Big Block 454 info (needed)
01-16-2004, 01:29 PM
#2
Originally Posted by 85Silverado454
I need info about a BB 454 engine (heads, carburators, ect...)
Ummm, what are you looking for? Basic info like bore / stroke, etc or what?
Heads, carbs, etc will all vary depending on intended useage and will be specific to the goals you are trying to achieve.
The Q is too vague - Can you specify what you are looking for?
01-16-2004, 01:58 PM
#3
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ok it is kinda brod, ok the engine in my pickup has a holly carburator, and it works but i have heard to maintain it, it will take alot of work, so i was looking into getting the edelbrock carb, also i dont know much about engines so please keep the info idiot proof
01-16-2004, 02:14 PM
#4
Holley is best for a performance application but need tuning. They are not hard to learn but you need to research basic carb opereration, jetting, PV, secondary opening rates...etc. They will also vary depending on mechanical or vacuum operated secondaries.
Edelbrocks are generally easier to tune, more forgiving, no powervalve to blow out and only offered in vacuum secondary configurations.....I am rambling.
For a beginner, someone who is not confident in their carb tuning skills I would highly suggest an Edelbrock and follow their tuning manual. you should do fine. Carb tuning takes practice and it will be trial and error to reach optimization.
My basic rule for carbs - Holley - Performance oriented. Edelbrock - Mild street / strip apps and daily drivers.
It is not that the Holley is harder or more work to maintain but rather that it is simply different and there are more variables then an Edelbrock. IMO, there is also more to be had from them when optimally tuned but this takes practice or advice from experienced people.
Now - throw Q Jets into the mix and it is a whole new ballgame. For street / strip and gas mileage QJets, hands down, flat out rock...but thats another story.
Anyhow - If you were looking at Edelbrocks my suggestion for a mild mill would be 750 cfm or perhaps their new 800 CFM on a 454 but no bigger for mild to stock engines or you'll over carb the sucker and lose some of the "umph" factor.
Make SURE you check the float levels BEFORE you put it on the mill (instructions on this are in the manual and it is very simple to do) On EVERY Edlebrock carb I have used the floats were incorrectly set right out of the box.
Dont be intimidated, dive in. It is the only way to learn, IMO. It is not as hard as you might think it just takes time, effort and most of all - Research. read, read, read.
Check it out - If you want real world hardcore advice on carbed BB engines and performance pay us a visit at - http://www.chevelles.com/cgi-bin/forum/ultimatebb.cgi
It is a Chevelle board but we have love for all things BB. Just let us know this is a truck motor and you're there because some nut named Midnight Marauder said you would get great advice there.....and you will.
Edelbrocks are generally easier to tune, more forgiving, no powervalve to blow out and only offered in vacuum secondary configurations.....I am rambling.
For a beginner, someone who is not confident in their carb tuning skills I would highly suggest an Edelbrock and follow their tuning manual. you should do fine. Carb tuning takes practice and it will be trial and error to reach optimization.
My basic rule for carbs - Holley - Performance oriented. Edelbrock - Mild street / strip apps and daily drivers.
It is not that the Holley is harder or more work to maintain but rather that it is simply different and there are more variables then an Edelbrock. IMO, there is also more to be had from them when optimally tuned but this takes practice or advice from experienced people.
Now - throw Q Jets into the mix and it is a whole new ballgame. For street / strip and gas mileage QJets, hands down, flat out rock...but thats another story.
Anyhow - If you were looking at Edelbrocks my suggestion for a mild mill would be 750 cfm or perhaps their new 800 CFM on a 454 but no bigger for mild to stock engines or you'll over carb the sucker and lose some of the "umph" factor.
Make SURE you check the float levels BEFORE you put it on the mill (instructions on this are in the manual and it is very simple to do) On EVERY Edlebrock carb I have used the floats were incorrectly set right out of the box.
Dont be intimidated, dive in. It is the only way to learn, IMO. It is not as hard as you might think it just takes time, effort and most of all - Research. read, read, read.
Check it out - If you want real world hardcore advice on carbed BB engines and performance pay us a visit at - http://www.chevelles.com/cgi-bin/forum/ultimatebb.cgi
It is a Chevelle board but we have love for all things BB. Just let us know this is a truck motor and you're there because some nut named Midnight Marauder said you would get great advice there.....and you will.
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01-18-2004, 01:39 AM
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Originally Posted by 85Silverado454
where is the performance section
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