Edelebrock VS Crane
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From: Jackassville
Edelebrock VS Crane
yeah i went to the edelbrock website and theyve got a good cam that goes from 1500-4500 just like the crane, but it says you must have a adjustable rocker, something im lazy about and dont want to change to adjustable. anyone here tried the edelbrock? i think the crane is much more popular but is there a power diffrence between the two?
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From: Iowa
what edelbrock cam are you talking about and what crane cam are you compareing it to, if its the edel performer cam compared to the crane 901, the crane 901 has the jump over it.
Last edited by fordman428; Mar 27, 2004 at 09:53 AM.
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From: Texas
Which Edelbrock are you lookig at?
The Performer cam is very mild. I think it would run with no issues on stock valve train.
The Perfromer RPM cam, is not mild. I'd reccomend adjustable valve train for it.
There are a couple of Crane cams in between these two, thats why you hear about the crane so often. The 901 and 941. You can probably run the 901 on stock vlavle train. I think some have even gone withe 941 on a healthy stock non-adjustable setup. But, that's pushing fro mwhat I've see. .550" lift is about the break point. I think I even read that on the Erson site as their reccomendation.
The Performer cam is very mild. I think it would run with no issues on stock valve train.
The Perfromer RPM cam, is not mild. I'd reccomend adjustable valve train for it.
There are a couple of Crane cams in between these two, thats why you hear about the crane so often. The 901 and 941. You can probably run the 901 on stock vlavle train. I think some have even gone withe 941 on a healthy stock non-adjustable setup. But, that's pushing fro mwhat I've see. .550" lift is about the break point. I think I even read that on the Erson site as their reccomendation.
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From: Jackassville
yeah thanks for the link but i already been there i looked it over and i dont know how to read all that valve lift stuff, im kinda new to mechanics.
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From: Hoquiam, WA
The 901: .501 int / .533 exh, 260/272 adv. duration.
The 941: .533 int / .563 exh, 272/284 adv. dur.
The 801: .548 int / .580 exh, 278/290 adv. dur. This is the one that I'm going to be getting.
These are a dual pattern cam, which to my understanding, is more desirable on the FE.
Most people will recommend, that with a cam over .550 lift, you use an adjustable valvetrain.
The RPM is a single pattern .572/.572, 296/296 adv.dur.
The 941: .533 int / .563 exh, 272/284 adv. dur.
The 801: .548 int / .580 exh, 278/290 adv. dur. This is the one that I'm going to be getting.
These are a dual pattern cam, which to my understanding, is more desirable on the FE.
Most people will recommend, that with a cam over .550 lift, you use an adjustable valvetrain.
The RPM is a single pattern .572/.572, 296/296 adv.dur.
Last edited by ACESN8S; Mar 27, 2004 at 08:04 PM.
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From: Eureka, Ca.
I tried using the Perf RPM cam with stock valve train in my 390. It was hard to start and wouldn't idle. I ended up orderingf the Erson rocker assemblies. Haven't installed them yet so I can't say it runs better or worse.
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From: Maple Ridge BC Canada
The reason for the adjustable valve train, is the base circle (or bottom) of the cam needs to be a smaller diameter, so the top (pointy end) does not stick up past the cam bearing journals....otherwise you would not be able to install the cam...I dont know if I explained that very well.....The limit for stock valvetrain is usually dictated by how far the valves will open, without coil bind, or crushing the silly valve seals used on FE's...
Randy...If you dont have the recommended compression for that cam, rocker assemblies wont help you. I dont know what you have but the performer rpm cam would run exactly as you describe if you only have 8.5 to one compression.....d44hd
Randy...If you dont have the recommended compression for that cam, rocker assemblies wont help you. I dont know what you have but the performer rpm cam would run exactly as you describe if you only have 8.5 to one compression.....d44hd
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From: Eureka, Ca.
Let's start at the top.
Chrome Edelbrock air cleaner
Edelbrock 750cfm carb
RPM intake
MSD 6AL box
Blaster 2 coil
Ford DuraSpark dist.
Chrome Edelbrick valve covers
stock rocker assembly Soon to be Erson rocker assembly
RPM heads
Hedman headers
RPM cam
Edelbrock timing set
Edelbrock water pump
TRW forged flattop pistons 9:68:1 CR
Speed Pro plasma rings
clevite bearings
ARP main and cyl. head stud kit
ARP rod bolts
ARP stainless engine fastener kit
This is the setup that didn't run well.
The stock valve train is most likely to blame.
Iwill have the Erson rocker assembly this week. I will let you guys know what happens.
Sorry: I can't help but brag a little!
Chrome Edelbrock air cleaner
Edelbrock 750cfm carb
RPM intake
MSD 6AL box
Blaster 2 coil
Ford DuraSpark dist.
Chrome Edelbrick valve covers
stock rocker assembly Soon to be Erson rocker assembly
RPM heads
Hedman headers
RPM cam
Edelbrock timing set
Edelbrock water pump
TRW forged flattop pistons 9:68:1 CR
Speed Pro plasma rings
clevite bearings
ARP main and cyl. head stud kit
ARP rod bolts
ARP stainless engine fastener kit
This is the setup that didn't run well.
The stock valve train is most likely to blame.
Iwill have the Erson rocker assembly this week. I will let you guys know what happens.
Sorry: I can't help but brag a little!
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