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Pure racing
How would you jet this combo ?
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Topic: How would you jet this combo ? (Read 2440 times)
Fred1302S
Newbie
Posts: 2
How would you jet this combo ?
«
on:
April 12, 2015, 04:55:44 am »
Hello
I have a 2276cc motor with FK46 and CB 1.4:1 rocker arms. The heads are CB ultrawedgeport 46x38 and the carbs are 51.5IDA with 46 vents. CR is 11:1.
The manifold are big beef ported with the heads by CB. The track is at 1500meters above the sea.
The gearbox 3.55/2.21/1.58/1.21 - 3.875 with a quaife inside.
I would like to have a ballpark for the jetting ?
The goal is to achieve a mid to high eleven. The car is a 64 bug.
i have also a FK89 but i put the FK46 this time.
Thanks for your answers and feel free to tell me if something is wrong in my combo.
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neil68
Hero Member
Posts: 538
Re: How would you jet this combo ?
«
Reply #1 on:
April 12, 2015, 07:24:27 am »
I recently had my 2332 cc on the Dynojet, IDA's with 44 Raptor venturies, MS230 heads 48 x 38, Raptor cam (similar to FK47), 1100 metres elevation.
I ended up with this jetting:
F2
180 main
210 air
65-120 idle
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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:
https://www.youtube.com/watch?v=M9B_H3eklAo
Chris bugster
Full Member
Posts: 189
Re: How would you jet this combo ?
«
Reply #2 on:
April 12, 2015, 14:03:49 pm »
Combo looks good for a hard running street car.
11s are possible with this combo if the car is light enough and on slicks.
If it is going to be just a racecar then more compression-13:1
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11.2@124mph
Fred1302S
Newbie
Posts: 2
Re: How would you jet this combo ?
«
Reply #3 on:
April 12, 2015, 15:46:33 pm »
Thanks for your answers. i needed to know where to begin.
the car is 700kg with me inside.
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