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17-08-2008, 03:35 AM
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Tuned by HPF
Join Date: Jan 2007
Location: Cranbourne
Posts: 415
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Hi All,
Just finished installing a new cam and roller rockers (along with springs, retainers lifters etc.) Nice power and sound increase.....but what's next????? I have been doing some research and I would like to take the big step and replace the heads, I think a nice set of AFR165's or Twisted Wedge heads would suit the application, but I am unsure about replacing the intake. I have a GRA gas kit on the car, with the restriction of the gas TB would it even be worth replacing the intake?. Would a Trickflow intake give me much of a gain over the stock explorer intake anyway? I have read many times that the Explorer is a decent intake for street applications. I can't change the TB so I'm thinking it will be a waste of time and money to continue to add performance parts that will improve flow if it still has a TB that has a limited flow. (SVI kit next time!) What do you think? Get the heads and intake or just the heads and keep the explorer? |
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17-08-2008, 11:58 AM
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Wizard Member
Join Date: May 2007
Location: South Eastern Victoria
Posts: 3,999
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From what I've seen in the past, intake manifold by itself doesn't provide much gains but combined with an overall package would obviously help for end result. for just a cammer with heads explorer intake would probably suffice but if you stroke it and do it all it would be worthwhile and definitely use bigger TB and MAF.
__________________
Frosty and FPR - Bathurst winners 2013 
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17-08-2008, 12:04 PM
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www.TUFFCARPARTS.com
Join Date: Feb 2006
Posts: 5,221
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Hey mate, mind if I ask where you got the GRA kit installed, and what you thought of the installers?
Thanks, Justin.
__________________
http://i1233.photobucket.com/albums/...psc203b7b1.jpg |
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17-08-2008, 12:07 PM
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I miss my wheelbarrow
 
Join Date: Jan 2005
Location: Bluestreak Performance
Posts: 11,500
 
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The thing is with gas (my basic understanding) that it takes up a lot of space, and therefore requires a larger cross-sectional area of intake path to get the power back up to petrol level. Perhaps an intake like the TFS R Box upper would be on the cards, (provided the flow was there with the converter).
With heads, AFR 165's are an excellent choice, but I would get them custom ordered with an angle milled smaller chamber for more lpg-loving compression? 50cc chambers should see you around 10.2:1. Daniel |
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17-08-2008, 06:43 PM
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Tuned by HPF
Join Date: Jan 2007
Location: Cranbourne
Posts: 415
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Quote:
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17-08-2008, 06:44 PM
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#6 | |||
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Tuned by HPF
Join Date: Jan 2007
Location: Cranbourne
Posts: 415
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Quote:
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17-08-2008, 06:53 PM
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FF.Com.Au Hardcore
Join Date: Sep 2006
Posts: 2,981
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I thought your car was blown? What happened there?
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