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Gt40P heads, Typhoon Intake, 70mm throttle body 

 

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Posted: Mon Mar 03, 2008 8:10 pm 
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I think its a replica of the Edelbrock Performer .

 

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Posted: Mon Mar 03, 2008 8:16 pm 
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steven13 wrote:
I think its a replica of the Edelbrock Performer .


If it is thats good, it'll work well.
If its the RPM i'd be getting rid of it quicker than the 70mm T/B. In its place would be an Explorer/GT-40/Cobra or an Edelbrock Performer.

 

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Posted: Mon Mar 03, 2008 9:45 pm 
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Should be an OK setup.


STD injectors might be OK, but the std MAF will definitely be a cork in the system.

Agree that the TB is a little too big, but unless you can get your hands on a 65mm AU for cheap or as a swap, then might as well run it and see what happens.

Taking 0.030" off the heads will give compression a good bump, and shouldn't hurt the intake alignment too much, but you may need to check things like piston to valve clearance (but then again, maybe not with the stock cam?)
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Posted: Wed Mar 05, 2008 7:15 pm 
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I think that the 70mm TB is ok for the EL.
I'm running a 75mm American sourced TB on my AU 5l with a 65mm MAF. Polished steel intake...etc, didnt notice much difference with take off at all. But then again, the voltages NEED to be spot on
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Posted: Sat Mar 08, 2008 3:57 pm 
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XH5LWEPN
Do you know if that EL GT MAF is for sale yet.
thanks Steve

 

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Posted: Sun Mar 09, 2008 12:20 am 
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Tmk the Gt mafs are calibrated 19Lb ..
Milling the heads also tightens up pushrod length...

 

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Posted: Sun Mar 09, 2008 9:46 am 
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EBXR8380 wrote:
Tmk the Gt mafs are calibrated 19Lb ..
Milling the heads also tightens up pushrod length...


i always thaught the GT mafs were calibrated for 24lb injectors?

 

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Posted: Sun Mar 09, 2008 11:15 am 
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millard455 wrote:

i always thaught the GT mafs were calibrated for 24lb injectors?


Correct....

 

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Posted: Tue Mar 11, 2008 12:29 pm 
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What does this mean and what are the advantages.
Thanks Steve

 

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Posted: Tue Mar 11, 2008 1:10 pm 
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More air goes in (ELGT MAF is less of a restriction) and more fuel as long as you have the ECU to go with it. More = power.

 

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Posted: Tue Mar 11, 2008 2:32 pm 
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Sorry this is what I meant
Milling the heads also tightens up pushrod length...

 

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Posted: Tue Mar 11, 2008 3:38 pm 
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It means you may need shorter pushrods, depending of course how much you mill off the heads.
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Posted: Tue Mar 11, 2008 4:16 pm 
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Okay thanks

 

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