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| Cylinder Head Finished https://ausmini.com/forums/viewtopic.php?f=2&t=94390 |
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| Author: | GundyGuy [ Sun Dec 11, 2016 1:05 pm ] |
| Post subject: | Cylinder Head Finished |
Well i have finished modifying this 12G940 Head from a 1100S morris Ported and polished to what i think is neither too much or too little New Valves and Bronze guides Double valve springs Exhaust seat inserts MED 1.5-1 roller tip rockers Extra holes drilled for Cooper S She is all ready to be fitted   
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| Author: | drmini in aust [ Sun Dec 11, 2016 3:33 pm ] |
| Post subject: | Re: Cylinder Head Finished |
Looks nice. Watch those bronze guides though, Minispares phosphor bronze ones tend to close up when fitted and need reaming. Then when run up to temp they can shrink further. I had to ream mine, twice, with a 9/32" solid reamer. Once when built, then again when a valve started to grab. OK since. Now done 50,000 miles. Other suppliers may have better bronze guides.. 
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| Author: | GundyGuy [ Sun Dec 11, 2016 4:49 pm ] |
| Post subject: | Re: Cylinder Head Finished |
Hi Doc Yes they got the reamer treatment as per the instructions that came with the guides When you do it yourself it gives you a scene of achievement That's until it craps out on you and you wish you had someone else do it 
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| Author: | deluxe67 [ Sun Dec 11, 2016 7:17 pm ] |
| Post subject: | Re: Cylinder Head Finished |
You didn't get rid of the horrible bypass system after all that beautiful work 
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| Author: | Alexw [ Sun Dec 11, 2016 7:33 pm ] |
| Post subject: | Re: Cylinder Head Finished |
Looks great [SMILING FACE WITH OPEN MOUTH] |
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| Author: | oldblade [ Sun Dec 11, 2016 7:41 pm ] |
| Post subject: | Re: Cylinder Head Finished |
Very nice |
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| Author: | drmini in aust [ Sun Dec 11, 2016 9:16 pm ] |
| Post subject: | Re: Cylinder Head Finished |
A bypass hose is fine with decent hose. I use Pirtek MPH 08, hydraulic return hose, ,500 psi. With a brass nipple it should outlast the car.
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| Author: | GundyGuy [ Mon Dec 12, 2016 6:17 am ] |
| Post subject: | Re: Cylinder Head Finished |
deluxe67 wrote: You didn't get rid of the horrible bypass system after all that beautiful work I like to keep things original looking And my car didn't overheat even in hot weather |
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| Author: | GundyGuy [ Tue Dec 20, 2016 5:34 am ] |
| Post subject: | Re: Cylinder Head Finished |
Here is the head with the extra bits on it Seeing if everything fits  
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| Author: | drmini in aust [ Tue Dec 20, 2016 6:00 am ] |
| Post subject: | Re: Cylinder Head Finished |
When we put these rockers on Jenk's S motor they needed 2mm packing shims under to get adjustment. This was on a Mk1S head. Nice rockers though!
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