which cam for this set up?
#1
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383ci with 5.7" rods,flat top with 2 valve reliefs,10.7 compression,Brodix track 1 2.08/1.60 .700" max lift 67cc heads,1.5 roller rockers,air gap performer rpm,850 dp,3200 stall,3.73 gears,26" tires on 92 Z28 it had 236/242 .520"/.540" on 110lsa when the heads were Edelbrock E-tec 200 but now it has bigger heads and big ***** thumpr cam 243/257 .533"/.519" on 107lsa I cant tune the car with this cam so I will change it and I came up with these 2 cams :
08-443-8 (242/248 .540"/.562" 110LSA 2,800-6,100 Xtreme energy)
or
08-468-8 (242/248 .584"/.579" 113LSA 2,200-6,200 Xtreme fuel injected cam )
which one you would go with?
08-443-8 (242/248 .540"/.562" 110LSA 2,800-6,100 Xtreme energy)
or
08-468-8 (242/248 .584"/.579" 113LSA 2,200-6,200 Xtreme fuel injected cam )
which one you would go with?
#4
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That sounds similar to my 383 for my 70 Chevelle. Mine has brodix track 1's, 11.5:1 compression, a super victor single plane, 750hp holley carb, lunati 248/248 110 .592 .592 solid roller cam. I wouldn't pick either of those 2 cams you listed. You should have someone spec a cam out for you and get the lift around .600 where those heads really flow. I bet she runs pretty hard! These old sbc's really like alot of cam, but it just depends what rpm you want to turn.
#5
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^Agreed, youll make alot more power with a good amount of lift on those heads. I would suggest a cam right around .600 lift and around 244/252 on the duration, also keep it on a 108 as long as you are staying na with it.
#6
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^Agreed, youll make alot more power with a good amount of lift on those heads. I would suggest a cam right around .600 lift and around 244/252 on the duration, also keep it on a 108 as long as you are staying na with it.
#7
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That sounds similar to my 383 for my 70 Chevelle. Mine has brodix track 1's, 11.5:1 compression, a super victor single plane, 750hp holley carb, lunati 248/248 110 .592 .592 solid roller cam. I wouldn't pick either of those 2 cams you listed. You should have someone spec a cam out for you and get the lift around .600 where those heads really flow. I bet she runs pretty hard! These old sbc's really like alot of cam, but it just depends what rpm you want to turn.
and thats what I really wanted a cam that has over .600" lift and its a hydraulic roller cant afford solid roller lifters now I found this cam 08-470-8 it has .600" lift but I dont know should I go with solid roller or stay hydraulic roller?
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#8
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For a street car I don't really think solid roller is worth it. You can make great power with a hydraulic roller setup and still turn 7000 rpm if you want. I was in HS when I built my engine and I found an awesome deal on ebay for my setup... $190 for new solid roller cam and lifters! I have full 4340 forged, studded motor that I have a NOS big shot kit for 300-400hp shot. I have a friend who also built a 383 with ported track 1 heads the big brodix single plane intake. He went for more of a NA setup but it has a huge solid roller cam 25x/26x something duration with over .630" lift. He runs a built 700 r4 but he has not had his car running long, less than 1000 miles on the setup.
#9
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If it was my setup, I would run the old 236/242 cam. 1. Because it's already paid for. 2. It's driveable and proven to work well. 3. I would add 1.6 roller rockers and sell the 1.5's if you can. The 1.6 rocker will make the lift jump to .550"/.570" and the ratio actually makes the camshaft act like it's 2-3 degrees longer in duration. So it would be like a 238/245 duration. roughly. I think this will work better than the larger cams because of the Dual plane intake and the 3200 stall. If you want a big nasty cam, you should also do a big nasty single plane intake, and a 4200-4500rpm converter, and sticky tires...still not sure what tire you are on....
This time around for my weekend warrior I was given 259/263 @ .050". 112 LSA, .664"/.664" Lift, Installed on a 106 Intake centerline. .014" lash solid roller. 11.5:1 Comp. 396 SBC.. works really nice to far!
Spins hard to 7300'ish.. Will be dyno'ing it this week if all goes according to plan. Goodluck!
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This time around for my weekend warrior I was given 259/263 @ .050". 112 LSA, .664"/.664" Lift, Installed on a 106 Intake centerline. .014" lash solid roller. 11.5:1 Comp. 396 SBC.. works really nice to far!
Spins hard to 7300'ish.. Will be dyno'ing it this week if all goes according to plan. Goodluck!
#10
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some dude that has camaro 94 offered me a twice original price for the 236/242 so I let it go long time ago so I only have the big ***** stupid thumpr I think I will go with 08-443-8 I need some intake vacuum for the brakes and I will look around for used 1.6 roller rockers that clears 1.550" springs