Club G40 Forum
Technical => Engine and Transmission => Topic started by: Bushpig on August 18, 2016, 05:04:47 pm
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Hi,
Was woundering are only charged dubs 315cc injectors too big for a polo g40 that is not turbo'd converted , however is fairly modified , i am after g60 greens 250cc ones as i think my spec is on the limit of g40 injectors but greens are becoming harder to sorce.
Do the 315cc once installed just run to a fraction of there potential or do they flood the chambers 'all or nothing'??
Cheers
Danny.
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What is your complete setup so far?
PSD normally said you only needed redtops when going 1341 cc, high CR, ported head and wilder cams. I know that they where challenging to get to idle properly on 1341 cc engines
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What is your complete setup so far?
PSD normally said you only needed redtops when going 1341 cc, high CR, ported head and wilder cams. I know that they where challenging to get to idle properly on 1341 cc engines
Not required with a G40 lader - 250cc/min is fine.
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This is the issue im having struggerling to find g60 injectors :(
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https://www.fiveomotorsport.com/24lb-bosch-fuel-injector-0280150947-blue-top
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Has anybody had use of these chevy injectors ? Would they be excepted carnt see why not being bosch and correct pin connection??
What about ford injectors of the same cycle rate?
Cheers
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Be wary of those Ford injectors, the pintle design is completely different to the early EV1 Bosch injectors - and whilst their peak flow rate is the same, their spray pattern is vastly different to G60 'greens'.
This means that on a higher CR build (where you typically need less fuel than on stock 8:1 CR) it may well overfuel massively at idle, and it's not possible to map around - even when messing around with injector scaling in the map as well as the fuel map itself, at a few percent duty they just throw too much fuel in.
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http://www.maxrpm.de/Bosch-Injector-green-245ccm-original-for-Golf-G60-Corrado-G60-Passat-G60-0280150905