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  1. straightlinespeed

    Windage Tray question

    I installed a windage tray on my LA 360. Got the bottom all button up and flipped the engine over. I installed the dip stick tube and slid the dip stick in. I could hear it rub against the windage tray. I tried a couple of different times and same thing. It looked like it would clear from the...
  2. straightlinespeed

    Poly Locs or Mag Mounts?

    I installed the larger PST 1.03" torsion bars last summer and I have some rattling from the header on the bar. I installed a torque strap which helped, but I still get some rattle. I was thinking of ditching the stock rubber mounts and either installing the Mag Mounts from Mancini's or the Poly...
  3. straightlinespeed

    Knock outs on M/T Valve Covers.

    What is the best way to about punching out the aluminum for the PVC and Oil on the M/T valve covers?
  4. straightlinespeed

    Cracked Pistons, but why?

    So these are the pistons that came out of my 360. They are stock dish pistons, around 2500 miles on them. 4 of the 8 have cracks in them, which go all the way thru to the inside, all in the same location. It was hard to capture the cracks with my phone's camera. The pic with the yellow circles...
  5. straightlinespeed

    Speed Pro H405CP Pistons

    I have not seen much on here about the 405's so Im curious about any input on them. Good/Bad or otherwise.
  6. straightlinespeed

    Lets discuss another engine build

    Hola, guys and gals. Well I finally have the engine out of my car and taken apart. Im going to be bringing it to a machine shop to have some issues taken care. I want to go in to them with some idea of what Im wanting and would like to discuss that with you all. What Im looking for is a...
  7. straightlinespeed

    I must ask a dumb question

    Are W2 heads strictly for racing applications? Do they require special valve train components?
  8. straightlinespeed

    74 Truck 360

    Been looking for a core and I found a 74 360, trans and divorced transfer case out of a Power Wagon, I have to take it all. The engine doesnt run, but turns over and the owner has no idea the last time it did run. What is your opinions on a value for this, and if it would make a good core...
  9. straightlinespeed

    What do you think of this build

    Current build in the car is as follows. LA 360 Stock pistons Silvolite 1279 in the hole about .067 https://www.uempistons.com/index.php?main_page=product_silvolite_info&cPath=6_25_27&products_id=1654 .045 x 4.180 bore, head gaskets XE268H cam Stock Magnum heads Air Gap 750cfm carb TTI's Using...
  10. straightlinespeed

    I need pointers

    So going to look at a 1980, 360 thats for sale locally. Its in the car and they guy wants whoever is buying it to hear it run, before he pulls it. Its in a 73 roadrunner and he says its a fast engine, and has only had the valve covers off. He said he thinks its cammed, but does not have any...
  11. straightlinespeed

    Magnum heads, valve spring question

    For those of you out there running magnum heads on a LA engine. I have a question regarding the valve springs. Im running a Comp Cams XE268H cam and there recommended springs are the 901-16. I had a question for Comp and the valve springs came up. I assumed I had there recommended springs...
  12. straightlinespeed

    Do I have a blown head gasket?

    I pulled my intake to fix what I though was a leaking intake gasket. The bottom side of the valve covers, had a greenish sludge/slime coating them and appeared to be watery/oil. I cleaned the covers with brake cleaner and got it all out. I reassembled the engine, topped off the antifreeze...
  13. straightlinespeed

    Oil coming out of dipstick tube

    What would be causing oil to creep up and come out of the dipstick tube?
  14. straightlinespeed

    Truck compared to Car SBM

    Curious, about LA thru Magnum engines. Are there any differences from truck 318's and 360's to the ones that are in the cars? Longer, different ears for the mounts, etc... Or will they still bolt in the same?
  15. straightlinespeed

    Backfire/Popping thru carb

    I definitely have a streak of bad luck with my intake lately. Here is the run down. LA360, magnum heads, air gap intake. Changed out the gaskets, because I thought I was sucking in air around the dizzy. New gaskets had a coolant leak, of course I couldnt salvage them so I had to order another...
  16. straightlinespeed

    Intake Gaskets

    For the life of me I can't remember which way the intake gaskets with the silicone seal around the ports goes on. Silicone to the intake or to the heads. Thanks
  17. straightlinespeed

    Cam and Intake question

    I was having a issue last summer and I decided to pull my intake and replace the intake gaskets just to eliminate any question about them not sealing well. So being that I had the top off the engine I decided to look things over. I was checking out the cam wear and was just wondering if the pic...
  18. straightlinespeed

    Next step forward for my engine

    So sitting around thinking of what else I can spend money on that I dont have, during this winter. I was wondering about engine upgrades. Wondering what would be the next step for some added power. Im also curious what you guys think my current engine makes for horsepower. Here is my current...
  19. straightlinespeed

    Intermediate shaft issue

    Well I've been having some minor issues with my car so I had another gent who owns a Carb shop take a look at my engine. I've still been having issues with my secondaries opening and have tried many things, so I figure he is the next best option. While looking into the carb issue, he didnt...
  20. straightlinespeed

    Poly Locs or Similar

    Is Schumacher the only company to make or sell a poly loc type mount? I dont like the fact that the rubber biscuit mounts have so much movement in them. Also curious if anyone has gotten them cheaper than the advertised price on there site and if so how much cheaper. Thanks
  21. straightlinespeed

    Harmonic Balancer Sizes

    I was looking at a different balancer for my car. I have a LA 360 externally balanced. I was debating about getting a SFI approved balancer or just a standard one. Right now its I just have a standard balancer on the car. I see there are different diameter sizes. Is there any right or wrong size...
  22. straightlinespeed

    Firing issue

    Just had the car to the dyno and they made a bunch of adjustments and it runs great now. With the exception of one thing. I had to make a stop on the way home. The car sat for probably 10-15 minutes. I went to start it and it would not pop off and fire unless I held the throttle wide open...
  23. straightlinespeed

    Piggy back question to my timing a 360

    On my LA 360. I'm using a 318 timing chain cover with the 10-0-10 timing marks, cast into it. Can I use the 0 position on the timing cover as my "pointer" to set my initial and advance timing? Or should I look for a pointer that bolts onto the cover? Hope that makes sense.
  24. straightlinespeed

    Oil Filter Relocation

    Has anyone ever installed or uses a oil filter relocation kit? Reason I ask is because with the headers and everything else in the way its tough to get to the oil filter. Just thought maybe I would run one of those, but want to know if anyone else runs one and what they think of them.
  25. straightlinespeed

    Valve Cover Baffles

    Does anyone make or sell baffles that will bolt into SBM M/T aluminum valve covers?
  26. straightlinespeed

    Pcv ??

    I eliminated my PCV valve but kept my breathers. Im wondering how many of you are actually running a PCV? Are they required? Pros/Cons
  27. straightlinespeed

    Timing Question

    Hey guys, I have a question timing a 360. I looked in a manual and online and it says that a 360 should be at 5* BTDC or 2.5* BTDC if a California car. My car does not run at those specs. It runs rough at about 20*BTDC and runs very smooth at 32-34*BTDC. So what the heck does that 5* mean...
  28. straightlinespeed

    360 Crank differences

    Im still fighting to find a set of pulleys for my crank and that is because Im not sure what year crank is in my car. I tried using my stock '71 318 Crank pulley for fitment and could only get 5 of the 6 bolts in. I then found a different pulley that had a slotted hole and that bolted right...
  29. straightlinespeed

    Engine swap pulley question

    I swapped out my 318 for a 360 but I also removed the power steering and A/C. I had a 3 grove crank pulley and a 2 grove fan pulley. Since all Im running now is a alternator and fan Im trying to figure out how the belt system will work. Is it a 2 grove crank pulley with one belt from the fan...
  30. straightlinespeed

    Spark Plug Number

    Ok, so I have my 360 built and wondering what spark plug to use. Since I had a 318 in my car before I have no idea what plug to use for the replacement engine. Like I said its a LA 360 on pump gas. So what are you all using?
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