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| Whats my 998? https://ausmini.com/forums/viewtopic.php?f=5&t=27099 |
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| Author: | jbeenz [ Tue Jan 23, 2007 2:05 pm ] |
| Post subject: | Whats my 998? |
Whats my motor? 99h791p 424785 its a late 998 (UK) i think, it has the camxxxx head, with solid rockers etc, but it also has a 1/2 inch lobe'd camshaft, and the simplex chain is missing its tensioner, there is very little sign of wear, and no evidance that its ever been apart, should a 998 have this cam? discussion welcomed 
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| Author: | Wombat [ Tue Jan 23, 2007 2:24 pm ] |
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Mini 1000 1974 on with dished pistons Edit: source http://www.miniresource.com/engine.php |
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| Author: | jbeenz [ Tue Jan 23, 2007 2:36 pm ] |
| Post subject: | |
that sounds right, what denotes 74 on? |
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| Author: | drmini in aust [ Tue Jan 23, 2007 6:34 pm ] |
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jbeenz wrote: that sounds right, what denotes 74 on?
the 791 later ones 77 on with smog head were 99H/AJH something. 
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| Author: | jbeenz [ Tue Jan 23, 2007 7:25 pm ] |
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hmmmm ok, we never got the smog head here, but its got the unleaded head. oh dear, to confuse this further, its got an a+ gearbox, with a 3.4 diff. this is the second similar engine i have pulled down in the last year 
and whats with this cam, its slot drive, with 2 rings, does the a+ 998 block have ribs? also the actual engine number seems high. i dont mean to sound like ive found anything amazing, its just a confusing stock 998 |
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| Author: | Wombat [ Tue Jan 23, 2007 10:45 pm ] |
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You can identify your cam from Vizards book - How wide are the cam lobes? |
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| Author: | KLAS [ Wed Jan 24, 2007 1:35 am ] |
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does the cam have 2 rised rings between lobe 3 and 4? and vizards book does not cover all A+ cams |
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| Author: | jbeenz [ Wed Jan 24, 2007 4:52 am ] |
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yes, 2 rings between 3 and 4, 1/2 inch lobes... hmmm, i really should buy visards book. 
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| Author: | KLAS [ Wed Jan 24, 2007 5:23 am ] |
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than it should be the normal low compression, 8.3:1, 998ccm A+ cam Timing: (Intake): 5/45 (Exhaust): 40/10 Duration (Intake): 230 (Exhaust): 230 |
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| Author: | jbeenz [ Wed Jan 24, 2007 5:29 am ] |
| Post subject: | |
nice and mild then 
thanks for the info! its getting a fresh-up and a nice 202 head, out of interest, what are the specs of a stock pre a+, spider-drive 1275 cam? |
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| Author: | KLAS [ Wed Jan 24, 2007 6:56 pm ] |
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i don´t know what a "stock pre a+, spider-drive 1275 cam" is. what engine? or name of the cam? |
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| Author: | jbeenz [ Wed Jan 24, 2007 7:00 pm ] |
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just the austin/morris 1300 (ado16) cam, its actually a NZ 1275gt cam, which is an a+ block, crank, rods, pistons, with an a-series head and cam 
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| Author: | KLAS [ Wed Jan 24, 2007 7:47 pm ] |
| Post subject: | |
not sure but could be this one: Timing: (Intake): 5/45 (Exhaust): 51/21 Duration (Intake): 230 (Exhaust): 252 if it is this one, it should be timed in at 106° ATDC and not 110° the manual says |
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