Carburated 6.0L swap
04-03-2006, 05:41 PM
#1
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Carburated 6.0L swap im in the middle of swapping a carburated 6.0L in to a 87 IROC-Z i Bult my own motor mounts to keep the 700r4 in the stock location
the motor setup will be a demon carb (750-850 cfm) Victor Jr intake and a LG motorsports G5x3
i need advise on long tubes
the motor setup will be a demon carb (750-850 cfm) Victor Jr intake and a LG motorsports G5x3
i need advise on long tubes
04-03-2006, 05:53 PM
#2
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When i ran my speed demon 750 with a performer rpm intake, i had to buy an adapter for a quadrajet carb. Otherwise you will have a vaccuum leak underneath the pass side ports. (carb is wider than intake) Not sure if this is the case with the victor but you might take a look. Adapter was very cheap.
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04-03-2006, 08:14 PM
#9
508 rwhp/6000 rpm on a dynapak dyno
with a .030 over 6.0 l=370 ci
with trex cam and 750 dp "custom" long tubes
73 primaries/77 sec.
cleaned up 317 heads and bowl/valve job with stock valves
surfaced .020
with msd controller, VICTOR JR
in a 3rd gen camaro t56 3.42 4th gen rear with mini spool
built the engine for a buddy in SA
i think it shoulda made a little more than that
ok the custom headers were
with a .030 over 6.0 l=370 ci
with trex cam and 750 dp "custom" long tubes
73 primaries/77 sec.
cleaned up 317 heads and bowl/valve job with stock valves
surfaced .020
with msd controller, VICTOR JR
in a 3rd gen camaro t56 3.42 4th gen rear with mini spool
built the engine for a buddy in SA
i think it shoulda made a little more than that
ok the custom headers were
04-03-2006, 08:29 PM
#10
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nice numbers
mine wont be nearly that big im just going with a stock 6.0L, g5x3 vic JR,demon and some kind of long tubes cutom or purchased. are you pleased with the timming curves on the msd box?
mine wont be nearly that big im just going with a stock 6.0L, g5x3 vic JR,demon and some kind of long tubes cutom or purchased. are you pleased with the timming curves on the msd box?
04-03-2006, 08:42 PM
#11
u getting ur heads worked on?
it should make some good power with that cam
my friend used some modified fox body headers from summit
for like 100$ with ls1 flanges
he took the measurements and had alocal welding muffler shop weld the headers to the ls1 flanges they were 1 5/8 long tubes with 3 in collectors
they look like they were made for 3rd gencamaro ls1 swap
but he is runnin a tubular PA k member
it should make some good power with that cam
my friend used some modified fox body headers from summit
for like 100$ with ls1 flanges
he took the measurements and had alocal welding muffler shop weld the headers to the ls1 flanges they were 1 5/8 long tubes with 3 in collectors
they look like they were made for 3rd gencamaro ls1 swap
but he is runnin a tubular PA k member
04-03-2006, 08:55 PM
#12
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i have a welder but no tube bender so taking purchased parts and mod. them is right up my alley only problem is im still running the stock k-member. but i would rather buy a tubular k member to shave wieght and gain clearance before i would buy those $1200 headers. and there is nothing i enjoy more than taking drand new ford partsand cutting them up lol.
can you tell me if he running the tube a arms and wht brand fox body headers were they
can you tell me if he running the tube a arms and wht brand fox body headers were they
04-03-2006, 09:17 PM
#13
they are summit headers for a fox body 5.0 87-92
i think they run like 95-100$
u should look into them, the port spacing is dam near identical to ls1
just chop off the 5.0 flange and weld a ls1 flange
take some measurements first though
he is also running the stock a arms and using a 4th gen disc conversion on the front from a lt1 camaro
that car is fun to drive
i am also working on a few carb lsx engines
i think they run like 95-100$
u should look into them, the port spacing is dam near identical to ls1
just chop off the 5.0 flange and weld a ls1 flange
take some measurements first though
he is also running the stock a arms and using a 4th gen disc conversion on the front from a lt1 camaro
that car is fun to drive
i am also working on a few carb lsx engines
04-04-2006, 03:39 PM
#14
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thanks, this will get me headded in the right direction. i just couldnt brig my self to pay $1200 for headers when i only payed $2000 for a car that ran and drove fine. price included a nos wet system tha was already installed
04-04-2006, 08:22 PM
#15
Did ya see the post on here, where a guy used 5.0 mustang headers, and put ls1 flanges on them? do a search, i think it was about long tube fox body headers or something like that, it seem it would be a good do it yer self thing to do, mj
04-06-2006, 11:22 PM
#16
i have the stainless works headers.
i lost a bit of torque with these headers as i think they are built too straiforword.
all the pipes are in a line and go strait to the collector. not the best design, IMO, but they did show nice gains up top.
stock z06 manifolds.
95.55
headers, no other changes
96.96
i lost a bit of torque with these headers as i think they are built too straiforword.
all the pipes are in a line and go strait to the collector. not the best design, IMO, but they did show nice gains up top.
stock z06 manifolds.
95.55
headers, no other changes
96.96
