Final Aproval
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Laughing Gas
Joined: Jan 2005
Posts: 992
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I feel so poor i ordered all of this from summit yesterday
rebuild motor kit FEM-MKP601N-311
Melling HV Oil pump MEL-M57HV replacing SV pump with HV pump just for safety
ARP Oil Drive Shaft ARP-154-7902
ARP Rod bolts ARP-155-6002
Summit Double roller timing chain
SUM-G6608
( i need a loan or donation
)
I plan on trying to order the cam, intake, carb, and sending the heads to the shop today or sometime really soon.
oh i need to know which Crane springs i should go with? any sugestions?
rebuild motor kit FEM-MKP601N-311
Melling HV Oil pump MEL-M57HV replacing SV pump with HV pump just for safety
ARP Oil Drive Shaft ARP-154-7902
ARP Rod bolts ARP-155-6002
Summit Double roller timing chain
SUM-G6608
( i need a loan or donation
) I plan on trying to order the cam, intake, carb, and sending the heads to the shop today or sometime really soon.
oh i need to know which Crane springs i should go with? any sugestions?
Lead Driver
Joined: Apr 2001
Posts: 6,175
Likes: 21
From: Texas
the crane Cams web site or tech support can give you the matching springs part number for your cam. I assume you're running a Crane cam. I think you were looking at the 941... look here:
http://www.cranecams.com/index.php?s...41&lvl=2&prt=5
it says part number is 99837, you'll probably be looking for the 99837-16 at Summit
http://www.cranecams.com/index.php?s...41&lvl=2&prt=5
it says part number is 99837, you'll probably be looking for the 99837-16 at Summit
Post Fiend
Joined: Jan 2003
Posts: 8,600
Likes: 4
From: Iowa
I'd say go with the 750. I put the Holley 600cfm vacuum secondary Holley from the old 360 on my new 390 for a while, and it was gasping for air a bit at higher rpms. I could see the intake manifold vacuum gauge lift up to about 4" at 4500rpm. With the 700cfm fuel injection, life is good. Stays pegged down around zero up until the transmission shifts.
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Laughing Gas
Joined: Jan 2005
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ok 750 it is then
Holley 750 vacuum secondary?
Kurt what type of valve train did you tell me you had in your 390? (the reason i am asking is because of my post named pushrods)
Holley 750 vacuum secondary?
Kurt what type of valve train did you tell me you had in your 390? (the reason i am asking is because of my post named pushrods)
Last edited by bshackelford711; Jun 1, 2005 at 12:24 PM.
Post Fiend
Joined: Jan 2003
Posts: 8,600
Likes: 4
From: Iowa
I have the stock adjustable type valvetrain, using "427 Ford Adjustable Pushrods" from DSC.
If you're going to use an automatic transmission with it, get the vacuum secondary. For a manual, get the mechanical secondary (double pumper).
If you're going to use an automatic transmission with it, get the vacuum secondary. For a manual, get the mechanical secondary (double pumper).
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Laughing Gas
Joined: Jan 2005
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manual tranny so i will get that on order today (hopefully)
what spring peasure are they good upto?
I have found a set of rockers from Crane 34772-16 that look as if you can replace you non adjustable rockers with adjustable rockers. Do you know anything about these. (so far i have got some like them and others do not)
what spring peasure are they good upto?
I have found a set of rockers from Crane 34772-16 that look as if you can replace you non adjustable rockers with adjustable rockers. Do you know anything about these. (so far i have got some like them and others do not)
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Elder User
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hmmmm....now you guys have me rethinking my carb...I had kinda been planning on a 600 cfm....based on the standard formula CFM=(RPM * CID)/3456. When you say higher rpm's how high??? I was thinking I'd rev limit mine to 5000...maybe 5500 or 6000 after breakin....how high can you go without overstressing the engine on a standard bottom 390??
Post Fiend
Joined: Jan 2003
Posts: 8,600
Likes: 4
From: Iowa
The pushrods I mentioned are good up to 310lbs spring pressure. They'll work fine with the Crane springs.
On the Crane rocker arms, honestly, I'd just go down to Napa and get replacement adjustable rocker arms. I have a couple in my 390 to replace the used POS's sent to me by DSC. They're new manufacture and are very nice. Try having 'em look up rockers for an early car 352, with mechanical lifters. Put these on in place of your existing rocker arms, use the above mentioned pushrods, and you're in business.
On the 390 bottom end, I'd say it's probably good to around 6500 to 7000rpm, with ARP hardware.
On the Crane rocker arms, honestly, I'd just go down to Napa and get replacement adjustable rocker arms. I have a couple in my 390 to replace the used POS's sent to me by DSC. They're new manufacture and are very nice. Try having 'em look up rockers for an early car 352, with mechanical lifters. Put these on in place of your existing rocker arms, use the above mentioned pushrods, and you're in business.
On the 390 bottom end, I'd say it's probably good to around 6500 to 7000rpm, with ARP hardware.
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Laughing Gas
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http://www.cranecams.com/index.php?s...&lvl=3&prt=122
thats the info on the springs
i am checking with napa now to see what i can get.
thats the info on the springs
i am checking with napa now to see what i can get.
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Laughing Gas
Joined: Jan 2005
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Originally Posted by rusty70f100
I have the stock adjustable type valvetrain, using "427 Ford Adjustable Pushrods" from DSC.
If you're going to use an automatic transmission with it, get the vacuum secondary. For a manual, get the mechanical secondary (double pumper).
If you're going to use an automatic transmission with it, get the vacuum secondary. For a manual, get the mechanical secondary (double pumper).
do have any example of this carb i could not on jegs or summit
some that i have found (not what i think i need that you are talking about) have been like $500.
if so i might have to stop the build for a while
i cant afford this rate.
Last edited by bshackelford711; Jun 2, 2005 at 09:42 AM.
Elder User
Joined: Feb 2004
Posts: 835
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From: Fort Rucker, AL
Originally Posted by bshackelford711
I am trying to figure my comp ratio but not having much luck.
Can anyone help me out on this?
Can anyone help me out on this?
http://www.kb-silvolite.com/calc.php?action=comp
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