383 stroker cherry red header pipes on the driver side just 2 inner pipes - Page 3 - Hot Rod Forum : Hotrodders Bulletin Board
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  #31 (permalink)  
Old 12-02-2012, 04:56 PM
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It's number 5 and 6 that are glowing 1 on each side. I start the engine and within 2 minutes there glowing red

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  #32 (permalink)  
Old 12-02-2012, 05:15 PM
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Quote:
Originally Posted by Paulbean00 View Post
Does any one know where I can get it dyno tuned somewhere near Houston tx I'm about 45 mins north if Houston
Call the state and community Collages if the auto department has a dino they dino for free ! Jester


If you have a miss fire down a pipe its a rich mixture (Because it didn't fire in the cylinder)and will be audible when firing in the pipe a lean cylinder will fire hotter and a very hot blue flame will be right at the exhaust port and as rpm increases that hot spot moves further down the pipe!

heat in the exhaust is actually good, and creates better scavenging in the pipes, wrapped headers hold heat and create horse power! A lean burn in a cylinder creates excessive heat and causes piston and cylinder damage! My headers are cherry at night or dusk but aren't that noticed in the day or under lights and there is no problems with my engines! A Higher octane fuel can help! Are you running pump gas?

The cylinder heat, if too extreme running lean will usually cause an early ignition from hot spots like a hot exhaust valve and you havn't mentioned that! From what I read your only worry is 2 pipes glowing more then the others?

Jester
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  #33 (permalink)  
Old 12-02-2012, 05:22 PM
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I'm running super unleaded from pump gas the glowing concerns me but also it's back firing thru the intake and it won't idle
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Old 12-02-2012, 05:44 PM
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You can drop the exhaust at the collectors and see if they still run hot, hotter, or if they look normal? It could just be too slow scavenging pipes you said they were custom fabricated so you have no Idea what hind of quality pipe fitting was done inside those pipes? A little bit of metal in the pipes or a weld wall can deflect the exhaust flame towards the tube and not straight creating a very hot area that will glow! Too quick of a bend right at the flange can also create a hot area where the flame is directed to the tube wall before making its curve down the tube.

Post a picture of the exhaust glowing and let us see the header design.

Jester
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Old 12-02-2012, 05:46 PM
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Quote:
Originally Posted by Paulbean00 View Post
I'm running super unleaded from pump gas the glowing concerns me but also it's back firing thru the intake and it won't idle
Sounds like intake valves too tight or not seating! Set your lifters at 0 lash if hydr. for a running test and if it cures the back fire reset them to specs when hot! Check em hot if solid!

Week springs can cause the same thing! Or a timing issue! You need to take care of these issues and then worry about the exhaust

Jester

Last edited by painted jester; 12-02-2012 at 06:06 PM.
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Old 12-02-2012, 06:51 PM
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Another vote for checking the valve lash and firing order. When you get it where it will idle your glowing pipes will pobably go away.
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Old 12-02-2012, 07:13 PM
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It has glass pack and flow master 2 mufflers off each header
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Old 12-02-2012, 07:17 PM
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I'm trying to post pics
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Old 12-02-2012, 09:21 PM
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I think you should check your valve lash or even set them with a vacuum gauge !!! Or do a leak down test, and a dry and then wet compression check in that order! If your popping back through the intake you have another problem!!!! Your 2 hot pipes are nothing! Take care of the big problem first, and then trouble shoot down to the easiest!! The first large problem when repaired will usually take care of the minor problems

Jester
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Old 12-02-2012, 09:54 PM
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I don't think nothing serious is wrong with the motor it sounds healthy at a higher rpm. Idling is off and it's back firing at low rpms do I have a tuning issue or ignition problem bad crankshaft sensor maybe. Where do I start without spending a ton of money. I am still trying to post pics it won't let me thanks again for all of y'all's input
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Old 12-02-2012, 10:03 PM
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Here's a link should bring up some pics

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Old 12-02-2012, 10:15 PM
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Last one didn't work lets try this again

Stroker
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Old 12-02-2012, 10:43 PM
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I think you just need what used to be called a major tune up, A valve adjustment, set timing, a carb adjustment( or no carb) etc! nothing major. but the popping at low idle could be sticky valves ( not closing tight or slow) and when rpm picks up they are moving faster and slamming shut That's usually caused by weak valve springs! And can also when closed with weak springs let air get by the valve seats causing a lean condition or popping! Spark jumping wires can cause it or ionization in the dist.cap can cause spark jump! You could have hot spots in a couple of cylinders that can make it pop higher octane can cure that!

Its not hard to change springs on an assembled engine at home! If its needed! The people on here can talk you through it! You can do valve springs in a pinch on the road with some basic hand tools and some clothes line The old guys on here will know what Im saying The young guys might see the word clothes line to change a spring and think Im nuts LOL

I looked at the pics you have 3 pipes on the left side glowing red your camera may be picking up what your eye cant see! Maybe the whole left bank is lean?

Jester

Last edited by painted jester; 12-02-2012 at 10:54 PM.
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Old 12-03-2012, 05:23 AM
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383 stroker cherry red header pipes on the driver side just 2 inner pipes

Quote:
Originally Posted by Paulbean00 View Post
The fuel filter was clean I also took distributor cap off and cleaned up under there. I checked the Pcv line one goes to the intake and one goes into the throttle body.
Do you mean you have two PCV valves? If you do get rid of the one going into the manifold and keep the one running to the throttle body. Your not suppose to have but one.
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Old 12-03-2012, 11:06 AM
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I noticed #1 is not getting red but after I tighten my intake #3, 5, and 7 are getting red. I'm going to try to load some more pics of my motor now that it ain't dark outside
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