, 2023. I drive it about 80 miles a day so if the fuel mileage is gonna die then i probably won't do it. Web the vortec heads were originally used in late 1980s trucks and feature a 64cc chamber and 1.94/1.50 inch valves. Web the vortec's aren't too bad for a 350,but are a tad small being 170cc intake runner(180cc would be better) and are way too small for a 400 which should see around 195 o 225 cc runner.it's all about heads/camming in these sbc's.how much air/fuel in and how much out.the bigger raised runner bowties would be the answer with the matched intake.
1294 posts · joined 2020. Guys, dave dirt reynolds has suggested that we devote some space on the message board to vortec heads. (save $58.50) summit racing™ vortec cylinder heads. These heads do demand their own unique vortec style intake manifold bolt pattern. Web a hot 400 sbc can easily use a head with 200+ cc intake port volume.
The reason i ask is cause i can get a set real real cheap.and i dont have the cash to go through them first. Ships in a few days. My 383 uses 210cc heads with 2.05 intakes. Web vortec heads on sbc 400. The combo needs all the good parts of any other 450 hp engine.
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Like the ones from the last 90's trucks and such? Still had room to go higher, but i did not want to push a fresh engine. 180cc will work ok, but will run out of.
Carbureted 400 sbc vortec heads YouTube
Stock dished pistons, old used edelbrock torker plus cam (similar to performer rpm cam), stock vortec heads (machined to clear extra lift), alum intake. I drive it about 80 miles a day so if the.
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Runs fine on pump gas. Web need more info.but, if you don't mind going vortec, they make for great heads on a mild, street 406, imho. In stock (more than 16 available) estimated ship date:.
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Its got 4 valve relief flat tops, comp 270 cam.470 lift, 224 duration, full length headers, running a performer intake which id still run for the vortec style heads, customized 650 double. Web need more.
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Okay so i have a set of vortec heads. My 383 uses 210cc heads with 2.05 intakes. Has anybody replicated the impersonator build where they built a 406 with 9.5 compression cam was lunati 280/280.
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Your 400 could run even bigger heads. Tons of torque down low that can be accomplished with a mild cam. Web #1 · oct 7, 2017. Im wondering what i kind of gains and compression.
Technical Best heads for A sbc 400 Page 2 The H.A.M.B.
Has anybody replicated the impersonator build where they built a 406 with 9.5 compression cam was lunati 280/280 230/230@0.50 and factory vortec heads and said they made peak torque 525 lbs at 3500 i think.
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Still had room to go higher, but i did not want to push a fresh engine. Web need more info.but, if you don't mind going vortec, they make for great heads on a mild, street.
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Web a aluminum head that flows 260 intake cfm @.500 lift with a 200 to 210 cc intake port is what you should be looking for, this should net you a easy 475 hp with.
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Okay so i have a set of vortec heads. Torque was all in shorty after idle and pulled to 4000 rpm with no issues. Has anybody replicated the impersonator build where they built a 406.
Your 400 could run even bigger heads. 1294 posts · joined 2020. Tomorrow would you rather pick it up? Web here's my 400/vortec combo. Web it comes in at $1,499.41 (plus shipping).
Web need more info.but, if you don't mind going vortec, they make for great heads on a mild, street 406, imho. (save $58.50) summit racing™ vortec cylinder heads. The reason i ask is cause i can get a set real real cheap.and i dont have the cash to go through them first. 180cc will work ok, but will run out of breathe real quick.
Tons Of Torque Down Low That Can Be Accomplished With A Mild Cam.
Cylinder heads are arguably the most important link in the power chain, so it is certainly worth its own dedicated area for discussion. Web the vortec heads were originally used in late 1980s trucks and feature a 64cc chamber and 1.94/1.50 inch valves. I drive it about 80 miles a day so if the fuel mileage is gonna die then i probably won't do it. Web throwing vortecs on a 400 short block.
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Web vortec heads and steam holes on 400sbc. Web in many cases using vortec heads on a 400 plus displacement sbc short block is basically a bad idea if your goal is impressive hp levels, rather than low and mid rpm torque.unless other mods like a different cam and forged pistons and better rods etc. The factory heads are rated around 230 cfm on the intake side so 2 hp per cfm is possible. Stock dished pistons, old used edelbrock torker plus cam (similar to performer rpm cam), stock vortec heads (machined to clear extra lift), alum intake.
Web Vortec Heads On Sbc 400.
Torque was all in shorty after idle and pulled to 4000 rpm with no issues. Okay so i have a set of vortec heads. Can i take heads off of a 99 vortec 350 and have the heads steam hole drilled and just bolt them on to my 400?? 180cc will work ok, but will run out of breathe real quick.
These Heads Do Demand Their Own Unique Vortec Style Intake Manifold Bolt Pattern.
(102) in stock, including at a supplier. Web the vortec's aren't too bad for a 350,but are a tad small being 170cc intake runner(180cc would be better) and are way too small for a 400 which should see around 195 o 225 cc runner.it's all about heads/camming in these sbc's.how much air/fuel in and how much out.the bigger raised runner bowties would be the answer with the matched intake. Guys, dave dirt reynolds has suggested that we devote some space on the message board to vortec heads. Runs fine on pump gas.
Web it comes in at $1,499.41 (plus shipping). Web need more info.but, if you don't mind going vortec, they make for great heads on a mild, street 406, imho. In stock (more than 16 available) estimated ship date: Web #1 · oct 7, 2017. Also any head in the 200 to 210 cc range can latter be ported up to much higher flow levels should down the road you want bigger na power.
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