3v manifolds on 4.6 2v? - TCCoA Forums
 
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post #1 of 12 (permalink) Old 04-22-2012, 01:52 PM Thread Starter
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3v manifolds on 4.6 2v?

I bought 2 1995 T-birds with 4.6 4r70w and I see the obstacle of putting headers or true duals. Kinda narrowed to the kooks longtube headers and the scp for the true duals. I know that there are adapter plates for 2v headers to mount to a 3v 4.6... But I was wondering if they could work in reverse because I have a set of 3v manifolds one the shelf from my 2008 mustang, I know they flow pretty good, most people say the are good up to 450 hp...

Any thoughts?
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post #2 of 12 (permalink) Old 04-22-2012, 02:06 PM
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post #3 of 12 (permalink) Old 04-22-2012, 02:12 PM Thread Starter
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What kind of setup does he have? And what I meant about 450 hp is that is the point where the 3v manifolds become a major restriction
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post #4 of 12 (permalink) Old 04-22-2012, 02:15 PM
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What kind of setup does he have? And what I meant about 450 hp is that is the point where the 3v manifolds become a major restriction
Lets just say a monster Check out his web site

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post #5 of 12 (permalink) Old 04-22-2012, 02:20 PM
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What kind of setup does he have? And what I meant about 450 hp is that is the point where the 3v manifolds become a major restriction
Trick flow top end, cams and a T trim to sum it up. The ported stock manifolds aren't a restriction at his power level so they're just fine for a N/A 2V. Biggest benefit with headers is scavenging, but anything less than longtubes won't be effective anyway.

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post #6 of 12 (permalink) Old 04-22-2012, 02:47 PM Thread Starter
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Trick flow top end, cams and a T trim to sum it up. The ported stock manifolds aren't a restriction at his power level so they're just fine for a N/A 2V. Biggest benefit with headers is scavenging, but anything less than longtubes won't be effective anyway.
I've been eyeing up that trick flow top end kit and been drooling...

My plans are to have one t-bird as a daily driver and the other to maybe mod it up for a drag car. The drag car would be something like...

4.6 with the TFS top end kit
Edelbrock victor jr.
MSD MOD controller
Holley 670 street avenger
3500 stall converter
4.10 gears
Exhaust.... Still Unknown

But the drag car is for another thread...
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post #7 of 12 (permalink) Old 04-22-2012, 05:53 PM
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Drag car with only 4.10s and 3500 stall?
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post #8 of 12 (permalink) Old 04-22-2012, 08:47 PM
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What wrong with 4.10's and 3500?
Have to start some where.

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post #9 of 12 (permalink) Old 04-23-2012, 12:07 AM
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Originally Posted by Jimmy Tango View Post
I bought 2 1995 T-birds with 4.6 4r70w and I see the obstacle of putting headers or true duals. Kinda narrowed to the kooks longtube headers and the scp for the true duals. I know that there are adapter plates for 2v headers to mount to a 3v 4.6... But I was wondering if they could work in reverse because I have a set of 3v manifolds one the shelf from my 2008 mustang, I know they flow pretty good, most people say the are good up to 450 hp...

Any thoughts?
I remember when I first started working on birds too lol

1:We have a few options regarding headers, either send your stock ones out to be ported and coated, or upgrade to Kooks, which are the only headers that flow worth a damn that actually directly fit the chassis, mustang headers can be modified to fit (extensive modification), and finally JBA makes a set of shorties that don't flow any better (some claim WORSE) then the stock manifolds.

2: SCP is the only source for Kooks headers, however they are NOT the only source for dual exhaust, chances are there is a local shop that could fab up duals likely for less the SCP, or you could order a kit from Mandrel Bends (search is your friend).

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post #10 of 12 (permalink) Old 04-23-2012, 02:36 AM Thread Starter
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I remember when I first started working on birds too lol

1:We have a few options regarding headers, either send your stock ones out to be ported and coated, or upgrade to Kooks, which are the only headers that flow worth a damn that actually directly fit the chassis, mustang headers can be modified to fit (extensive modification), and finally JBA makes a set of shorties that don't flow any better (some claim WORSE) then the stock manifolds.

2: SCP is the only source for Kooks headers, however they are NOT the only source for dual exhaust, chances are there is a local shop that could fab up duals likely for less the SCP, or you could order a kit from Mandrel Bends (search is your friend).
As I was searching around I came across the mandrel bends system... Looks like that's what I'm going to get... Thanks

If finances permit... The kooks would be the way I'd probably go for in my 'drag car'
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post #11 of 12 (permalink) Old 04-23-2012, 02:45 AM Thread Starter
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Drag car with only 4.10s and 3500 stall?
If I were to find an updated 4r70w from a 5.4 I would probably go for a higher stall, but I've just got the stock trans right now to work with.

As for the 4.10s, I might be fearing the gear a bit lol
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post #12 of 12 (permalink) Old 04-23-2012, 07:07 PM
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If I were to find an updated 4r70w from a 5.4 I would probably go for a higher stall, but I've just got the stock trans right now to work with.

As for the 4.10s, I might be fearing the gear a bit lol
whats to fear? I run 4.30s in my LX. As of right now, i drive it everyday....

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