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Old 02-12-2009, 11:05 AM
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any help appreciated

building a sbc 383 stroker, this is what i have so far, any help would be greatly appreciated

Motor so far:
-1 piece block
-6" forged "I" beam rods
-flat top forged probe pistons (10.5 to 11-1 comprssion)
-planning on AFR 210cc heads (2.08 intake, 1.6 exhaust, 65cc combustion chamber)
-750cfm holley dp
-no intake yet

Drivetrain
-700r4 tranny
-not sure what stall yet but prly 2500 (want it streetable)
-373 rear end gears
-car weighs 3600lbs with driver

any advice on valvetrain would be great, what cam? what rockers? etc.

thanks in advance, Rylan

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Old 02-12-2009, 11:17 AM
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my 350 ran great with an Edelbrock RPM cam and a TCI 11" Breakaway converter.I was using a set of Dart Iron Eagle 215 with 2.05 in1.60ex. and a Victor jr.VERY STREETBLE and alot of neck snapping fun!
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Old 02-12-2009, 02:04 PM
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Quote:
Originally Posted by TroyBoy
my 350 ran great with an Edelbrock RPM cam and a TCI 11" Breakaway converter.I was using a set of Dart Iron Eagle 215 with 2.05 in1.60ex. and a Victor jr.VERY STREETBLE and alot of neck snapping fun!
sounds kinda like a similar setup, how much power do you figure you were running?
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Old 02-12-2009, 05:30 PM
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Well....I kinda patterned it off Edelbrocks RPM kit that says 425hp.My Desktop Dyno (I know,I know-You can't race computers.) said about the same.I figure it should be close because my heads are better(flow and valve size)and I was using a better intake ,IMO.Don't know really,but it ran like snot I'm going to freshin up my 388 I got from a buddy and transfer all my stuff to it.Summit sells a cam identical to the RPM cam,so I figure I'll use their next bigger cam because of the extra cubes.
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Old 02-12-2009, 05:43 PM
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I recently built a 400 sbc for my dad with a ported set of old Dart 2 heads with 10.8 :1 compression. We used an Edelbrock RPM intake and a Comp Cams 280/290 XFI hydraulic flat tappet cam ground on a 110 LSA. Through exhaust manifolds it has run a best of 11.53 in a 3300# with driver S10 truck. I think it is making around 410 hp. It pulls good vaccum and is streetable. A cam like this might work for you.
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Old 02-12-2009, 10:43 PM
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Quote:
Originally Posted by RustoRod
Comp Cams 280/290 XFI hydraulic flat tappet
that sounds like a pretty agressive cam. how did it idle?
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Old 02-13-2009, 01:45 AM
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It idles around 900 and pulls plenty of vaccum for power brakes. The specs at .050 are 236/241 and the lift with 1.6 rockers is .552/.547. We are running a 10" converter that flashes to about 4,000 and 3.55 gears.
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Old 02-13-2009, 08:31 PM
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anyone else have opinions??
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Old 02-13-2009, 09:54 PM
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i like the performer rpm cam i think it would do pretty good.

btw troyboy wich summit cam matches the rpm cam? i couldnt find it
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Old 02-14-2009, 09:00 AM
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Part #SUM-1107.Upon further examination that I somehow missed,the Summit cam is 292/302 @.050 and the Edelbrock is 308/318 @.050 but they have the same" listed "duration.Also,the Summit cam has a wider L/S @ 114 vs Edelbrocks 112 L/S.Sorry about that.
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Old 02-14-2009, 12:50 PM
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Rylan, why do you feel the need to run so much compression?
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Old 02-14-2009, 01:03 PM
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trying to get as much n/a power i can.
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Old 02-15-2009, 10:10 PM
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Quote:
Originally Posted by techinspector1
Rylan, why do you feel the need to run so much compression?
why do you ask??
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Old 02-15-2009, 11:27 PM
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Quote:
Originally Posted by 86 red dragon
why do you ask??
Never mind, it's not important.
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