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| Su jetting https://ausmini.com/forums/viewtopic.php?f=2&t=100354 |
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| Author: | Dan69s [ Fri Sep 04, 2020 8:31 pm ] |
| Post subject: | Su jetting |
Hi all, I have a mk1 Cooper s motor. It has been bored to 1330 with Russell Engineering pistons, and standard Cooper s crank, has a RE266 cam. The head is ported and polished aNd I’m running twin 1/12 inch su’s. My question is, what is the set up you would use to tune the su’s, and which plugs you would use. Thanks in advance. Daniel |
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| Author: | simon k [ Fri Sep 04, 2020 8:36 pm ] |
| Post subject: | Re: Su jetting |
#6 needles were good when I had a similar spec |
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| Author: | Dan69s [ Sun Sep 06, 2020 4:21 pm ] |
| Post subject: | Re: Su jetting |
Thanks |
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| Author: | Ian_B [ Sun Sep 06, 2020 5:07 pm ] |
| Post subject: | Re: Su jetting |
Number 7 same at idle and off idle but it is a but a bit richer every where else .Even CP4 didnt work for me |
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| Author: | Dan69s [ Mon Sep 07, 2020 4:22 pm ] |
| Post subject: | Re: Su jetting |
the trouble im having is it idles fine, but really rich at higher revs. |
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| Author: | timmy201 [ Mon Sep 07, 2020 5:26 pm ] |
| Post subject: | Re: Su jetting |
So what needle and spring do you have now? |
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| Author: | drmini in aust [ Thu Sep 10, 2020 7:12 am ] |
| Post subject: | Re: Su jetting |
I ran #6 needles in the 1293 with Ramflo filters. A/F meter on the dyno drew a straight line. It ran a Wade cam and 1.44 Corolla rockers. |
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| Author: | diecast [ Thu Sep 10, 2020 5:44 pm ] |
| Post subject: | Re: Su jetting |
NGKBP6ES plugs for casual road driving, BP7ES plugs for being driven hard |
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