Does anyone here truck pull?
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Senior User
Joined: Apr 2004
Posts: 270
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From: pittsburgh,pa
Does anyone here truck pull?
I am new to truck pulling and I would like to get more involved with it. I have a 77 f250 4.10 gears, 400, 4spd. I know I need to build a engine and do a bunch of other things. I want to do the engine first. What are some suggestions on motors to build for alot of torque, other than the 460. I want to be different and use another ford engine. There is the stroker 400, are there any others that can produce alot of torque?
Post Fiend
Joined: Nov 2001
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From: Coutts Canada
Well you got an excellant start on this in terms of the truck, thats for sure (is it 4wd or 2?). For the 400 i would recomend bumping the comp. up to the 9.0-10.0 range (theres a post in the 335series forum about a new set of forged pistons for the 400). As far as the stroke, well these motors already have a 4" stroke, and to be honest i would spend to money on making the motor bullet proof verses being a stroker. A few things i'd do would be to add a high volume oil pump (it would be wise to use a baffled oil pan), and there are a few things to do up top to help keep the oil on the mains.
For the cam a dual pattern in the .501 ish lift range would be a start, but maybe someone could chime in here on that. One thing i would highly conisder doing is having the motor blueprinted and balanced for those many trip over 5K.
Thats all i have for now
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For the cam a dual pattern in the .501 ish lift range would be a start, but maybe someone could chime in here on that. One thing i would highly conisder doing is having the motor blueprinted and balanced for those many trip over 5K.
Thats all i have for now
.
Senior User
Joined: Aug 2003
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From: clarks mills, PA
yeah find the motor rules for your class. because around here your limited to a .060 over, stock stroke and 750cfm vac sec carb. no domed pistons, roller rockers (roller tipped allowed), or roller cams. your allowed an aluminum intake but block and heads have to be cast. so figure out your limitations before you start
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Senior User
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From: pittsburgh,pa
I may drive it occasionally on the street. Here are the rules for a pulling association called North west. There also is Full pull productions.
5. Engine – Factory manufactured engine for make of pick-up truck. No internal or visual modifications except for up to .060 overbore. Dress up kits allowed. One (1) single four-barrel carburetor, vacuum secondary only, no double pumpers, and no more than 750 CFM. One (1) inch maximum spacer plate under carburetor only. After market mechanical fuel pump permitted. Electric fuel pumps allowed on Diesels. Dual plane one (1) piece aluminum intake no modifications.
5A. Intake manifolds: - no alterations
5B. Heads – cast iron stock production O.E.M. heads. No alterations except for planing.
5C. Cam – Any hydraulic cam.
5D. Pistons – Flat top or dish, no dome.
5E. Fuel pumps – No electric fuel pumps unless factory installed.
5F. Engine must remain in stock location.
5G. Roller Tips press steel rocker arms.
Heres Full pulls rule:
NO ALUMINUM ENGINE BLOCKS ARE PERMITTED UNLESS O.E.M. NO OPEN HEADERS WILL BE ALLOWED. GASOLINE IS THE ONLY FUEL PERMITTED. ABSOLUTELY NO ALCOHOL, NITROUS OXIDE OR OTHER OXYGEN EXTENDERS. TURBO-BLUE AND CAM-2 ARE PERMITTED. HEADERS ARE APPROVED BUT ALL EXHAUST MUST RUN THROUGH A MUFFLER SYSTEM. NO SUPERCHARGERS OR TURBOCHARGERS UNLESS O.E.M. FOR THAT MODEL YEAR. ENGINE SWAPS BETWEEN MANUFACTURERS ARE NOT PERMITTED.
5. Engine – Factory manufactured engine for make of pick-up truck. No internal or visual modifications except for up to .060 overbore. Dress up kits allowed. One (1) single four-barrel carburetor, vacuum secondary only, no double pumpers, and no more than 750 CFM. One (1) inch maximum spacer plate under carburetor only. After market mechanical fuel pump permitted. Electric fuel pumps allowed on Diesels. Dual plane one (1) piece aluminum intake no modifications.
5A. Intake manifolds: - no alterations
5B. Heads – cast iron stock production O.E.M. heads. No alterations except for planing.
5C. Cam – Any hydraulic cam.
5D. Pistons – Flat top or dish, no dome.
5E. Fuel pumps – No electric fuel pumps unless factory installed.
5F. Engine must remain in stock location.
5G. Roller Tips press steel rocker arms.
Heres Full pulls rule:
NO ALUMINUM ENGINE BLOCKS ARE PERMITTED UNLESS O.E.M. NO OPEN HEADERS WILL BE ALLOWED. GASOLINE IS THE ONLY FUEL PERMITTED. ABSOLUTELY NO ALCOHOL, NITROUS OXIDE OR OTHER OXYGEN EXTENDERS. TURBO-BLUE AND CAM-2 ARE PERMITTED. HEADERS ARE APPROVED BUT ALL EXHAUST MUST RUN THROUGH A MUFFLER SYSTEM. NO SUPERCHARGERS OR TURBOCHARGERS UNLESS O.E.M. FOR THAT MODEL YEAR. ENGINE SWAPS BETWEEN MANUFACTURERS ARE NOT PERMITTED.
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Senior User
Joined: Apr 2004
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From: pittsburgh,pa
I am hoping to build a stroker as they make more torque. What engine are you guys running, and how are you doing using that engine?
Last edited by lifted77f250; Sep 30, 2005 at 12:05 PM.
Elder User
Joined: Jul 1999
Posts: 877
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From: Missouri
Do they have a cubic inch limit or just the 0.60 overbore rule? We have a cubic inch limit of 468 c.i. You can build it however you want as long as your not over 468. The clubs around here pump the motors to check c.i.
I run in a class that requires all cast iron O.E.M. stuff including intake. We can run headers but have to have mufflers. My motor is a destroked long rod 460 with domed pistons and a solid roller cam. With ported DOVE heads turned 72-7400 down the track and has never been low on power with a 26:1 final gear.
Your rules pretty well tell how you can build your motor. With no internal mods that kinda leaves a stroker out.
I run in a class that requires all cast iron O.E.M. stuff including intake. We can run headers but have to have mufflers. My motor is a destroked long rod 460 with domed pistons and a solid roller cam. With ported DOVE heads turned 72-7400 down the track and has never been low on power with a 26:1 final gear.
Your rules pretty well tell how you can build your motor. With no internal mods that kinda leaves a stroker out.
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Post Fiend
Joined: Nov 2001
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From: Coutts Canada
If it were me, i would build for rpm judgig from what the rules state. I would find a set of cleveland (stock cast iron heads to the 335series motors ) 4v quench heads, flat top pistons, then put a decent sized cam and all the other things that go with it. Granted you will lose your low rpm power, but really how much time are you going to be spending down low?
But who knows, i have never participated in any type of pulling contest, just bogs, i'm just goig by what i've watched and heard.
) 4v quench heads, flat top pistons, then put a decent sized cam and all the other things that go with it. Granted you will lose your low rpm power, but really how much time are you going to be spending down low?But who knows, i have never participated in any type of pulling contest, just bogs, i'm just goig by what i've watched and heard.
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From: Senoia, GA
Originally Posted by fordman300
yeah find the motor rules for your class. because around here your limited to a .060 over, stock stroke and 750cfm vac sec carb. no domed pistons, roller rockers (roller tipped allowed), or roller cams. your allowed an aluminum intake but block and heads have to be cast. so figure out your limitations before you start
-cutts-
Post Fiend
Joined: Nov 2001
Posts: 5,871
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From: Coutts Canada
Thats a good question cutts, i've always kinda wondered that as well.
But they might have some type of air gauge thingy or something that can measure why someone cranks the motor over, plus you can tell a lot by how the motor sounds.
But they might have some type of air gauge thingy or something that can measure why someone cranks the motor over, plus you can tell a lot by how the motor sounds.
Posting Guru
Joined: Sep 2002
Posts: 2,195
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From: San Antonio, Texas
They would probly want too if your beating the snot outa everyone every time you race,
then if you say no they probly ban you.
I know they did that to 1 guy here at san antonio speedway years ago, this guy was running away with the race and when he won the main event at the end of the night, they checked under hood and went as far as taking the carb and intake off and did'nt find enything, but one of the officials wanted too pop off a head and the guy said hell no, so they baned him.
Sorry for the long story.
then if you say no they probly ban you.
I know they did that to 1 guy here at san antonio speedway years ago, this guy was running away with the race and when he won the main event at the end of the night, they checked under hood and went as far as taking the carb and intake off and did'nt find enything, but one of the officials wanted too pop off a head and the guy said hell no, so they baned him.
Sorry for the long story.
Hotshot
Joined: Dec 2003
Posts: 18,423
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From: iowa
ok first off you said cam2, and turbo blue are allowed, those are both 110 octane so your good to go with upto 13:1 compression, so I would look for a set of closed chamber 2v aussie heads with flat top pistons, and deck the block to get within .010 piston to deck hieght this will give you lots of compression. Mustang mentined the 4v cleveland quench heads but you can't get a manifold that will fit those on a 400 without adaptors, and with the rules as you listed they won't allow it since it they would look at it as a multipiece intake.
it says you can run a 1" spacer well buy a HVH super sucker spacer these things really improve the signal to the carb infact on my engine I had to jet my carb down 4 jet sizes after installing one, and the 1090 carb that was marginal without it was plenty with it so with that a 750 is going to be more than enough even on a stroker version.
you didn't mention whether they have a vacum rule or not that would make a huge difference on what cam you can run.
it says you can run a 1" spacer well buy a HVH super sucker spacer these things really improve the signal to the carb infact on my engine I had to jet my carb down 4 jet sizes after installing one, and the 1090 carb that was marginal without it was plenty with it so with that a 750 is going to be more than enough even on a stroker version.
you didn't mention whether they have a vacum rule or not that would make a huge difference on what cam you can run.