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seacutter@btopenworld.com Alfa Arna
Joined: 10 Nov 2011 Posts: 7
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Posted: Thu Nov 10, 2011 9:14 pm Post subject: Witch engine & where do the wires go?? |
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The engine is in a Karma Dino kit car so there is no ID as to year or type
this is what I know the engine No. starts with AR307300----- it as twin Dellortos and a Bosh electronic distributor, and that's my other question! from the black box on the side of the dissy there are three wires that have been cut the colours and numbers are 1 white,2 black and 3 black and green.
Where do they go to? there is no coil fitted so I need to know what type of coil to fit and what colour goes where, thats if it goes to the coil!
Can anyone help with the wiring and the type and year the Alfa that it was originally fitted in?
Thanks Peter |
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Oggie Green Cloverleaf
Joined: 06 Mar 2008 Posts: 811 Location: Whitehill
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Posted: Thu Nov 10, 2011 9:57 pm Post subject: |
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Sounds like it comes from a pre 1990 alfa, could be a sud/sprint/arna or a 33.
Its an 8v 1.5 as mentioned in your earlier posts as for the wires Im afraid I do not know but the is a wealth of enthusiasts on here. Good luck. _________________ PHAT 33 |
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Oggie Green Cloverleaf
Joined: 06 Mar 2008 Posts: 811 Location: Whitehill
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seacutter@btopenworld.com Alfa Arna
Joined: 10 Nov 2011 Posts: 7
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Posted: Thu Nov 10, 2011 10:13 pm Post subject: |
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Thanks for the speedy reply Oggie and the welcome from BigAl!!
Forgot to say the engine as no separate cam box covers the original engine had removable cam covers, it had a Duceller dissy with points
Peter |
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paulhide P4
Joined: 20 Dec 2003 Posts: 1607 Location: Oh Beautiful Billingham
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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Posted: Fri Nov 11, 2011 11:49 am Post subject: |
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Engine code 307, Twin carbs with hydraulic tappets would be a early series 3 33('90-'92) 1.5. Or maybe a 1.3?
Engine codes should be 307 32 for a 1.3 and 307 34 for a 1.5(carb versions).
The 1.5 i.e. code is 307 50. I don't know of an engine 307300. _________________ Alfa33 QO 1984
Alfa33 1.3i.e. 1994 |
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seacutter@btopenworld.com Alfa Arna
Joined: 10 Nov 2011 Posts: 7
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Posted: Fri Nov 11, 2011 12:44 pm Post subject: |
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Hi sorry left the 4 out should read AR307340000948
Any thougths on the dissy wires anyone? |
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paulhide P4
Joined: 20 Dec 2003 Posts: 1607 Location: Oh Beautiful Billingham
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Posted: Fri Nov 11, 2011 3:51 pm Post subject: |
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Yeah, the three wires go to the coil, joining up with similarly coloured wires from the main loom. Black is definitely for earth. Not sure how you define what type of coil it is. Somewhere (??) I have some old ones. _________________ Owner's Club 33 Registrar. Now from P4 & S2 1.7 QV
http://www.alfa-pages.co.uk/viewtopic.php?t=5188 |
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john 33_16v 16 Valve
Joined: 27 May 2005 Posts: 1406 Location: herts, uk
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Posted: Fri Nov 11, 2011 4:20 pm Post subject: |
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A halloween engine!
307.34 = alfa33 1.5 105hp (from list on alfisti.co.uk)
Would guess 1984-5 ish
Wires almost certainly go to coil, earth and low tension. Would probably be a pretty standard bosch coil.
The sud/sprint haynes manual will show the wiring for late sud/sprint 105bhp cars in the supplement to confirm. My maunual isn't handy to look.
John _________________ If it aint broke, fiddle with it until it is!
- - - - - - - - - - - - - -
93 33 16v Mirtle Met
08 Fiat Grande Punto Exotica Red
90 Yamaha FZR600 Genesis- Silky white/red/blue |
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Bobkelso Alfa Sprint
Joined: 09 Aug 2011 Posts: 190 Location: Milan - Italy
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Posted: Fri Nov 11, 2011 6:29 pm Post subject: |
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Hy, I vote for eagle3 interpretation,
motor 105hp from 33 1500 40mm twin carb of 1990-92,
(who is for me a better motor of the
early 105hp 1500 of pre '89 series);
because I have a '91 1300 twin carb, code is 307 32,
and very often I use the same spares
of the 1500 twin carb 90-92, code 307 34 '' _________________ Alfa 33 |
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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Posted: Sat Nov 12, 2011 5:04 am Post subject: |
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Hydraulic tappets started with the series 2 1.7 ie(engine code 305 58 ) and became standard across the range with the series 3 33s(1990). _________________ Alfa33 QO 1984
Alfa33 1.3i.e. 1994 |
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seacutter@btopenworld.com Alfa Arna
Joined: 10 Nov 2011 Posts: 7
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Posted: Sat Nov 12, 2011 8:45 am Post subject: |
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Thanks for all the ripley's
Still not sure about the wiring!! as there is no Alfa wiring loom to connect to and I don't have a colour coded wiring diagram (as anyone a Haynes manual I could buy?)
I know to take a live feed to the + side of the coil and you say that black goes the earth, so is the black & green, & the white joined together on the - side of the coil?
sorry to sound a bit thick!! but don't want to short out the electronics in the distributor! |
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paulhide P4
Joined: 20 Dec 2003 Posts: 1607 Location: Oh Beautiful Billingham
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Posted: Sat Nov 12, 2011 11:07 am Post subject: |
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All I know is that two white wires (1 from distributor and other from loom) are attached to one side of front of coil, and two green/black wires (1 from distributor and other from loom) join to other side of front of coil. _________________ Owner's Club 33 Registrar. Now from P4 & S2 1.7 QV
http://www.alfa-pages.co.uk/viewtopic.php?t=5188 |
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seacutter@btopenworld.com Alfa Arna
Joined: 10 Nov 2011 Posts: 7
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Posted: Sun Nov 13, 2011 8:17 am Post subject: |
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Thanks Paul, do the white wires go to the + side of the coil?
As I don't know much about the Alfa boxer engine, is the engine type that I have any good, or is the ones with adjustable tappets better? |
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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Posted: Sun Nov 13, 2011 8:16 pm Post subject: |
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Quote: |
As I don't know much about the Alfa boxer engine, is the engine type that I have any good, or is the ones with adjustable tappets better? |
The one you have is fine I'm sure. They're very similar performance-wise.(105bhp, similar torque)
With the previous engine you had to change shims to adjust valve clearances. At least you don't have to worry about that.
There have been (fairly rare) cases of tappets seizing with the hydraulic version. _________________ Alfa33 QO 1984
Alfa33 1.3i.e. 1994 |
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paulhide P4
Joined: 20 Dec 2003 Posts: 1607 Location: Oh Beautiful Billingham
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Posted: Mon Nov 14, 2011 10:59 am Post subject: |
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I think white wires go to -ve, but it would be good if someone else could verify this. _________________ Owner's Club 33 Registrar. Now from P4 & S2 1.7 QV
http://www.alfa-pages.co.uk/viewtopic.php?t=5188 |
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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Posted: Tue Nov 15, 2011 8:01 am Post subject: |
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They all go to coil.
White - rev counter
Green/black - opposite side to White(ignition switch)
Black - earth on side of coil
(not very good at electrics but that's what it looks like on the wiring diagram). _________________ Alfa33 QO 1984
Alfa33 1.3i.e. 1994 |
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seacutter@btopenworld.com Alfa Arna
Joined: 10 Nov 2011 Posts: 7
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Posted: Tue Nov 15, 2011 9:39 am Post subject: |
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Hi thanks for your help!! will have a go with eagle3's last post on the wiring, will let you know how I get on!
I still need a manual if anyone as one for sale
Thanks again Peter |
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eagle3 Alfa 33
Joined: 11 Nov 2007 Posts: 402 Location: France
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Posted: Tue Nov 15, 2011 7:20 pm Post subject: |
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I don't think Haynes did a manual for the 33.
There's one for a sud/sprint which covers the later sprints(based on the 33). _________________ Alfa33 QO 1984
Alfa33 1.3i.e. 1994 |
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