want more power..
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Senior User
Joined: Oct 2006
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From: north battleford
want more power..
looking for more jam when in 4x4.has lots when in 2wd but would like more low/mid power.what intake is recommended for mostly street/some trail.can get a good deal on a edel performer intake but in the info it says it's more of stock replacement intake??don't want anything where i will loose bottom end.any thoughts on your experiences?
thanks in advance,
andy
thanks in advance,
andy
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Senior User
Joined: Oct 2006
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From: north battleford
think i'm gonna try rejet carb up a size and go through all adjustments just to see if anythings out.right now my jets are 60's (what carb came with).is this maybe just too small for a 351 when gunning it hard??
also -what are the best recommendations on carb.still holley??
probably 600 vac/sec
FTE Legend
Joined: Jul 2010
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From: Northeast, OK
I take back what I said about cams. First, I missed the part about 351W HO, which has a decent cam. Second, from what I see in your sig, and if I decipher it correctly, you have 1 5/8" equal-length headers and dual exhausts. So it sounds like you've done quite a bit to the engine. Given that, you should have "reasonable power" and, if not, you have a tuning problem.
But, there is no definition for "reasonable power". So, the better way to check to see if it is running well is MPG. Do you have a reading, actually several readings, taken on sequential tanks and calculated by using the amount you put in the tank divided into the miles you've driven?
But, there is no definition for "reasonable power". So, the better way to check to see if it is running well is MPG. Do you have a reading, actually several readings, taken on sequential tanks and calculated by using the amount you put in the tank divided into the miles you've driven?
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Senior User
Joined: Oct 2006
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From: north battleford
I take back what I said about cams. First, I missed the part about 351W HO, which has a decent cam. Second, from what I see in your sig, and if I decipher it correctly, you have 1 5/8" equal-length headers and dual exhausts. So it sounds like you've done quite a bit to the engine. Given that, you should have "reasonable power" and, if not, you have a tuning problem.
But, there is no definition for "reasonable power". So, the better way to check to see if it is running well is MPG. Do you have a reading, actually several readings, taken on sequential tanks and calculated by using the amount you put in the tank divided into the miles you've driven?
But, there is no definition for "reasonable power". So, the better way to check to see if it is running well is MPG. Do you have a reading, actually several readings, taken on sequential tanks and calculated by using the amount you put in the tank divided into the miles you've driven?
FTE Legend
Joined: Jul 2010
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From: Northeast, OK
That's decent mileage. If you are still getting that then the engine is running correctly - at least on the road.
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From: Virginia
Make sure your kick-down linkage/rod is hooked up. I had this exact same setup, first with a 302 and then with a 351w, and both needed the kick-down working for some go power.
I was going to say to re-gear the front and rear if you are not going to run the interstate much, but I believe if you can get the kick-down working, it will give you what you want. When you smash the pedal, it will force the tranny into second gear, and when that happens the engine rpms will flare up and that will open the secondaries in the carb, and should really make a difference. I am assuming it's not hooked up, since I had to rig mine when I changed to a holley carb to make it work.
I was going to say to re-gear the front and rear if you are not going to run the interstate much, but I believe if you can get the kick-down working, it will give you what you want. When you smash the pedal, it will force the tranny into second gear, and when that happens the engine rpms will flare up and that will open the secondaries in the carb, and should really make a difference. I am assuming it's not hooked up, since I had to rig mine when I changed to a holley carb to make it work.
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From: north battleford
carb is 4160 .basically same style carb.kickdown is hooked up and adjusted right
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Joined: Jan 2012
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From: Norman, Ar
Fresh gas(mid grade or premium) WLL make a big difference.
A good road trip for several miles will probably help.
Given that your plugs,air filter,gas filter,etc are ok.
You should have ample power with your set-up.
I am still running stock intake and manifolds on mine.
I have the 1406 E-brock carb.
I am also running 31-10-50 tires.
I am very satisfied with the power from my 351HO...
Fleet Mechanic
Joined: Jul 2011
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Depending on the mileage, the motor could be getting tired. I doubt even a 351 HO would feel tired after what you've done with the exhaust though. Headers and duals make a big difference on these old motors.
Invest in a vacuum gauge and set your carburetor and timing with a vacuum gauge and see what she does. I'll bet it'll liven up a good bit. Plus, your gas mileage and power should both go up.
Invest in a vacuum gauge and set your carburetor and timing with a vacuum gauge and see what she does. I'll bet it'll liven up a good bit. Plus, your gas mileage and power should both go up.
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