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  1. Matt98

    Low beams not turning on?

    If it is the older style interior, look under the dash you'll see the switch on the column with a rod running to the turn signal switch. Unplug the connector and put a jumper between the middle wire and one of the outside ones. One wire will give you high one will give you low. If you can get...
  2. Matt98

    To rebuild or not

    Huh that never even crossed my mind that I could just use a different brand intake. I did eventually find an edelbrock one with provisions for fuel rails for a vortec but it is around $1000. It looks like Holley makes one thats a bit of a different design but it comes with fuel rails and its a...
  3. Matt98

    To rebuild or not

    I guess the best thing is run a leak down test on it and if it’s in good shape see if I can get just the intake from Edelbrock without buying everything, don’t touch the heads or anything. If not, pull the heads and look further check the bores etc
  4. Matt98

    To rebuild or not

    Well the main reason is I don’t want any leaks to form so I’m changing all the gaskets. The reason to get rid of the vortec heads is that I have an Edelbrock MPFI (pro flo 4) and I don’t think you can buy just the intake to switch it to vortec, you need the entire kit again. It looks like a...
  5. Matt98

    To rebuild or not

    Thank you, the pistons were moreso my concern. The original plan was to either just send the block out or drill hone it and put new rings in it, though I think I’d rather send it out but I noticed the kit can come with bearings rings gaskets and with or without pistons and I figure if I was...
  6. Matt98

    To rebuild or not

    Hi, I have a vortec 350 from a 99 Tahoe. It has low mileage (180,000km) and as far as I know doesn’t burn any oil, runs perfectly quiet. I’ll be switching the heads most likely to pre 87 heads to fit my intake but I’m not looking for a lot of performance. Keeping stock cam etc. I can’t...
  7. Matt98

    Vintage Air 88-94 System

    It's probably cheaper to just use factory parts and retrofit them into the truck, though it is neat to see they finally support them
  8. Matt98

    Installing Air Conditioning on a Non Air Conditioning Truck

    Now that I think about it, when I was originally going to use all the controls I cut the wires I needed from the harness and rewired it to make it a stand alone harness. That is possibly what you will have to do. I would assume it would fit if you were to swap the entire harness, maybe someone...
  9. Matt98

    Installing Air Conditioning on a Non Air Conditioning Truck

    You should be okay. I had the entire unit out of the 98 I was originally going to swap in and managed to wire it up and have full function of all actuators etc. The only reason I didn't end up using it is because I wouldve had to make a custom control switch so it didn't look out of place in...
  10. Matt98

    Solder vs crimps

    I generally solder wires. I find it just gives you a more clean look when you're trying to wrap harnesses. Not only that, but it is a lot cheaper than quality connectors. When I do crimp, the biggest thing is to make sure you're using a half decent tool that is capable of crimping them as...
  11. Matt98

    Oil Leak at rear of Engine & Top of tranny

    You don't have to pull anything, you just need an oil pressure socket. I swapped mine last week it was slightly tight of an area but the only thing I took off was the air intake. It's threaded into an elbow. I used a flex head ratchet with the socket and it took me maybe 5 minutes to change...
  12. Matt98

    Carb swapping an 88 5.7 TBI, parts recommendations

    I did it to mine. Honestly I swapped the entire engine but the principle is the same. Electric chokes are generally better (depending on who you ask) as they're as simple as pressing the gas pedal once to engage it and set the choke, then it pulls off automatically. Manual chokes will give...
  13. Matt98

    Installing Air Conditioning on a Non Air Conditioning Truck

    Hi, I am posting this to show what has to be done in order to install A/C on a GMT400 that did not come with A/C. I wanted to keep the manual climate control, with cables and do the swap as cheap as possible (basically free). Here's a basic write up of what I did. The total swap took me a...
  14. Matt98

    Edelbrock electric choke wiring

    Theres a junction block under the dash on the driver's side, one empty terminal there labeled IGN for key on power, I assume its for accessories. Use a spade connector to tap into that and put a 5A fuse and run it to your choke.
  15. Matt98

    Non- A/C Heater Box.

    Alright I’ve done my swap today...my factory non A/C truck (92) has the exact same box as one with A/C (98), the difference being the actual mode doors have levers moulded on instead of a piece to add an actuator, as well as the blower housing has a slightly different recirculate door as it’s...
  16. Matt98

    Non- A/C Heater Box.

    I believe for the most part the AC/Non AC heater boxes are the same in all GMT 400 trucks. I can confirm this tomorrow, I'll be putting an AC box out of a 98 in my 92 with no ac. The controls are different in the earlier ones without AC anyhow, as they are cable vs electric on the ac/new ones...
  17. Matt98

    Big parasitic draw and already tested all circuits

    Depends on the truck though, whos to say there isnt some sort of aftermarket alarm that decides it wants to set all the lights/horn off as soon as the battery is hooked up. Just a preventative procedure.
  18. Matt98

    Big parasitic draw and already tested all circuits

    I know a lot of this has been stated, but test the battery first. If it’s good, get a cheap meter and hook it between the negative terminal and cable. It’s in your best interest to disconnect the negative terminal then run a jumper wire from that to the battery, wait a few seconds, hook your...
  19. Matt98

    Parking brake adjuster

    No that joins the front cable to the rear cable, this one joins the left and right cables together
  20. Matt98

    Parking brake adjuster

    Before I even put it on I squeezed the clamp a bit tighter but nothing, and theres nothing that holds the other cable in place on the other side, it just flexes under pressure and opens up. I ended up putting my old one back on (which is also that same dorman one) What I did there was cut the...
  21. Matt98

    Front brakes help!

    Not true, Powerstop brakes for sure say to bed them in right on the box. I've had AC Delco pads squeak a few times and the pad physically looks hard, which I believe from whoever doing the brakes not bedding them in properly. It also really helps on rotors where the whole surface is coated to...
  22. Matt98

    Parking brake adjuster

    Hi, A couple years ago I changed the rear cables and the equalizer/adjuster on my parking brake (The adjuster snapped). The only one I could get was by Dorman and as soon as I went to apply it with any bit of tension the one cable pulled through. I fixed it by adding a hose clamp there. Then...
  23. Matt98

    Engine knock issue

    EGR was my first thought, though as far as I know the engine never had an EGR. There's nothing in any vacuum lines I ran them all, the engine itself came out of a trans am I got that was rough, so I'm not sure exactly what was done to it in the past, nor did I drive it before pulling the motor...
  24. Matt98

    Engine knock issue

    Base is set to 8 degrees, total is 31 degrees ATM with the vac advance disconnected. I'm not sure exactly how much advance the vacuum advance adds but its a stock distributor. Like I said the engine sounds happy right now but If I'm sitting at about 14" of vacuum right now, if I advance the...
  25. Matt98

    Engine knock issue

    I've done some playing around with it. I got it to run really well with the light springs and the vacuum advance disconnected. Running 31 degrees of total advance. However it seems like it likes more timing at idle, so I need to hook that back up. I'm wondering how I should go about this, if...

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