Cam Question
Cam Question
I have a 455 bored .030 over with c heads, edelbrock performer intake, hei distributer, that i'm building. my car is a 1970 cutlass S 3.73 rear end gears a 200r4 with a 3000 stall converter. right know i have a fireball camshaft that i cant find the specs on. if anyone knows about the cam. do u think the cam is good enough or can u help suggest me a cam?
i want a good car that i can take to the track once in awhile. have a good looking car just want it to be as fast as it looks.
thanks.
i want a good car that i can take to the track once in awhile. have a good looking car just want it to be as fast as it looks.
thanks.
Who makes that "fireball" cam? I see that Crane makes the Fireball cam. Go to the Crane site and it'll tell you. If you don't post it soon, I'll look it up, just have some things I have to do right now.
Hey, and I like the 200R4 tranny, that's the way to go.
Hey, and I like the 200R4 tranny, that's the way to go.
Last edited by Texas Jim; Oct 28, 2010 at 04:29 PM.
Most of the Fireball stuff is in the 220 range @ .050 and more often than not it's a single pattern.
Compression ratio? Headers? Manifolds? How much lift will your springs take?
You have a lot of options. Depending on your comp ratio I'd go with something in the low to mid 230 @ .050 range on the intake and around 240 or so on the exhaust if you have headers more duration on the exhaust if you don't, on a 110 for headers, 112 if not.
IMO get something ground for you, I can do it, Comp does it, Lunati does it, and it's just a few bucks more.
Compression ratio? Headers? Manifolds? How much lift will your springs take?
You have a lot of options. Depending on your comp ratio I'd go with something in the low to mid 230 @ .050 range on the intake and around 240 or so on the exhaust if you have headers more duration on the exhaust if you don't, on a 110 for headers, 112 if not.
IMO get something ground for you, I can do it, Comp does it, Lunati does it, and it's just a few bucks more.
i dont know the compression ratio, i do have long tube headers, the spring are after market i was told the C heads were built by mondello
314 is probably the advertised duration, they were pretty lazy back then.
If you have at least 10.0:1 I'd go with something like a 236/244 on a 110 on at 106 or a little less duration but on a 108. Put some lift in it though, that'll give it longer legs without affecting the low rpm much at all.
By the way, have you thought about going with a hydraulic roller?
If you have at least 10.0:1 I'd go with something like a 236/244 on a 110 on at 106 or a little less duration but on a 108. Put some lift in it though, that'll give it longer legs without affecting the low rpm much at all.
By the way, have you thought about going with a hydraulic roller?
Last edited by cutlassefi; Oct 28, 2010 at 07:44 PM.
314 is probably the advertised duration, they were pretty lazy back then.
If you have at least 10.0:1 I'd go with something like a 236/244 on a 110 on at 106 or a little less duration but on a 108. Put some lift in it though, that'll give it longer legs without affecting the low rpm much at all.
By the way, have you thought about going with a hydraulic roller?
If you have at least 10.0:1 I'd go with something like a 236/244 on a 110 on at 106 or a little less duration but on a 108. Put some lift in it though, that'll give it longer legs without affecting the low rpm much at all.
By the way, have you thought about going with a hydraulic roller?
I have an old fireball 314 cam and still have the specs. The 314 is for the duration but they may have had different lift variations. I bought this in the 70's so I'm probably not helping much.
its probably the same one. this fireball that i have came out of a 70's jet boat. its used.
I have an "F8" stamped on the end of the cam where the Crane 314 is stamped. Mine has maybe 2 hours on it. I've kept it all these years and probably won't use it on my new build, too much duration for my car. Auto with power brakes and 3.08 gears.
That cam is something to keep f/ old time's sake. I like having older stuff that you don't find much of anymore. Display it somehow creative mixed in w/ something. ie; I've seen old rail road carts turned into coffee tables w/ glass tops. Really cool. Nothing like automotive memorabilia(sp?).
That cam is something to keep f/ old time's sake. I like having older stuff that you don't find much of anymore. Display it somehow creative mixed in w/ something. ie; I've seen old rail road carts turned into coffee tables w/ glass tops. Really cool. Nothing like automotive memorabilia(sp?).
You're asking again so O.K. here you go, I'll grind you an Erson, same as before. Specs would be your choice;
298/306 adv., 232/240 @ .050 on a 108, or a 302/310 adv., 236/244 @ .050 on a 110. Both would have .568 lift on intake and exhaust with 1.6 rockers. I'll do either one for $225.00 plus shipping with lifters. Or you can do a Thump'r style, 298/310 adv., 232/244 @.050 on a 108 in at 102. Just did 2 of those.
I'd go with the 236/244, but if really want to hear it do a version of the Thump'r. Jmo.
298/306 adv., 232/240 @ .050 on a 108, or a 302/310 adv., 236/244 @ .050 on a 110. Both would have .568 lift on intake and exhaust with 1.6 rockers. I'll do either one for $225.00 plus shipping with lifters. Or you can do a Thump'r style, 298/310 adv., 232/244 @.050 on a 108 in at 102. Just did 2 of those.
I'd go with the 236/244, but if really want to hear it do a version of the Thump'r. Jmo.
Last edited by cutlassefi; Nov 5, 2010 at 02:50 PM.
You're asking again so O.K. here you go, I'll grind you an Erson, same as before. Specs would be your choice;
298/306 adv., 232/240 @ .050 on a 108, or a 302/310 adv., 236/244 @ .050 on a 110. Both would have .568 lift on intake and exhaust with 1.6 rockers. I'll do either one for $225.00 plus shipping with lifters. Or you can do a Thump'r style, 298/310 adv., 232/244 @.050 on a 108 in at 102. Just did 2 of those.
I'd go with the 236/244, but if really want to hear it do a version of the Thump'r. Jmo.
298/306 adv., 232/240 @ .050 on a 108, or a 302/310 adv., 236/244 @ .050 on a 110. Both would have .568 lift on intake and exhaust with 1.6 rockers. I'll do either one for $225.00 plus shipping with lifters. Or you can do a Thump'r style, 298/310 adv., 232/244 @.050 on a 108 in at 102. Just did 2 of those.
I'd go with the 236/244, but if really want to hear it do a version of the Thump'r. Jmo.
are those rollers?
No, flat tappets, hydraulic. Roller is $625.00 plus shipping with lifters, any grind. That same combo with a similar roller makes 475+hp and 525+tq with 10.5:1. What's the compressio ratio going to end up at? Yes, I think you'd be happy with the 236/244. Still depends on your cr though.
No, flat tappets, hydraulic. Roller is $625.00 plus shipping with lifters, any grind. That same combo with a similar roller makes 475+hp and 525+tq with 10.5:1. What's the compressio ratio going to end up at? Yes, I think you'd be happy with the 236/244. Still depends on your cr though.
I'll stick with my original suggestion.
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