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5.7 Intake Manifold Compatibility #2362906
08/31/17 04:03 PM
08/31/17 04:03 PM
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VincentVega Offline OP
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VincentVega  Offline OP
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Is there any ability to take the modern active intake manifold (variable runner) and put it on an early Gen III? (i.e. 2005 5.7)

Did some casual searching for this topic and did not come up with anything. I was considering taking a look at making something, but if there is bolt hole and port shape compatibility already, could be easier to modify than start from scratch


Thanks


Looking for 1975 through 1978 B body 4 door sedan sheet metal or parts cars - monaco, fury, coronet. Please let me know
Re: 5.7 Intake Manifold Compatibility [Re: VincentVega] #2363012
08/31/17 07:14 PM
08/31/17 07:14 PM
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ric3xrt Offline
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Simple answer, no.....but if you take the whole top end of an Eagle 5.7 heads intake than yes....but the electrical end of it would need to be worked out.


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Re: 5.7 Intake Manifold Compatibility [Re: VincentVega] #2363141
08/31/17 11:27 PM
08/31/17 11:27 PM
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WO23Coronet Offline
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If you used some adapters for the early 5.7 heads (early 5.7 guys used them for 6.1 intake swaps) and wired up the servo motor for the variable intake (lots of 5.7 eagle guys have done this when swapping 6.4 SRT intakes on them, I think they use an MSD rpm switch set at 4400 rpm, this seems to be the cross over point for the long runner to short runner) it could be done.

Re: 5.7 Intake Manifold Compatibility [Re: VincentVega] #2363165
09/01/17 12:08 AM
09/01/17 12:08 AM
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VincentVega Offline OP
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Thanks for the info!


Looking for 1975 through 1978 B body 4 door sedan sheet metal or parts cars - monaco, fury, coronet. Please let me know
Re: 5.7 Intake Manifold Compatibility [Re: VincentVega] #2363289
09/01/17 08:17 AM
09/01/17 08:17 AM
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Trumbauersville PA
ric3xrt Offline
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http://3rdstrikeperformance.com/index.ph...roducts_id=1922

Not sure if it's a good price but they have the adaptors.
FWIW , I think your better off with the eagle heads.


Let me Clarify my Simple answer NO, what is not taking into consideration when putting the eagle intake on the 03-08 heads is with the adaptors the Injector is now a1/4 higher in the charge path and shrouded by the adaptor, there is a reason there is a notch in the intake port on the early Hemi head.
My $.02 worth ,

Last edited by ric3xrt; 09/04/17 10:18 AM.

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