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Search found 253 matches

by GPGoverMPG
Mon Mar 30, 2020 7:32 am
Forum: 240-300 "Big Block" Six Performance
Topic: My 142F is here.
Replies: 9
Views: 1386

Re: My 142F is here.

Yep, me too. I have been having a great time just wish the cash flow was better. Still need rocker arms, push rods, and all the other stuff to do the install. Need to go through the trans so it'll shift better when I do the install. My current engine runs OK but it's a real dog above 2800 RPM. My cu...
by GPGoverMPG
Sat Mar 28, 2020 8:40 am
Forum: 240-300 "Big Block" Six Performance
Topic: My 142F is here.
Replies: 9
Views: 1386

Re: My 142F is here.

So it has taken forever to get to my own stuff but I got my cam checked. I used the base circle method and my 142F with the cloyes timing set checked spot on with no adjustments. That's a 108 intake and a 112 exhaust center line. I checked the number 1 and 5 cylinders and it looks great. Now I get t...
by GPGoverMPG
Mon Mar 02, 2020 1:06 pm
Forum: 240-300 "Big Block" Six Performance
Topic: My 142F is here.
Replies: 9
Views: 1386

Re: My 142F is here.

The Cloyes 2764S timing set.
by GPGoverMPG
Mon Mar 02, 2020 8:03 am
Forum: 240-300 "Big Block" Six Performance
Topic: My 142F is here.
Replies: 9
Views: 1386

My 142F is here.

Schneider Cams was easy to work with and helpful. Order the cam and lifters, pay them and it gets delivered. It's amazing how some places make it hard to give them money. I have pictures but can't seem to get them to post. The cam has 110* lobe centers and the cam card calls for the intake to be at ...
by GPGoverMPG
Tue Feb 18, 2020 8:13 am
Forum: 240-300 "Big Block" Six Performance
Topic: Odd ignition problem.
Replies: 11
Views: 1825

Re: Odd ignition problem.

It was rotor phasing. Tried to attach photos but says "board quota has been reached" I try again later. I set the timing marks at the 10* advance position and removed the cap. The rotor was pointing half way between spark plug terminals. I lined up the rotor withe the number one terminal a...
by GPGoverMPG
Tue Feb 18, 2020 7:52 am
Forum: 240-300 "Big Block" Six Performance
Topic: A question about aftermarket TBI?
Replies: 29
Views: 2876

Re: A question about aftermarket TBI?

A Gear Vendors unit would be the deal. Goes in the drives area and they have tons of ratios. I am thinking of using one in my rear driveshaft on my 4X4 it would give me a cruise option.
by GPGoverMPG
Mon Feb 17, 2020 8:35 am
Forum: 240-300 "Big Block" Six Performance
Topic: Odd ignition problem.
Replies: 11
Views: 1825

Re: Odd ignition problem.

I did not think about distributor phasing. I did consider leading and trailing edge trigger I did not test it under load both ways. When I swapped the trigger wires it had little to no effect on timing. Yes I was using a very good timing light and was setting base timing at 10*. I should be able to ...
by GPGoverMPG
Thu Feb 13, 2020 3:26 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Odd ignition problem.
Replies: 11
Views: 1825

Re: Odd ignition problem.

First the tires are great. They are very quiet and ride nice still working on air pressure. The vacuum canister is working and moves the pickup like it should. I have not checked the wires yet. I did try swapping the wires when I connected the MSD and it made no difference. Thanks I'll run some more...
by GPGoverMPG
Thu Feb 13, 2020 8:23 am
Forum: 240-300 "Big Block" Six Performance
Topic: Odd ignition problem.
Replies: 11
Views: 1825

Odd ignition problem.

So it's been awhile, my 142F cam should be here any day now. I am working on my running truck with a 300 in it. It is running good except for when I connect the vacuum advance. So it was doing OK with a DSII ignition and I decided to hook up my MSD 6AL getting ready for the new motor. When I connect...
by GPGoverMPG
Sun Oct 13, 2019 6:33 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

The oil cooler thing is a good idea I'll check into it. thanks
by GPGoverMPG
Thu Oct 10, 2019 7:21 am
Forum: 240-300 "Big Block" Six Performance
Topic: setting valve spring heights
Replies: 8
Views: 1682

Re: setting valve spring heights

Yes on the roller rockers number. I can shim the head and combine checking push rod clearance and length, way easier. As always thanks
by GPGoverMPG
Wed Oct 09, 2019 7:13 am
Forum: 240-300 "Big Block" Six Performance
Topic: setting valve spring heights
Replies: 8
Views: 1682

Re: setting valve spring heights

A little tight is way easier than going back to the machine shop to have one spring pad touched. I'm using the outer springs for cam break-in and I think I'll be able to set the head on with no gasket to find out if the push rods touch the head with the 3001-7 roller rockers. Then I can put the head...
by GPGoverMPG
Tue Oct 08, 2019 8:04 am
Forum: 240-300 "Big Block" Six Performance
Topic: setting valve spring heights
Replies: 8
Views: 1682

Re: setting valve spring heights

Why don't they have .010 valve spring shims? Anyway, is it better to be at 1.690 or 1.710? Every spring needs at least one shim putting me at the 1.690 number.
by GPGoverMPG
Mon Oct 07, 2019 7:23 am
Forum: 240-300 "Big Block" Six Performance
Topic: setting valve spring heights
Replies: 8
Views: 1682

Re: setting valve spring heights

Thanks for the help. I'll measure the spring pockets then order some shims and the studs. I did check the micrometer with a dial caliper and it read right on the money. Trying not to rush through things as I get closer to being done.
by GPGoverMPG
Sun Oct 06, 2019 8:24 am
Forum: 240-300 "Big Block" Six Performance
Topic: setting valve spring heights
Replies: 8
Views: 1682

setting valve spring heights

I finally got time to work on my own stuff. I blended the cut lines from the bowl hog after the larger valves were installed and started measuring spring heights so I could find the right shims. So it's been a long time since I measured spring heights and I'm using a new Jegs micrometer. Do all the ...
by GPGoverMPG
Sat Oct 05, 2019 8:06 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

I have been so busy at the shop working on other peoples stuff I have no got much done on my own engine. I still need to get my head assembled and the cam ordered. I have been trying to take care of the little stuff though. I'm having trouble finding the part that screws into the block and holds the...
by GPGoverMPG
Tue Sep 10, 2019 7:04 am
Forum: 240-300 "Big Block" Six Performance
Topic: 300 Mild Build for 1941 International Pickup
Replies: 31
Views: 2128

Re: 300 Mild Build for 1941 International Pickup

Neat old truck, should be a blast to get running.
by GPGoverMPG
Sat Sep 07, 2019 6:32 pm
Forum: 240-300 "Big Block" Six Performance
Topic: 1996 modded rebuild troubles!
Replies: 27
Views: 2352

Re: 1996 modded rebuild troubles!

A leaking injector? Did you listen to them? I use a long screwdriver blade to the body of the injector and handle to my ear. You can hear the difference in the clicking noise it makes. Or you could move it to a different cylinder and see if the problem moves. Good luck you seem to have it on the run.
by GPGoverMPG
Fri Sep 06, 2019 1:38 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

I am sure I will need to shim the springs for the correct installed spring height. I have the micrometer but have not yet measured for the shims I will need. I believe I'll need to end up at a height of 1.70". I need to see if my stock locks fit my comp cam retainers then purchase what I need f...
by GPGoverMPG
Fri Sep 06, 2019 8:18 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

Going to pick up my cylinder head this morning all my engine machine work should be done at last. Tried using the link to EBay for the Cloyes timing gear set with the multiple key ways and the link did not work. I'm trying to purchase the remaining items I need to assemble the engine. timing set 7/1...
by GPGoverMPG
Sun Sep 01, 2019 8:30 am
Forum: 240-300 "Big Block" Six Performance
Topic: 1996 modded rebuild troubles!
Replies: 27
Views: 2352

Re: 1996 modded rebuild troubles!

I had two problems with '72 F100 I installed the speed density 5.0 out of a crown vic. The barometric pressure sensor had moisture in it and the VSS (vehicle speed sensor). The VSS lets the ECU know the vehicle is moving and can cause odd idle problems.
by GPGoverMPG
Thu Aug 29, 2019 7:25 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

Finally got to the machine shop and picked up my block that's been decked and the cam bearings installed. They also attached my pistons and rods. I also dropped the head back off to have the valve spring centering cut to match my new springs and be tapped for 7/16 studs. I get to have a little fun a...
by GPGoverMPG
Sun Jul 28, 2019 8:24 am
Forum: 240-300 "Big Block" Six Performance
Topic: Finishing touches fresh build.
Replies: 4
Views: 849

Re: Finishing touches fresh build.

The simplicity and cost of the DSII is nice. If the distributor and the rest of the system is good it should provide a very reliable set up.
by GPGoverMPG
Sat Jul 20, 2019 7:43 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

Yea I can make a tool. Was thinking of using old stamped rocker arm and welding a fork and handle to it. I've done the air thing using my leak down tester. Some times I use small rope to fill the cylinder and bring the piston up and the rope holds the valves closed. It's a manual trans so 4th gear a...
by GPGoverMPG
Fri Jul 19, 2019 7:47 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

I got the recommended comp springs and retainers, cam degree kit, and the valve spring micrometer. The springs look pretty strong so I was wondering if I should leave the inner coils out for cam break in or run the stock springs. I had kind of thought to just run the full spring set up because it lo...
by GPGoverMPG
Tue Jul 16, 2019 7:39 am
Forum: 240-300 "Big Block" Six Performance
Topic: Knocking noise; seems different from others
Replies: 11
Views: 2476

Re: Knocking noise; seems different from others

My story. My truck had an odd rattle sound driving at around 50mph or so. It was the light throttle changes to maintain speed that caused it to get loader or more noticeable. I played with ignition timing and fuel mixture and it would change but was still there to some extent. I ended up pulling the...
by GPGoverMPG
Sun Jul 14, 2019 8:28 am
Forum: 240-300 "Big Block" Six Performance
Topic: Base Timing & Vacuum Advance Update
Replies: 10
Views: 1237

Re: Base Timing To Far Advanced

My mechanical advance will only pull in 18* max. I kept advancing the timing a bit at a time until I felt a little performance drop off driving the same route every time. I was doing short full throttle runs of maybe an 1/8 mile in third from 1000rpm up to my 4000rpm shift point. Once it stopped imp...
by GPGoverMPG
Sat Jul 13, 2019 7:56 am
Forum: 240-300 "Big Block" Six Performance
Topic: Base Timing & Vacuum Advance Update
Replies: 10
Views: 1237

Re: Base Timing To Far Advanced

So it runs good but the base timing is high. To me it seems that the total advance (no vacuum advance) of 28* is way to low. Seems these motors like 36* to 38* total. So if he is not getting enough total advance it would affect his MPG. As I found you don't get full vacuum advance at WOT and Ignitio...
by GPGoverMPG
Wed Jul 03, 2019 8:02 am
Forum: 240-300 "Big Block" Six Performance
Topic: Some daily driver questions
Replies: 14
Views: 2307

Re: Some daily driver questions

I went with the buy another motor and build it method. It has the benefit of spreading the cost out over time and you know it's what you want. Make a good plan that fits your needs and stick to it (a do as I say not as I do moment). There is a ton of good advice here and you should have a great expe...
by GPGoverMPG
Tue Jul 02, 2019 8:14 am
Forum: 240-300 "Big Block" Six Performance
Topic: 2100s and E85
Replies: 7
Views: 1220

Re: 2100s and E85

Kind of what I was wondering. Didn't know if the passages in the carb's were big enough to move the fuel required by E85. E85 is available here and it may be fun to build a motor just for it. I now have three complete 300's to mess with.
by GPGoverMPG
Sun Jun 23, 2019 8:08 am
Forum: 240-300 "Big Block" Six Performance
Topic: 2100s and E85
Replies: 7
Views: 1220

Re: 2100s and E85

The current engine in the truck runs a little hotter than I would like. I was thinking E85 may help. I was also thinking with a .050 bore and the performance improvements my new engine is going to be generating more heat. I've checked and rechecked my current cooling system and it's all good. The bi...
by GPGoverMPG
Sat Jun 22, 2019 8:13 am
Forum: 240-300 "Big Block" Six Performance
Topic: 2100s and E85
Replies: 7
Views: 1220

2100s and E85

So I'm building my new motor and trying to pay attention to every detail and ask the right questions. I'm sure it will run great on 93 octane pump gas. I find that as slow as my progress is that I have time to think and this may be a bad thing. Would E85 improve performance any? What will it do to t...
by GPGoverMPG
Mon Jun 17, 2019 8:23 am
Forum: 240-300 "Big Block" Six Performance
Topic: Another piston question
Replies: 17
Views: 2072

Re: Another piston question

I do have two very small plenums and straight runners about 14" long. The carbs will work at the same time and be syc'ed like motorcycle carbs. Runner length should be for peak torque around 3000rpm first time building intake so there is a lot I don't know. Will need to purchase two wide band O...
by GPGoverMPG
Sun Jun 16, 2019 8:16 am
Forum: 240-300 "Big Block" Six Performance
Topic: Another piston question
Replies: 17
Views: 2072

Re: Another piston question

Ok, I remember putting down several 1.23s. I will go look again just cause I don't remember seeing 1.33s doesn't mean their not there.
by GPGoverMPG
Sat Jun 15, 2019 9:07 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Another piston question
Replies: 17
Views: 2072

Re: Another piston question

They are flat top with 6cc valve pockets. Standard 360/390 FE pistons which makes them .050 oversize for the 300. I have opened up my combustion chambers for 78cc and I'm running big valves in the ported head. The Schneider 142f solid lifter cam and Harland Sharp 3002 roller rockers. So I am going t...
by GPGoverMPG
Sat Jun 15, 2019 8:36 am
Forum: 240-300 "Big Block" Six Performance
Topic: VINTAGE CHAMP CAR REPLICA BUILD
Replies: 51
Views: 10240

Re: VINTAGE CHAMP CAR REPLICA BUILD

Man that looks fun. I've wanted to build a replica of the old SCCA chaperal (spelling?) with the wing.
by GPGoverMPG
Sat Jun 15, 2019 8:32 am
Forum: 240-300 "Big Block" Six Performance
Topic: Another piston question
Replies: 17
Views: 2072

Re: Another piston question

The machine shop turned down a wrist pin so I could test fit my H395p speed pro pistons. The piston skirts missed the crank counter weights by at least .25inche. So much in fact I did not bother with an actual measurement. I also used this time to measure piston deck height. Using A straight edge an...
by GPGoverMPG
Thu Jun 13, 2019 8:25 am
Forum: 240-300 "Big Block" Six Performance
Topic: Another piston question
Replies: 17
Views: 2072

Re: Another piston question

Yea, shouldn't be any problems. I need to call my machine shop today and find out where I am. I was reading the thread about priority oiling and I was wondering if oil restrictors were used to the top end. FE motors I've built reduce the oil when using roller rockers. Guess I'll be putting the botto...
by GPGoverMPG
Wed Jun 12, 2019 8:11 am
Forum: 240-300 "Big Block" Six Performance
Topic: Another piston question
Replies: 17
Views: 2072

Re: Another piston question

Mocking it up is the way to know. He's looking for one of my old pistons to compare to we'll see. If it's even close I'd be best served by mocking it up. The only question is how many times can you install and torque bearing caps before you need to replace the bearings?
by GPGoverMPG
Mon Jun 10, 2019 8:24 am
Forum: 240-300 "Big Block" Six Performance
Topic: Another piston question
Replies: 17
Views: 2072

Another piston question

So I'm running the 390 pistons that I balanced. I took the rods and pistons to the machine shop to have them married and the shop called to see if I had clearanced the skirts for the crank. He said he had to do it on a previous 300 build. Does anyone know if this is something I need to look for with...
by GPGoverMPG
Mon Jun 03, 2019 7:52 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

Have the crank in hand again. It was cut and polished to .010 - .010 and balanced. I asked and they said the crank is spun at 700rpm and the computer tells them where to drill. The computer says the crank should be good to 7000rpm a number it will never see. I dropped the balanced rods and pistons o...
by GPGoverMPG
Fri May 24, 2019 7:50 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

Yes thanks a lot, I'm having fun building this motor and I'm really thankful for the help. I had forgotten to have the spring seats cut. I'll get that done when they install my screw in studs. Now that I know the rocker arms I'm running I can get the studs. I think I'm going to order the comp cam de...
by GPGoverMPG
Thu May 23, 2019 8:06 am
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

Crank and flywheel are ready for me to pick up Friday. I have my pistons all within half a gram and the rod split weights within half a gram as well. I'll be leaving the rods and pistons to get married when I pick up the crank. I still need to purchase the 142f cam and lifters from Schneider and the...
by GPGoverMPG
Tue May 07, 2019 7:29 am
Forum: 240-300 "Big Block" Six Performance
Topic: Need guidance on Master cylinder and slave cylinder
Replies: 6
Views: 1033

Re: Need guidance on Master cylinder and slave cylinder

Those systems can be a real pain. I've had motorcycle front brakes wear me out. The bleeders are at the bottom and the air rises in the system. You may need to bleed at the master by loosing the line while the pedal is pressed. I have also had problems with the vehicle being jacked up in the front c...
by GPGoverMPG
Mon May 06, 2019 5:25 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

Took crankshaft to machine shop. The key way has already been extended and it's going to be ground and polished. They are also going to replace my ring gear and surface my flywheel before balanceing it and my crank.
by GPGoverMPG
Sat May 04, 2019 2:12 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Piston wrist pin offset
Replies: 12
Views: 1450

Re: Piston wrist pin offset

With my fat fingers on the caliper I measured .125 after subtraction. Split that in half and it's .06125 so basically .060. Everything is going great. Thanks
by GPGoverMPG
Sat May 04, 2019 7:40 am
Forum: 240-300 "Big Block" Six Performance
Topic: Piston wrist pin offset
Replies: 12
Views: 1450

Re: Piston wrist pin offset

I think I understand the measurement method now. I was inside the pin to the outside of the skirt and could rock my caliper too much for a good reading. I will try the inside the piston plan today.
by GPGoverMPG
Fri May 03, 2019 4:27 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Piston wrist pin offset
Replies: 12
Views: 1450

Re: Piston wrist pin offset

You know that sounds great. I tried the claliper thing in the wrist pin then turn the piston and remeasure. To inconsistent to know what the real offset is I know there is more than .006. I wish I could find better data like Keith black and silvo-light.
by GPGoverMPG
Fri May 03, 2019 1:24 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Picked up my block and pistons from machine shop.
Replies: 50
Views: 7194

Re: Picked up my block and pistons from machine shop.

Sweet, I am going to run cowl induction all sealed up from the vents at bottom of windshield. I thought about from the cab but thought it would be to loud. Again thanks for the help
by GPGoverMPG
Fri May 03, 2019 1:18 pm
Forum: 240-300 "Big Block" Six Performance
Topic: Piston wrist pin offset
Replies: 12
Views: 1450

Re: Piston wrist pin offset

So there is certainly offset. I used information from Summit or Jegs on the .006 number could have been mine or their error. I can't really find a good site for speed-pro piston information. The notches facing forward on all 8 pistons makes the most sense. I don't remember where I saw the run 2 with...