351c
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From: Brumley, MO
351c
I have a 351C with 55k on the clock in my 94 4x4 F-150 XL, and the mechanic I bought the truck from got it from a place called skaggs, and I'd like to know how much power it has.
I saw danlee has a cool little desktop dyno, and I was wondering if you could help me any? Now the guys you helped before gave you very detailed info, I really can't do that, because I have no clue as to what kind of crap it has. I know it's a 351C hooked up to EFI, the truck had a 351W in it to begin with. It has a mild rv cam I'm pretty sure the cam is all the performance stuff the engine has other than fake dual exhaust with a flowmaster muffler.
I'm sorry I can't give you lift and duration and stuff like that, I don't know if you can do anything for me, but even stock numbers would be good, but there again I don't know if it's 2V or 4V, in fact I don't even know what that means. I need some help big time!!!!!!!! Thanks in advance.
I saw danlee has a cool little desktop dyno, and I was wondering if you could help me any? Now the guys you helped before gave you very detailed info, I really can't do that, because I have no clue as to what kind of crap it has. I know it's a 351C hooked up to EFI, the truck had a 351W in it to begin with. It has a mild rv cam I'm pretty sure the cam is all the performance stuff the engine has other than fake dual exhaust with a flowmaster muffler.
I'm sorry I can't give you lift and duration and stuff like that, I don't know if you can do anything for me, but even stock numbers would be good, but there again I don't know if it's 2V or 4V, in fact I don't even know what that means. I need some help big time!!!!!!!! Thanks in advance.
Last edited by dwrestle; Sep 30, 2005 at 08:57 PM.
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From: iowa
most likely it's a 2v but the 2v and 4v stand for 2 barrel carb or 4 barrel carb. One way to tell if it doesn't have a stock manifold on it is look in the corners of the heads for either a 2 or a 4 cast into the head top surface right in the corner.
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From: chicago burbs
http://home.comcast.net/~jelerath/mu...master-fr.html
http://www.boss351.org/main.htm
how many bolts on each valve cover?
http://www.boss351.org/main.htm
how many bolts on each valve cover?
Last edited by grclark351; Oct 1, 2005 at 12:53 AM.
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From: Delaware
If it has EFI, it must have a conversion intake manifold on it. It would be interesting to get a picture of that.
If it is a 351W intake, then your motor is probably a 351M.
Any simulation that I could run without knowing the details of a motor would be worthless.
If it is a 351W intake, then your motor is probably a 351M.
Any simulation that I could run without knowing the details of a motor would be worthless.
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From: iowa
not necesarily danlee some people run a stock intake drilled for the injectors, and something like the 460 throttle bodies setup bolted onto an adaptor bolted ontot he carb pad aparently it's really not a hard swap doing it that way.
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From: Brumley, MO
Well I can't see a whole lot under the hood, but I did get the number off the exhaust manifold if it helps RF-F4TE-948(or 3)1-DB(or 8). Will that ID the engine or is that used on multiple engines as well.
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From: iowa
that almost has to be a original engine cause the F4TE part of that number would indicate a 1994 casting number, and since the 351c was discontinued in 74, and the 351m/400s would have been discontinued in the early 80s and that exhaust manifold wouldn't fit on either of those engines it's not going to be a 335 series engine. best bet go out, and count the bolts holding the valve covers on that would give a good start to identifying this engine.
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Elder User
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From: Brumley, MO
I think it is a W engine it looks like it's probably a 6 bolt I can't see for sure though. That is kind of disapointing, nothing against the windsor but, I really want a 335 engine, and the guy I bought it from said it was. I think he did swap an engine in it but it was a windsor and for some reason he just thought it was a 335 engine. Well danlee how much power does a 351W with an RV cam have? At least I can buy more performance stuff now, but I'd rather put a 400 or 351 in it.
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From: Brumley, MO
I'm not sure what you mean by that grclark351. Do you mean does the exhaust manifold look like it's going in a diagonal direction, down or up. I will look at it but I'm pretty sure it's straight.
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From: Delaware
Is the thermostat housing on the intake manifold or on the block. The 335 series have the thermostat in the block.
If you run a stock dual plane intake drilled for injectors, the injectors will sit at different heights. Then you can not use a fuel rail. To use a fuel rail all injectors must be at the same height and angle. You can use hoses with 'hats' from a fuel distribution block.
That is why I wanted to see a photo of the conversion intake. You can also use a modified windsor 5.8 L EFI intake on a 351M or 400, or a modified 5.0 L on a 351C.
It is most likly a 5.8 L Windsor motor with a stock Windsor EFI setup.
As far a simulating that motor, all I know is the bore and stroke. I don't know the compression ratio, the CFM of the EFI setup, the cam timing and lift.
It sounds like a stock 5.8 L EFI motor. The RV cam might boost the torque at low RPM a little.
If it is a Windsor, try the Windsor forum. They will have a better handle on it than me.
If you run a stock dual plane intake drilled for injectors, the injectors will sit at different heights. Then you can not use a fuel rail. To use a fuel rail all injectors must be at the same height and angle. You can use hoses with 'hats' from a fuel distribution block.
That is why I wanted to see a photo of the conversion intake. You can also use a modified windsor 5.8 L EFI intake on a 351M or 400, or a modified 5.0 L on a 351C.
It is most likly a 5.8 L Windsor motor with a stock Windsor EFI setup.
As far a simulating that motor, all I know is the bore and stroke. I don't know the compression ratio, the CFM of the EFI setup, the cam timing and lift.
It sounds like a stock 5.8 L EFI motor. The RV cam might boost the torque at low RPM a little.
If it is a Windsor, try the Windsor forum. They will have a better handle on it than me.
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From: iowa
neither they are 335 series engines small block, big block are chevy terms. But even at that these would be more of a medium block I guess. the 351c uses a small block bell housing the 351m/400 uses a big block bellhousing but both are 335 series so go figure. personally if I have to charactorize them i call them small blocks.
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From: chicago burbs
that's a pretty good run-down. the 335 engines share head bolt and cylinder spacing with the 289/302/5.0/351W. sometimes i call my Cleveland a "small bigblock" to people that insist on those terms.