acutally no i do not have the room. i do not want to cut the frame, so i am going to get the headers and have them cut and add 2 inches at the flange so they will clear the frame.
Originally Posted by A2theR84
acutally no i do not have the room. i do not want to cut the frame, so i am going to get the headers and have them cut and add 2 inches at the flange so they will clear the frame.
what headers r u getting and what do u have to do to them for them to fit?
header from summit part# SUM-G9048 $153.93 they are shorty headers fit 99-04 truck requires slight mods to PASS side rail
you can cut a small chunk out of the frame so it will clear or, you can do as i am i am going to cat the header off at the flange and and add about 2 inches of pipe in to it.
Last edited by 87OldYeller; 02-05-2010 at 08:08 PM.
Here is some of what I got done today
doesn’t look like much but removed all the old fuel lines, cleaned the frame some, bolted in the core support, got everything lined up and bolted in. Now just to wait on my wiring harness and computer.
Been a while since I been here. Done a lot to the truck, got the body put back together, drove it around some. Runs ok I just need some help from the folks here.. The exhaust on the truck is down pipe with 02 sensors and catalytic converters installed but stops there. But truck will Idle great, in neutral if you give it throttle it sounds good but if you get it ½ throttle or much over idle and completely let off the throttle the truck will die but if you come down slow it will idle, put it in drive it will pull off like normal same deal with throttle if you apply enough throttle as to pull off at a decent speed it bogs bad let off it will go back to idle.. sometimes die. Attempt to try burn out it bogs bad and will die. The fuel pump is new the one I used was recommended by other members who have done the swap.
Just for kicks, what's your fuel pressure at the rail when this happens?
1969 Chevy RCLB C10 350/TH400 SOLD
2007 Chevy RCSB 4.8 4x4 LS SOLD
2008 Chevy RCSB 5.3 4x4 LT SOLD
2010 Chevy CCSB 6.2 4x4 LT SOLD
2005 GMC CCLB DRW 6.6 Duramax 4x4 191,000 and counting
2013 FORD CCSB F350 6.7 Powerstroke 4x4
Nice!
99 4x4 5.3 NELSON TUNED / 02 Ls1 CAM / 02 Ls1 "241 Heads" Port/Polish milled .045" / 03 INJECTORS / AIR RAID JR. INTAKE / PORTED THROTTLE BODY / TR55's / EGR DELETE / E FAN's / CAT DELETE / EXHAUST DUMPED
Headers, Transgo HD2, 3200 stall, 4.56 gears coming soon.....
no but i changed the throttle body and it made a huge difference. now it just is kinda high at idle, but i think the idle air control valve is bad looks like it might of been bent some. Got to figure out how to hook up the OBD2 Port i believe the orange is the ign hot wire, there are two black weirs i guess there ground? matter where they ground to truck or battery? and the purple wire is the wire for the OBD2 wire coming out of the harness. I just cant get the OBD2 code reader to read anything. ign on and both black wires tied together and hooked to good ground.
OK got the OBD2 port hooked up and working right. The code it is showing comes up to PO1022. I changed the TPS didn't help. Truck Idles great. but if you try to get into it it still bogs. this engine and computer was DBW now I am using a DBC Throttle body and the computer has been tuned. the exhaust is down pipes and cats. stops right next to the transmission, could it be lack of back pressure or loss of when u throttle up fast?
I just looked at my master OBD DTC list. It's a little old (2005), but it does not show that code. Here is what I find for DBC codes. Can you confirm the code? What model year is the engine, and more importantly, what model year is the "tune"? You might have a bad wire, which would explain why a TPS change didn't fix it.
Check for vacuum leaks, check to make sure your MAF is working right too. Open exhaust after the O2's won't cause that big of a stumble, but the PCM not knowing where the throttle angle is at can certainly cause it. Same with a bad MAF reading.
P1120Throttle Position (TP) Sensor 1 CircuitP1121Throttle Position (TP) Sensor Circuit Intermittent High VoltageP1122Throttle Position (TP) Sensor Circuit Intermittent Low Voltage
Mike
http://kds-performance.com
94 Silverado Z71 SCLB 4.8L LR4 Daily Driver
93 GMC Sierra 2WD LS V8 Swap dun, run, rusted, stripped & junked
1979 Caprice Coupe - LS Swapped - 11.76@115.8
Posting Permissions
Reply With Quote
