Final check on build
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
Originally Posted by EgoMan
Can anyone clarify for me if a car style intake would work with speed density?
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Fleet Mechanic
Joined: May 2004
Posts: 1,436
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From: Montana
Ok so If you were in my position and you were gonna go with the car style intake and try the SD setup. Would you run the stock lower and by an upper aftermarket or would you buy the upper and lower aftermarket? If so which amnifolds would you reccomend?
Elder User
Joined: Jan 2004
Posts: 819
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From: Troy,NY
Here another option if you find a stock 5.0 car upper intake. It's a plate to adapt the car upper intake to the truck lower intake.
http://bcbroncos.com/store/product_i...oducts_id=1060
http://bcbroncos.com/store/product_i...oducts_id=1060
FTE Legend
Joined: Jun 2006
Posts: 31,930
Likes: 1,499
From: Ottawa, Ontario
[QUOTE=ken75ranger]Here another option if you find a stock 5.0 car upper intake. It's a plate to adapt the car upper intake to the truck lower intake.
http://bcbroncos.com/store/product_info.php?products_id=1060[/QUOTE]
Damn!!
I may have to get one of those, I know I can lay my hands on an HO upper for little or nothing, it would make a good experiment if nothing else. The EGR would be an issue though, the 5.8 is externally manifolded while the 5.0 is internal. I always thought the 5.0HO and 5.8 intake runners had very similar cross sections...
http://bcbroncos.com/store/product_info.php?products_id=1060[/QUOTE]
Damn!!
I may have to get one of those, I know I can lay my hands on an HO upper for little or nothing, it would make a good experiment if nothing else. The EGR would be an issue though, the 5.8 is externally manifolded while the 5.0 is internal. I always thought the 5.0HO and 5.8 intake runners had very similar cross sections...
Hotshot
Joined: Jul 2002
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From: Bend,OR
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Fleet Mechanic
Joined: May 2004
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From: Montana
But would the 5.0 upper compined wit hthe truck lower give me the flow to reach the power levels i need? Also would i not be able to run EGR at this point? If not wouldnt that fail me on emissions pretty hard? I dont need to pass california emissions but i need to me whatever the federal standard is just for the military.
Elder User
Joined: Jan 2004
Posts: 819
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From: Troy,NY
Originally Posted by Kemicalburns
that is kinda cool. i have never seen that before.
Chuck hasn't been making them long around the first of the year he went into production. He does have some dyno data on his site if your interested.
FTE Legend
Joined: Jun 2006
Posts: 31,930
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From: Ottawa, Ontario
I think the truck EGR valve could be employed on the HO intake.. with some fabrication/modification, more investigation needed. But I wonder if HO upper would provide much of an improvement in HP potential over the truck upper, if the runners are about the same diameter but shorter it'll help, but how much?? An optimized 5.0HO will reach about 275-300 crank hp with right parts, but generally to go beyond that a bigger intake is needed. Most of the naturally aspirated 347 combos I see putting 350hp on the ground are using Holley Systemax or Trickflow intakes, these all have intake runners the size of the 5.0 truck intake, or roughly 50% more volume than the factory HO/351 intakes.
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Fleet Mechanic
Joined: May 2004
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From: Montana
Hmm....well edelbrock claims there truck intake with there heads,headers and cam makes 350hp. Aside from there cam and headers I would pretty much be running that setup infact the cam i believe is more agressive. But wouldnt that mean that the intake is good to flow 350hp? I mean it says it operates up to 5500rpm wichis where my cam goes.
FTE Legend
Joined: Jun 2006
Posts: 31,930
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From: Ottawa, Ontario
Originally Posted by EgoMan
Hmm....well edelbrock claims there truck intake with there heads,headers and cam makes 350hp.
FWIW.. a few guys here have tried the 351 truck intake on 408 strokers and reported it strangled the motor.
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Fleet Mechanic
Joined: May 2004
Posts: 1,436
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From: Montana
Yea I missread it...it was the tourqe that was up in the 360 range. Well thats not good I cant have my motor strangled by the manifold so I guess I need to figure out which one of the car manifolds to get. I saw the performer bottom on summit for like 300 bucks and I could get a 1500k-5500K rpm top plenum for the 5.0 on summit for 300 bucks. Question is is that upper plenum a stock replacement like the truck manifold looks like or is it better? Im assuming that if I got a mustang top half and gasket matched the botom to the top it would flow pretty good and then Id have to maybe prot the top to fit the heads better.
There is an upper and lower trickflow setup for the 5.8 but it operates up to 6500rpm. Would this end up hurting me? It also looks like it faces the passenger side so would I be able to turn it to the drivers side and have it work? They look like they are identical no matter which direction they face.....
There is an upper and lower trickflow setup for the 5.8 but it operates up to 6500rpm. Would this end up hurting me? It also looks like it faces the passenger side so would I be able to turn it to the drivers side and have it work? They look like they are identical no matter which direction they face.....
