Sorry if these questions are redundant but I think they're pretty simple. Will an exhaust leak be the first sign my manifold bolts are breaking. From what guys are saying it seems you need to have at least a couple of bad ones before it becomes a problem. My 03 V-10 has only 31K but I realize it's probably more of an age issue versus miles. Are they easily visible from underneath(I have an E-350). When they go I assume it's not covered by warranty. I have ext. for another 2 years. I'm mechanical but I know this job would be over my head so I'm just trying to prepare myself for the future. Thanks for any info.
Yes, it takes a few to be broken on one side before you would notice a leak (ticking).
Yes, it is more of an age issue.
I would think that it has to be covered under warranty. If you have any broke, call the dealer and ask.
Sorry if these questions are redundant but I think they're pretty simple. Will an exhaust leak be the first sign my manifold bolts are breaking. From what guys are saying it seems you need to have at least a couple of bad ones before it becomes a problem. My 03 V-10 has only 31K but I realize it's probably more of an age issue versus miles. Are they easily visible from underneath(I have an E-350). When they go I assume it's not covered by warranty. I have ext. for another 2 years. I'm mechanical but I know this job would be over my head so I'm just trying to prepare myself for the future. Thanks for any info.
On mine, the passenger side had two of the rear studs broken. (4 and 5 exhaust port) I couldn't hear a leak, but knew the studs were broke. But you could see the exhaust carbon on the head.
Boris, it's interesting you mention that 4" thing.
If you figure the area of two 2.5" pipes, that 9.8 square inches total.
3" is 7.06
4" is 12.56
4" would actually cause the exhaust gases to slow down. But 3" is going to speed them up.
Very interesting... That's all at WOT (full exhaust flow), not sure what it does during cruise...
Something to ponder.
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- art k. - Moderator for the Superduty, V10, and FE forums
'01 F250SD SC SB XLT V10 4x4 auto 3.73 Warn hubs Volant CAI, eBay headers and y-pipe - 5-star custom tunes on SCT X3
'97 Cougar XR7 30th Anniv Edition 4.6L
'74 F250 Highboy FE390 deceased! I've been wrong before, I'll be wrong again. Just wait and see.
Boris, it's interesting you mention that 4" thing.
If you figure the area of two 2.5" pipes, that 9.8 square inches total.
3" is 7.06
4" is 12.56
4" would actually cause the exhaust gases to slow down. But 3" is going to speed them up.
Very interesting... That's all at WOT (full exhaust flow), not sure what it does during cruise...
Something to ponder.
Krewat, I'm not sure that the 4" is doing all that much, other than it worked out nice as far as making the Y pipe. The exhaust guy made it just big/long enough to run the two 2 1/2s into than reduced it back down. If I knew how to do pics on here, I'd work on posting one. It looks very nice, can I even say almost factory? It seems to be working and the V 10 is snappier.
Mon. and Tues I was driving around in the back roads (woods) according to the gauge in the truck, I got 12.8 mpgs. Don't know how exact that thing is yet, just soldered in a resistor and resoldered some loose resistors.
I'm having the same problem. Where did you jack up the engine at?
I put a bottle jack between the cross member, and the AC bracket.
__________________
- art k. - Moderator for the Superduty, V10, and FE forums
'01 F250SD SC SB XLT V10 4x4 auto 3.73 Warn hubs Volant CAI, eBay headers and y-pipe - 5-star custom tunes on SCT X3
'97 Cougar XR7 30th Anniv Edition 4.6L
'74 F250 Highboy FE390 deceased! I've been wrong before, I'll be wrong again. Just wait and see.
Well, the drivers side started to rattle. I was hoping this wouldnt happen. It's cold outside and plow season. I have my 99 to plow with my I like the 2002 better. No truck boxes on the back to obstruct my vision.
Is the drivers side easier than the passanger side?
My buddy had a large garage at his house that will hold my truck.
I hate doing this..... It took me a while to do the passanger side. Getting all the tools and stuff was a pain in the rear. But now I know what I am getting into. I just hope that I can get the bolts out of the manifold that hold the y pipe. I dont want to buy a new manifold.
Anyone post pics of this yet anywhere else? maybe on photobucket?
I dunno, driver's side was harder for me, with the steering shaft in the way. Had to disconnect it to get the headers on anyway, but I think it would have had to be disconnected anyway. Just be careful with the clockspring behind the steering wheel - in other words, don't let the steering wheel rotate after you disconnect it.
__________________
- art k. - Moderator for the Superduty, V10, and FE forums
'01 F250SD SC SB XLT V10 4x4 auto 3.73 Warn hubs Volant CAI, eBay headers and y-pipe - 5-star custom tunes on SCT X3
'97 Cougar XR7 30th Anniv Edition 4.6L
'74 F250 Highboy FE390 deceased! I've been wrong before, I'll be wrong again. Just wait and see.
Anyone still have the drill guide rig that you made when you had to drill out the ez-out tip? Yeah, I am there!! only one though very aft top on drivers side, the rest have come out ok with a little bit of work with a 90 degree drill, ez-out bits, and the good ole trusty Aero Kroil penetrant. But this last m-fer is going to eat my lunch soon, I don't want to drill through the head and ruin it, so any help would be appriciated!
Well after a visit from the welder to tack on some buts on the 3 remaining PITA studs, and a couple passes with the Oxy & Acety torch I am down to the one bugger with the easy out tip broken off in it, so I made my trip late today to get the ammo from Fastenal to do a heli-coil on that bad boy in the morning.
So a good day all in all, costly at around $140 for everything but I am am one step closer to finishing this V-10 PITA! Anyone finding themselves in this situation I will have plenty of heli-coils left over and a couple of stud removers to auction off.
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