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  1. 90silverstang

    Engine 347 Na Crate Engine Questions

    Don-- I had my problems as well. I had a rocker stud break off on a exhaust valve a while back. let me tell you --- when the exhaust valve doesnt open it backfires through the intake runner while the intake valve is trying to open, not pretty. It bent the intake push rod because of it. Also...
  2. 90silverstang

    Brakes The Ultimate 4-lug/5-lug Brake Conversion/upgrade Thread

    I've been reading and I'm confused. I want to install the sn95 front spindles and rear axles 5lug disk all around Which wheels will work with this set up on a 1990 vert.? Does this wheel work on all 4 corners: 17X9 backspace: 6" Offset: 25mm deep dish 245/45/17 front 265/45/17 or...
  3. 90silverstang

    Build Thread 1990 Lx 5.0 Restomod Build

    So you used 10-32 screw with 2 nuts on each screw, correct? I don't think you'll have a problem with the fan clearence to thte WP pully. I have a 347 with a BeCool radiator, it measures 3" deep and I'm running the stock fan set up. Its tight but it works. I want to utilize the stock shroud with...
  4. 90silverstang

    Build Thread 1990 Lx 5.0 Restomod Build

    Nice quality job. What vehicle did you actually remove the electric fan from? Did you use a spacer insert between the fan and the shroud.
  5. 90silverstang

    Engine 347 Na Crate Engine Questions

    Today I adjusted the roller rockers to be sure they were good. I noticed when I took out the spark plugs they were really white. I remember I changed to a different plug. The engine builder used Autolite 3922. I changed them to NKG R5671A-8 about 6 months ago. I changed them back to the 3922...
  6. 90silverstang

    Engine 347 Na Crate Engine Questions

    Running Dart Pro 1 195cc heads and BBK 1 3/4" long tubes
  7. 90silverstang

    Engine 347 Na Crate Engine Questions

    Thats what it looked like to me. The cam overlap was causing the AFR variations. But there is still this question. I would think with a 347 with a potential of 445 hp at the flywheel I would have plenty of power, but it feels sluggish. Will a tune make a difference?
  8. 90silverstang

    Engine 347 Na Crate Engine Questions

    Have a 347 NA engine that dynoed 445 hp at 6000 rpm with a carburetor set up when the engine was built by T & L engine a few years back. Compression 10:1. They used a carburetor set up because they did not have ECU w/ fuel injection set up at there shop. I ordered the engine with fuel injection...
  9. 90silverstang

    Need To Find A Easy Access Parking Lights Wire

    Wanted to say thanks, I found the wire you suggested, It worked out perfectly. I also found the wire that powers the fuel pump relay which I used to power on the AFR gauge when the ignition is turned on. Again, thank you.
  10. 90silverstang

    Need To Find A Easy Access Parking Lights Wire

    Thats great if the wire is in the kick panel! I am installing a Innovate MTX-L Wideband O2 sensor with the controller in the AFR gauge. The white wire from the gauge needs switched 12 v from the parking lights. This is used to dim the LED display when the lights are on. I am removing that kick...
  11. 90silverstang

    Need To Find A Easy Access Parking Lights Wire

    I am looking for the switched parking lights wire in the dash area. I need easy access to it as I want to splice in to it. I can't get at the wires by the headlight switch when I remove it because there is not enough slack. Just need to know if there is a better location to access that wire...
  12. 90silverstang

    1990 Mustang GT Convertible Restored 347 $18,999

    Click on Link to view Pictures: https://picasaweb.google.com/100039646805785032883/1990Mustang?authkey=Gv1sRgCJKv-dTiyNW6sAE# Car Is Located in Palm City, FL., This Mustang has been completely disassembled including, drivetrain, suspension, and interior, gone through metalwork, restored, primed...
  13. 90silverstang

    Rocker Stud Snapped!! What Roller Rockers In Photo

    Thanks for the help. Defintely learned a lot these past few weeks. I did check the patterns on the valve stems as Rick explained, and looks like the patterns are narrow and centered. I also put the light checker springs on cylinder #5 where the exhaust rocker stud snapped. The intake and exhaust...
  14. 90silverstang

    Rocker Stud Snapped!! What Roller Rockers In Photo

    Junkyard, The exhaust Rocker stud snapped, the intake pushrod bent on the same cylinder.
  15. 90silverstang

    Long Tube Question

    I believe if you have a AOD the longtubes will not fit. If you have a 5spd you'll be ok. I have BBK's and they fit on my 90 vert. You will need to go with a mini starter and Flaming river or Max Mtrsprts Steering knuckle for clearance. I had to go that route on my Vert so be prepared. Also on...
  16. 90silverstang

    Rocker Stud Snapped!! What Roller Rockers In Photo

    90 lx convert, Do I need to use a solid roller lifter with a adjustable pushrod and light springs to check the pattern on the valve stem? I'm trying to avoid removing the lower intake. I was told I could use the light valve spring with the adjustable pushrod without using a solid roller lifter.
  17. 90silverstang

    Rocker Stud Snapped!! What Roller Rockers In Photo

    I have a question checking valve geometry, Do you check each roller/ valve stem pattern on all 16 valves? When measuring the pushrods, do you order pushrods individulally for each valve?
  18. 90silverstang

    Rocker Stud Snapped!! What Roller Rockers In Photo

    To clarify the problem with my engine: 1. The Exhaust rocker stud on cylinder #5 snapped. 2. When this happened the exhaust valve did not open when the engine was running, so piston comes up to tdc, spark to ignite A/F mixure, piston goes to Bottom, exhaust valve never opens when piston is...
  19. 90silverstang

    Rocker Stud Snapped!! What Roller Rockers In Photo

    I have never overevved this motor, the exhaust rocker stud snapped. I checked the compression on #5 cylinder. It reads good--- 180psi compared it to #1 cylinder, same result. I called Dart heads, they said I should pull the head and inspect the valves. Do I need to pull the head? I will try a...