what is this?
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Freshman User
Joined: Sep 2004
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what is this?
The intake manfoid says S942-G And 3 6G27
and the heads say c8arh? can any one help....
i orderd holley 650 double pumper,Elebrock performer RPM manifold,coyes true roller timing chain,and Elelbrock cam and lifters 572lift and 296 dorashion is that good? i was told the truck had a 390 at the shop and from the guy i bought it from so i orderd it thanks for the info stephen.....
and the heads say c8arh? can any one help....
i orderd holley 650 double pumper,Elebrock performer RPM manifold,coyes true roller timing chain,and Elelbrock cam and lifters 572lift and 296 dorashion is that good? i was told the truck had a 390 at the shop and from the guy i bought it from so i orderd it thanks for the info stephen.....
Junior User
Joined: May 2004
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i have no clue, and its pretty chanceless youre going to get a reply on this because not many people know the exact numbers on their manifolds. type in those numbers in google, see what comes up, if nothing is there, add your engine type or something. google can give you much more timely help than this site sometimes, but the questions are still good
steven
steven
Fleet Owner
Joined: Jan 2004
Posts: 26,007
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From: Brentwood,CA
all you need to know is if it is a fe look for the 5 bolt valve covers and split heads where the manifold extends under the valve cover a little they will also have 352 stamped behind the power steering pump
Postmaster
Joined: Nov 2002
Posts: 3,447
Likes: 1
From: Littleton, CO
Originally Posted by all go no show
The intake manfoid says S942-G And 3 6G27
and the heads say c8arh? can any one help....
i orderd holley 650 double pumper,Elebrock performer RPM manifold,coyes true roller timing chain,and Elelbrock cam and lifters 572lift and 296 dorashion is that good? i was told the truck had a 390 at the shop and from the guy i bought it from so i orderd it thanks for the info stephen.....
and the heads say c8arh? can any one help....
i orderd holley 650 double pumper,Elebrock performer RPM manifold,coyes true roller timing chain,and Elelbrock cam and lifters 572lift and 296 dorashion is that good? i was told the truck had a 390 at the shop and from the guy i bought it from so i orderd it thanks for the info stephen.....
--Mike
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they said it was a good cam for the motor at jegs? how would i no what year the motor is? the guy i bought it off of said it had a 390 the motor has been rebuilt so i realy dont no whats in it,could u tell me how to check with out tear it apart.... i could just pull the front grill and water pump it get the cam in also right? i may be wrong and i need all new rockers and everything? i was never told that lol... well any help is appreciate it thanks guys....
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what about if i bought new heads??? any info what kind and prices and where to buy them thanks guys
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Elder User
Joined: Feb 2004
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From: Fort Rucker, AL
If you've got C8AE heads you're in good shape. I'm not tracking on what you are asking, though. I agree with the others, if you ordered a cam with more than .560 lift, you're going to need adjustable rockers. Before you install that cam you need to get a good idea of your compression. It would be nice to know if your pistons are dished or not, can you find out? What are you going to use your motor for (off road, racing, daily driver)?
Last edited by debestuss; Oct 28, 2004 at 05:54 PM.
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what does the c8ae mean? how much are adjustable rockers and where can i get them is that a big cam or something???umm i just drive the truck at night times some times and i wana make it like 500 horse when im done i dont realy wana get in to the motor right now i bought the manfoild and carb im ordering the msd distributer new valve covers and coil plugs and wires the RAM AIR BOX ram air thing and cam i wana get in to the motor soon just im buying a 4 speed tranny and when i pull the auto i just did the stall and everyting to i wana do the bottom end... i dont drive it to much so no daily driver here thanks bud for the help
Hotshot
Joined: May 2003
Posts: 11,141
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From: south louisiana
Even with the right comp ratio for that cam, you're not going to see 500hp in a 390. More like 400. And as I said before, if your comp ratio is in the 9 to 1 range, that cam's just going to make it a dog. You'll need at least a 10 to 1 ratio with a cam that big. I think you also would have been better off spendin all that money you did on the MSD for other parts that really make a difference. You'll never spin a 390 fast enough to realize the full benefit that an MSD system can give. A good rebuilt stock dist with a hot coil and a Pertronix unit would have been a more cost effective choice.
Postmaster
Joined: Nov 2002
Posts: 3,447
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From: Littleton, CO
Stephen, let's take a step back here...
First off, are you gathering parts for a future build? This would be your best bet as adding miss-matched parts to a running motor a-little-at-a-time will not get the job done. Secondly, if you wish to get 500 HP out of your FE, I am guessing your bank account will have around $5000 as a balance for parts and machine work (you will need a good shop). Third, you have an additional $5000 balance for fuel
as you will need ultra premium to run a 500hp motor pushing 10:1+ compression. Most of the crew here have put together some 350-400hp range motors on a nice budget that can be driven any given day of the week. Put together a plan of what you want, let us know so we can recommend parts, tear the motor down to see what you have, then exchange what you can't use.
Just my $.02's, --Mike
First off, are you gathering parts for a future build? This would be your best bet as adding miss-matched parts to a running motor a-little-at-a-time will not get the job done. Secondly, if you wish to get 500 HP out of your FE, I am guessing your bank account will have around $5000 as a balance for parts and machine work (you will need a good shop). Third, you have an additional $5000 balance for fuel
as you will need ultra premium to run a 500hp motor pushing 10:1+ compression. Most of the crew here have put together some 350-400hp range motors on a nice budget that can be driven any given day of the week. Put together a plan of what you want, let us know so we can recommend parts, tear the motor down to see what you have, then exchange what you can't use.Just my $.02's, --Mike
Elder User
Joined: Feb 2004
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From: Fort Rucker, AL
C8AE means that head was cast in 1968 and it's an automobile head. C=60's, 8=8(duh), A=car. E? I don't know. It's a good head.
Stephen, more than likely your 390 is bored over .030. More than likely you're running a cam that's less than .500 lift and more than likely you're running stock ignition. If you are not using this truck as a daily driver and can afford to have it sit, let it sit and take a breath. I would start by pulling a head and take a look at your piston heads. If they are dished you need to start there and get some that aren't. Go ahead and get some adjustable rockers but I'd wait about the cam and the electronic ignition. I agree with baddad. I run a Pertonix Ignitor and it's awesome. The cam is completely dependant on compression and you need to know what your's is.
My $.02
Stephen, more than likely your 390 is bored over .030. More than likely you're running a cam that's less than .500 lift and more than likely you're running stock ignition. If you are not using this truck as a daily driver and can afford to have it sit, let it sit and take a breath. I would start by pulling a head and take a look at your piston heads. If they are dished you need to start there and get some that aren't. Go ahead and get some adjustable rockers but I'd wait about the cam and the electronic ignition. I agree with baddad. I run a Pertonix Ignitor and it's awesome. The cam is completely dependant on compression and you need to know what your's is.
My $.02
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well its a 390 with a 2v so mabay that can help u out a little???i wana change the heads bor it i the price is no object... so what distruber should i go with i did not orber it yet i bought the cam manfoild and carb and timeing chain i need to get the ignition and new spark plugs/wires...
Needsmorecoffee.
Joined: Oct 2004
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From: CT
The intake sounds like a cast iron "s" C6AE-G used 66-70. There was a large and small "s" intake. The difference was the runners shape and size. The 3 6G27 is 3rd shift, July 27th 1966 is the date code. G.