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Old 06-22-2008   #1 (permalink)
gelo is offline Rookie

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Default best camshaft for 393 stroke windsor?

i just star putting my engine together,but still need to decide what cam am i going to use,and this is my setup
83 351w stroke to 393 or 396 I am not sure
crankshaft is 3.85 stroke
stock connecting rod 5.96
forged dish pistons
world windsor jr. heads
super victor intake
holley 750cfm carburetor
am I still have a stock c6 tranny
the low gears is 3.73
any help about chosing the right cam and a torque converter thanks
thanks thanks
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Old 06-24-2008   #2 (permalink)
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You didn't say what compression you're running, but I give it a stab. First of all, since I'm not into auto trannys, please take my advise with a grain of salt. There are two week points that I see with your combination. One being the stock connecting rods, the other is the stock tranny.

That being said, the 351 stroker motors are torque monsters, so you need a cam and converter that takes full advantage of this factor. Some things that you must consider when selecting a cam is how streetable do you wish the car to be. Factors such as tire diameter, vehicle weight, tranny gear ratio, etc.

However, the general rule of tumb is to get a cam that has the highest lift with out sacrificing the balance between duration and lobe separation. In other words, you want lobe overlap. Most streetable combinations use a 112 degree lobe separation.

I suggest that you contact cam manufacturers such as Crane, Comp, Isky, Lunati, Crower and the other cam manufacturers for advise. They will need to know your setup, including compression ratio (which I suspect it will be 10.5:1 or less if you're running).

A word to the wise. Always buy the complete kit which would include lifters, valve springs, etc. Failure to do so can not only adversely affect performance, but could cause costly repairs. Also, don't forget to degree the cam, because just lining up the timing marks could affect top end or lower power.
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‘88 LX Hatchback: 351 stroked to 408 w/4 bolt mains & steel crank, 12.5 :1 forged pistons, Cartech “Bread Box” upper/Edelbrock lower(ported and polished), BBK 75 mm Mass Air w/120 lb injectors, Dart II ported, polished O-ringed 2.02/1.60 heads, Custom Competition Cam hydraulic roller w/Roads lifters, Hypertech custom chip, 1100 hp Aeromotive Competition fuel kit, 9” w/ 4.86’s, Tremec T56 six speed, , Hotchkis performance suspension, 400 shot of nitrous. Passes emissions running E85.
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Old 06-24-2008   #3 (permalink)
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By the way, if you don't mind having a very radical sounding idling machine, you should take a look at Comp Cams Thumpr Cams series. With stroked 351W, 2500 stall and 10:5 compression. You should have one mean muther

I have a custom radical version of this cam, and most of the guys with so call hot machines have backed down just because of the way it idles.
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‘88 LX Hatchback: 351 stroked to 408 w/4 bolt mains & steel crank, 12.5 :1 forged pistons, Cartech “Bread Box” upper/Edelbrock lower(ported and polished), BBK 75 mm Mass Air w/120 lb injectors, Dart II ported, polished O-ringed 2.02/1.60 heads, Custom Competition Cam hydraulic roller w/Roads lifters, Hypertech custom chip, 1100 hp Aeromotive Competition fuel kit, 9” w/ 4.86’s, Tremec T56 six speed, , Hotchkis performance suspension, 400 shot of nitrous. Passes emissions running E85.
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Old 06-26-2008   #4 (permalink)
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thank for helping a new people thanks again
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