nope, looks normal as
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| unknown cylinder head? https://www.ausmini.com/forums/viewtopic.php?f=2&t=14253 |
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| Author: | VeG [ Fri Dec 23, 2005 2:38 pm ] |
| Post subject: | unknown cylinder head? |
I was stuffin around in the shed today and came across my old cylinder head from my clubman (its cracked and i still havent fixed it). On further inspection i discovered the casting number is not one i have seen before. Where my other two heads have 12G202, this one has ECAM4004. Also noticed the inlet and exhaust ports are alot bigger than the 12G202, but this head my have had work done as it was on the car when i bought it about 3 yrs ago. So does anyone know what the hell an ECAM4004 head is?? coz im stumped. |
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| Author: | minicranks [ Fri Dec 23, 2005 4:11 pm ] |
| Post subject: | |
cam 4810 is the other number on it it comes form a A+ 998 and is the later model type with bigger exhaust ports on it. I was handleing one today. |
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| Author: | drmini in aust [ Fri Dec 23, 2005 4:27 pm ] |
| Post subject: | |
it's a late head, 998 I think- does it have air injection ports on the front, near the spark plugs? |
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| Author: | VeG [ Fri Dec 23, 2005 4:28 pm ] |
| Post subject: | |
ill have a sqiz...... |
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| Author: | VeG [ Fri Dec 23, 2005 4:30 pm ] |
| Post subject: | |
nope, looks normal as
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| Author: | VeG [ Fri Dec 23, 2005 4:33 pm ] |
| Post subject: | |
minicranks wrote: cam 4810 is the other number on it it comes form a A+ 998 and is the later model type with bigger exhaust ports on it.
I was handleing one today. so its unleaded? or where some of the A+'s still leaded? |
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| Author: | drmini in aust [ Fri Dec 23, 2005 6:23 pm ] |
| Post subject: | |
Early A+ were leaded, up until `86, `87 or so. Rover unleaded exhaust seats are austenitic steel (ie non-magnetic). Pull the exhaust valves, then see if a magnet (Mini sump plug will do) will stick to the seats in the head. If not, it's unleaded. 
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| Author: | minicranks [ Fri Dec 23, 2005 8:09 pm ] |
| Post subject: | |
you can tap it and also hear a diffenret sound but only if you know what your listeneing for. 89 for the metros to come unleaded i think and the 998 A+ also came out in the metro. wow that must have been under powered. |
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| Author: | VeG [ Fri Dec 23, 2005 9:17 pm ] |
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yea the motor ran like crap till i put my new 12G202 on it. Why would anyone put a 998 head on an 1100 motor? |
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| Author: | drmini in aust [ Fri Dec 23, 2005 9:37 pm ] |
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VeG wrote: yea the motor ran like crap till i put my new 12G202 on it. Why would anyone put a 998 head on an 1100 motor?
Because they got one.. Our Barney had a 998 with the 998 smog head- a well known Mini place (now defunct) put a 1098 crank & pistons in. Didn't even bother to fit a harmonic balancer, they left the 998's tin crank pulley on instead. Not good news for the longer stroke crank. |
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| Author: | Keith Calver [ Sat Dec 24, 2005 5:29 am ] |
| Post subject: | |
Ahem - The genuine Rover inserts are copper-berylium (sorta orangey coloured) not steel. KC. |
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| Author: | drmini in aust [ Sat Dec 24, 2005 6:17 am ] |
| Post subject: | |
Keith Calver wrote: Ahem - The genuine Rover inserts are copper-berylium (sorta orangey coloured) not steel. KC.
Maybe now? but the ones I got from MiniSpares UK in Rover packets are not. Either the 998 or 1275 ones.
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