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CB Performance rotary pump capabilities?
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Topic: CB Performance rotary pump capabilities? (Read 3733 times)
leec
Hero Member
Posts: 2585
CB Performance rotary pump capabilities?
«
on:
August 05, 2017, 13:22:40 pm »
I have used successfully the CB Performance rotary 3.5psi pump on my 2276cc oval. I like it as it doesn't require a separate regulator.
Thinking about what pump to run on the Notch, initially running a 230-240 bhp normally aspirated motor. Will the CB pump cope with that?
Lee
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flatfire
Sr. Member
Posts: 441
Re: CB Performance rotary pump capabilities?
«
Reply #1 on:
August 06, 2017, 10:46:37 am »
I have used a rotary pump for years. Was having lots of problems with my new motor running 48idas. Before I hooked up the rotary I replaced the filter. Curious as ever I cut it in half and it was pretty clogged up. Sucking out of ancient petrol tanks😊. Anyway I attached a gauge to check the pressure it was bang on 3psi after all these years. I measured flow into a jug more than enough for a 200hp engine.
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neil68
Hero Member
Posts: 538
Re: CB Performance rotary pump capabilities?
«
Reply #2 on:
August 08, 2017, 04:30:38 am »
I received a pm on another forum, from someone who mentioned to me that switching from the CB Carter rotary pump to another pump (I believe a Holley) moved their Beetle from stubborn low 12's to well into the 11's in the 1/4-mile first time out.
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Neil
Der Kleiner Rennwagens
'68 Beetle, 2332 cc, 204 WHP
12.5 seconds @ 172 KM/H (107.5 MPH)
Dynojet Test:
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leec
Hero Member
Posts: 2585
Re: CB Performance rotary pump capabilities?
«
Reply #3 on:
August 08, 2017, 08:12:52 am »
That's interesting. Wonder why that would make so much difference?
Lee
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jim martin
Newbie
Posts: 22
Re: CB Performance rotary pump capabilities?
«
Reply #4 on:
August 09, 2017, 06:08:02 am »
Was most likely running bowls low .
Now new pump keeps them full , no more lean due to low fuel level
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richie
Hero Member
Posts: 5622
Re: CB Performance rotary pump capabilities?
«
Reply #5 on:
August 09, 2017, 09:06:11 am »
No
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Cars are supposed to be driven, not just talked about!!!
Good parts might be expensive but good advice is priceless
leec
Hero Member
Posts: 2585
Re: CB Performance rotary pump capabilities?
«
Reply #6 on:
August 09, 2017, 09:38:02 am »
Thanks guys,
Looks like a new pump is required. What colour Holley is needed for Ida's?
Is there a better alternative?
Lee
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Lids
Hero Member
Posts: 3527
show me the chedder
Re: CB Performance rotary pump capabilities?
«
Reply #7 on:
August 09, 2017, 22:20:40 pm »
i like the mallory pump and matching regulator (return style)
Logged
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