Click Here -> Please Consider Making a PayPal Contribution to the FordSix Forum!
2019 Contributors:
NJwpod, 1strodeo, mightynorseman, maxtrux, 6d7coupe, broncr, Phase3, 68Flareside240, bmbm40,
mustang6, WorldChampGramp, justintendo, BigBlue94, ags290, motorsickle1130, Rooster, ousooner919, ethanperry
rzcrisis, DoctorC, jamyers, Motorboy, fastpat, Silverback280, chad


<<< New Site Update >>>

Search found 44 matches

by BikeGramps
Thu Jul 26, 2012 12:09 am
Forum: 240-300 "Big Block" Six Performance
Topic: Help Needed '66 F100 Carb/Intake for 300 new engine
Replies: 8
Views: 2720

Re: Help Needed '66 F100 Carb/Intake for 300 new engine

I made mine out of 1/4"x 1-1/2"x 1-1/2" stainless, with a 3/8" hole drilled in the center of each one. Then cut the lower ones to fit. I got the idea from a post by FTF. I am using the hedman hedder gaskets from summit. I glue them on the head with form-a-gasket and trim the port...
by BikeGramps
Sun Jul 22, 2012 11:36 am
Forum: 240-300 "Big Block" Six Performance
Topic: 1979 408 Swap for a 1985-86 300-6
Replies: 31
Views: 5341

Re: 1979 408 Swap for a 1985-86 300-6

In your first post you said you had a 351 cleveland modified ( stroked ) to a 408. A 351 cleveland ( rare and I never heard of as stock in a truck ) uses the same bell housing as our 300's. A 351m, witch did come as stock in trucks uses a big block bell housing but shares many internal parts with th...
by BikeGramps
Thu Jul 12, 2012 8:31 pm
Forum: 240-300 "Big Block" Six Performance
Topic: need help with 1976 industrial 300
Replies: 56
Views: 4876

Re: need help with 1976 industrial 300

I heated the cloyes gear in the oven at 350 for 3 hours as FTF said, I did not freeze the cam. With hot pads I started the gear on and pulled it on with a bolt and heavy washer. You will need leverage to keep the cam from spinning while turning the bolt as quite a lot of force is required, as the ge...
by BikeGramps
Fri Jun 29, 2012 7:35 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Help Needed '66 F100 Carb/Intake for 300 new engine
Replies: 8
Views: 2720

Re: '66 F100 Carb/Intake for 300 new engine

Welcome to the forum. I recently put an offy "C" intake with a holley 390 and hedman headers on my truck. I am very happy with the results. It feels like about double the power and passing is no longer an issue. I have the electric choke, I had not heard of needing a resistor and hooked th...
by BikeGramps
Thu May 24, 2012 8:48 pm
Forum: 240-300 "Big Block" Six Performance
Topic: oil dipstick
Replies: 6
Views: 2446

Re: oil dipstick

when I bought my truck, an 85 f150 with a 300 six, it had the same problem. Dipstick mounted in the block centered front to rear. It also would contact the crank. I do not believe that engine was original to the truck. When I built my new engine I used a rear sump pan from an 83 bronco, the dipstick...
by BikeGramps
Wed May 16, 2012 8:56 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Head milling numbers please?
Replies: 7
Views: 1275

Re: Head milling numbers please?

I have run into 3 cracked heads, all carbed. All cracked across number 4 or 5 exhaust valve seat. crosswise to the head not length wise. All were still running fine but using coolant. One I could smell antifreeze in the exhaust.
bikegramps
by BikeGramps
Wed May 16, 2012 8:48 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Lifter trouble
Replies: 15
Views: 2805

Re: Lifter trouble

If there are solid lifters mixed in ( and I think it would be so obvious he would have noticed ) it still would not feel like he was going to bend the pushrod, as the valve would just open when he continued to turn the locknut. If it is coming up solid and the valve is not opening then there is some...
by BikeGramps
Tue May 15, 2012 10:10 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Lifter trouble
Replies: 15
Views: 2805

Re: Lifter trouble

Like iron against iron soild...no movement, zero. If I pull on the wrench any harder, I think I'm going to bend the pushrod.[quote="worken2much"] Did you pump the lifters in oil before install ? Put them in oil and push the plunger down with a pushrod until air quits bubbling up? If so did...
by BikeGramps
Tue May 15, 2012 9:39 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 240/300 '66 F100 Build Q's
Replies: 34
Views: 3982

Re: 240/300 '66 F100 Build Q's

Cloyes has a 3-key gearset that advances 4*, straight up, or retards 4*. Summit sells a fuel tank liner kit, Liquid, you pour it in roll the tank to coat all surfaces and let it cure.
bikegramps
by BikeGramps
Tue May 15, 2012 9:24 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Castro Says: "Clean your intake out"
Replies: 10
Views: 1548

Re: Castro Says: "Clean your intake out"

Summit and jegs both sell oil separators for your pcv valve hose.
bikegramps
by BikeGramps
Sun May 06, 2012 7:53 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Starter issue ? advice needed
Replies: 5
Views: 1241

Re: Starter issue ? advice needed

Thanks Bubba. The hi-torque starter I bought will not fit. It contacts the headers in all clocking positions. It is an offset gear reduction mini starter. I took it back and bought a rebuilt ( in china) high performance starter from NAPA. It started 3 times, testing did not warm the truck up, then j...
by BikeGramps
Wed May 02, 2012 5:15 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Starter issue ? advice needed
Replies: 5
Views: 1241

Re: Starter issue ? advice needed

Where would I measure the offset at? Do you know offhand what your flywheel tooth count is on your 94 motor? Mine is 164 tooth count. I installed a new solenoid this morning as I had one on hand. It starts better but not good enough. I went to NAPA and ordered a hi torque starter and a heat blanket....
by BikeGramps
Tue May 01, 2012 8:02 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Starter issue ? advice needed
Replies: 5
Views: 1241

Starter issue ? advice needed

Finally got my new motor built and installed. Broke in cam last night. Started fine no issues. Today I changed oil retorqued everything and went for a drive. The starter dragged a bit at first then fired right up. Idled good ran great! Wow what a difference. Pulled over and shut down 4 miles later t...
by BikeGramps
Thu Apr 12, 2012 8:46 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Oil filter stud
Replies: 12
Views: 3157

Re: Oil filter stud

I went out and looked at my 2 1975 blocks. It is not pipe thread, it is 3/4 - 16 bolt thread ( 3/4 NF ). There is no provision for removing either one- no nut or allen flats. So you could use 2 3/4 nf jam nuts or an easy out on mine. A jam nut is a 1/2 tall nut, there is not enough threads for 2 ful...
by BikeGramps
Wed Apr 11, 2012 8:14 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Oil filter stud
Replies: 12
Views: 3157

Re: Oil filter stud

The filter " stud" should be a 1/2" pipe nipple. I have not pulled the one on the engine but that is what is in my remote filter mount. I would try an easy out tool of the correct size as nuts that fit a 3/4-13 npt thread may be difficult to find.Also if you need a longer one a 1/2&qu...
by BikeGramps
Thu Apr 05, 2012 9:02 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Head bolt I.D. please clarify for me
Replies: 7
Views: 1612

Re: Head bolt I.D. please clarify for me

I cannot tell you why the different bolts. I can tell you I have broken 3 on retorque. 2 regular and 1 necked down. I now use studs @ 65 ft lbs ( fine thread has greater clamping force ) and have not broken any on 2 motors so far. I am using 4 stock headbolts to mount my vise to my bench and I think...
by BikeGramps
Tue Aug 02, 2011 8:02 pm
Forum: 240-300 "Big Block" Six Performance
Topic: First post...and a contribution.
Replies: 104
Views: 11718

Re: First post...and a contribution.

I think your thermactor plugs may be 1/4" pipe, .540 x 18 tpi. 9/16" is .560 also pipe is tapered thread for a seal 9/16 x 18 is straight bolt thread. reference here http://en.wikipedia.org/wiki/National_pipe_thread If so, and maybe even if not this site has all kinds of threaded stuff htt...
by BikeGramps
Mon Aug 01, 2011 8:23 pm
Forum: 240-300 "Big Block" Six Performance
Topic: need help finding a part
Replies: 5
Views: 1235

Re: need help finding a part

go here. http://headbolts.com/ford-240-300-inlin ... bolts.html I have ordered from them. Quick and reasonable shipping.
bikegramps
by BikeGramps
Wed Jun 22, 2011 8:27 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Confused still / again about tires & MPG
Replies: 13
Views: 2543

Re: Confused still / again about tires & MPG

I don't think you will see very much mpg difference in like size/construction tires. I do think S.R.'s comment is important. As long as you don't want to turn or brake, they should work quite well. I will choose my tires first by the way they meet my handling needs - braking/cornering/acceleration t...
by BikeGramps
Wed Jun 01, 2011 10:21 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Compression ratio?
Replies: 13
Views: 1961

Re: Compression ratio?

Hello,
Go to this link
http://www.kb-silvolite.com/assets/09_s ... atalog.pdf
page 34, 3rd listing from the bottom. Says they are 8.3 w/76cc head, 8.7 w/69 cc head
bikegramps
by BikeGramps
Tue May 24, 2011 9:15 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Compression ratio?
Replies: 13
Views: 1961

Re: Compression ratio?

Thank you strangeRanger. When I started this project I wanted to get to 9.5 to 1. Unfortunately I didn't take into consideration the efi pistons I think that it is the carb head that dropped your comp ratio, not the efi pistons. It has a larger combustion chamber than the efi head. Also I think tha...
by BikeGramps
Sat May 21, 2011 10:36 pm
Forum: 240-300 "Big Block" Six Performance
Topic: My first question!!!
Replies: 7
Views: 1517

Re: My first question!!!

I know that some drag racers want a vacuum in the crankcase. They can run a lighter ring set and still get a good seal among other things. I don't see why it would be bad unless you had an unfiltered air leak going in and allowing dirty air into the crankcase. Installing a breather would prevent tha...
by BikeGramps
Wed May 04, 2011 6:43 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Oil pump to main cap stud clearance
Replies: 7
Views: 1361

Re: Oil pump to main cap stud clearance

You can grind off the threads that stick up above the nut, they are not critical. Then you should only have to do minimal clearancing of the pump body to clear the nut if anymore is required from that point. Yes I had planned on that. But, there is still a need of .120" after the stud is groun...
by BikeGramps
Tue May 03, 2011 8:14 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Oil pump to main cap stud clearance
Replies: 7
Views: 1361

Re: Oil pump to main cap stud clearance

Ok here is a picture of the oil pump contacting the main cap stud, the oil pump mount base is about 1/4" away from the block in this pic http://s1188.photobucket.com/albums/z420/bikegramps/?action=view&current=DSCN2314.jpg and here is a pic with the stud removed and the oil pump bolted in c...
by BikeGramps
Mon May 02, 2011 7:14 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Oil pump to main cap stud clearance
Replies: 7
Views: 1361

Re: Oil pump to main cap stud clearance

Does anyone think milling the bolt seat down .050" on a main cap is a bad idea? A complete no-no? Or no problem? What about the thicker gasket under the oil pump? You've got to have an opinion! I need some input. Should I just use an ARP bolt? Someone out there has to have used this stud kit, w...
by BikeGramps
Sat Apr 30, 2011 6:03 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Offy from the junk yard
Replies: 6
Views: 1486

Re: Offy from the junk yard

Have it welded. If you clean it good it should only cost the shops minimum charge. It will be far stronger than alumaweld.
bikegramps
by BikeGramps
Fri Apr 29, 2011 8:31 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Clifford intake
Replies: 18
Views: 4584

Re: Clifford intake

More information would be good. What intake do you have? However from what I have read on this forum, heated intake is good. No heat leads to carb icing and stumble off idle. Some people apparently are running non heated intake with heated carb spacers.
bikegramps
by BikeGramps
Fri Apr 29, 2011 8:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1986 300, rocker arm torque?
Replies: 2
Views: 1733

Re: 1986 300, rocker arm torque?

If the rocker arm stud is the same diameter as the threads on the top 3/8" x 3/8" you have adjustable rocker arms. If there is a tapered seat just below the threads and the threaded portion is smaller than the portion below the seat 3/8" x 5/16" you have non adjustable and you to...
by BikeGramps
Fri Apr 29, 2011 7:52 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Oil pump to main cap stud clearance
Replies: 7
Views: 1361

Oil pump to main cap stud clearance

From reading on this forum I knew this was coming now what do I do? I am using the ARP main stud kit 152-5401 and the oil pump contacts the stud/nut. I need about an 1/8". I read of others using a bolt instead of the stud, but my machinist stressed that I need to use the same fasteners that the...
by BikeGramps
Sun Apr 03, 2011 5:05 pm
Forum: Machine Shops & Engine Builders
Topic: WA - Longview - Schap's Automotive Machine
Replies: 0
Views: 2072

WA - Longview - Schap's Automotive Machine

Schap's Automotive Machine
309 Hudson P.O. Box 932
Longview, Washington 98632
360-423-7821
Very good quality work. Good prices. Understands 300 six stuff. Willing to listen and help you make choices.
Told me his Dad used to race the big six.
bikegramps.
by BikeGramps
Fri Mar 11, 2011 8:20 pm
Forum: 240-300 "Big Block" Six Performance
Topic: My pic/help/rebuild thread LOL
Replies: 21
Views: 3232

Re: My pic/help/rebuild thread LOL

I would advise getting a repair manual for your truck year. You will need to inspect your valves,stems and head- seats and guides for wear and to make sure they are in good enough shape to regrind. Stems, bent? worn? stem to guide clearance, and how much lip is left on your valve also. I looked at t...
by BikeGramps
Sun Aug 22, 2010 3:16 pm
Forum: 240-300 "Big Block" Six Performance
Topic: NO OIL PRESSURE BELOW 2000 RPMs
Replies: 26
Views: 3227

Re: NO OIL PRESSURE BELOW 2000 RPMs

Wow! This is very good and timely info. I could not remove the allen screw plug as it is an odd size - bigger than 5/32 smaller than 3/16, on the block I am assembling,but looking for the oil supply to this hole on the block that has not yet been to the mach. shop I see it is supplied by a second ho...
by BikeGramps
Sun Aug 22, 2010 12:18 pm
Forum: 240-300 "Big Block" Six Performance
Topic: NO OIL PRESSURE BELOW 2000 RPMs
Replies: 26
Views: 3227

Re: NO OIL PRESSURE BELOW 2000 RPMs

Is this the big 3/8" pipe plug in the front end of the main oil galley or the smaller plug just to the left of it? That smaller plug is supposed to have an orifice in it to squirt lube on the timing gears. If the smaller one is the one you replaced and you used a solid plug, you have a problem...
by BikeGramps
Sun Aug 22, 2010 11:45 am
Forum: 240-300 "Big Block" Six Performance
Topic: expanded oil pan/ cooler
Replies: 8
Views: 1287

Re: expanded oil pan/ cooler

I have been told you need the oil temp over 160 F. My choice for increasing oil capacity and cooling is a remote dual oil filter mounted beside the radiator in a spot with air flow from the grill. On my 85 f 150 this is drivers side level with the top of the radiator. The second filter and plumbing ...
by BikeGramps
Thu Apr 15, 2010 8:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Vacuum Lines
Replies: 3
Views: 864

Re: Vacuum Lines

I would , and I am far from an expert, run the PCV line to the manifold, the dizzy line that went to the carb to the ported ( at or just above throttle plate ) fitting on the carb and the dizzy line that went to the manifold to the manifold.
by BikeGramps
Sat Apr 10, 2010 12:14 pm
Forum: 240-300 "Big Block" Six Performance
Topic: In need of your experteace
Replies: 7
Views: 1314

Re: In need of your experteace

My offy-C intake is made to bolt to the stock exhaust manifold, 3 bolt so light duty exhaust?. I have not installed it yet. I will be using headers with it and plan to make an aluminum plate to bolt where it would attach to the exhaust manifold and plumb it to the heater hose for manifold heat. bike...
by BikeGramps
Sat Apr 10, 2010 12:00 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 240 head id
Replies: 6
Views: 1138

Re: 240 head id

Mine is D2TE-BA. So 72 300 truck head? It is out of an 85 f150
bikegramps
by BikeGramps
Mon Feb 08, 2010 9:01 pm
Forum: 240-300 "Big Block" Six Performance
Topic: roller rockers?
Replies: 27
Views: 3450

Re: roller rockers?

I assume since the chevy 250 six "slipper rockers" fit the same in roller rockers will fit ? They have a set at summits for 286$ http://www.summitracing.com/parts/CRO-72831-12/ They are 1.75 ratio. I cannot find a set of chevy "slipper" rockers in 7/16" stud size. Would like...
by BikeGramps
Mon Feb 01, 2010 8:17 am
Forum: 240-300 "Big Block" Six Performance
Topic: Do NOT gasket match your head!!
Replies: 4
Views: 1149

Re: Do NOT gasket match your head!!

Yes the discussions are about port matching, I have in the past done that by gasket matching, with very good results on a 318 and 383 mopar and a 351 windsor. The 300 is a different animal as some know well and I am learning.

bikegramps
by BikeGramps
Sun Jan 31, 2010 10:33 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Do NOT gasket match your head!!
Replies: 4
Views: 1149

Do NOT gasket match your head!!

Frenchtown Flyer is correct, DO NOT gasket match your intake and exhaust ports. I am building a new motor, 300 6. I just got my offy c- series intake and a set of hedman 1.5" headers in from summit. I took a felpro gasket and checked fit, not even close. I would not be able to grind enough out ...
by BikeGramps
Tue Jan 19, 2010 9:26 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Need Advice
Replies: 8
Views: 1098

Re: Need Advice

"Neither. Replace the head bolts. Once they have been overtorqued to 85 lb-ft the bolt material has entered the plastic region - stretched as it were - and will not hold clamping loads. You could start by removing the two center bolts and replacing with new, then move outward two at a time unti...
by BikeGramps
Mon Jan 18, 2010 11:22 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Need Advice
Replies: 8
Views: 1098

Re: Need Advice

I am worried about warping the head because the fine thread studs will have much greater clamping force @ 85 ft pds than the coarse thread bolts do.
Thanks, bikegramps
by BikeGramps
Mon Jan 18, 2010 10:30 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Need Advice
Replies: 8
Views: 1098

Need Advice

Hi all, long time reader first post ( I always found an answer with search ) I am building a new engine. While waiting for the machine shop to finish my parts ( balancing,zero decking, boring,sizing rods,pressing on pistons ) I rebuilt an old head and put it on the engine in my truck last weekend. I...