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Hi all, getting close to installing my new Optimizer motor. What are you guys putting on the fire wall in the engine bay? I’ve seen the Dyna Pad product but I’m looking for something a little thinner and that it would stick to the wall and handle the heat. Thanks Gus.

Hi all, what is everybody using for firewall insulation? I gave up on finding an OEM replacement. I wanted to check before install my engine. Or should I not even worry about about it. I imagine these motors put out more heat than gassers. I also have the dash out for repairs and there is also...

Hi all, starting to wire up my glow plug harness on my Optimizer build I got from Quadstar. My 95’ factory harness has two fuseable links one for each side installed in the two large orange wires before they branch out to the eight blue wires going to theGP,s. And why does the left bank side...

Hi all anybody know where I can find a pump bracket 15589748. can not find it anywhere

Hi all finally decided to order a GEP long block from Leroy,s I’ve pull many gasoline engines. Any thing special I should know pulling the 6.5,s?. I pulled the rad. and support to make it easier for me because I will be pulling it alone. I’d like to pull the trans. with the motor . I have the 4...

Hi all, back at my head gasket problem. Started it up to move to garage after sitting since March, ran crappy but smooth out, let it idle in garage for a couple minutes no white some coming from tailpipe like before. Maybe a Gremlin fixed my truck while it was sitting🤔. Not!!! Took will,s advice...

Recommendations for 6.5 td? Thanks Gus.

Hi all it’s being awhile since I’ve been here. Since then my truck has 166xxx miles on it. Oh also a blow head gasket🤯. White smoke coming from tail pipe. Unfortunately I drove it awhile before the white smoke came out the tail pipe and the head gasket may have been starting to leak (Low heat...

Hi all, it’s been awhile. Does not happen all the time. No DTC,s Checked trans. pass thru connector,ok (New a year ago). Repaired a wire splice going from brake switch to ECM and replaced brake switch, thought I fixed it but no go. Checked trans.shift solenoids, ohm readings seemed ok.Went ahead...

Hi all, I’m up grading my gauge cluster lite to leds. Apparently GM used two types of twistlok sockets in there gauge clusters On there 1995 silverados. All the one I can find won’t work because the electrical contacts are 90 deg. to the locking tabs on the socket mine are about 30 deg. see...

I have a 1995 k3500 6.5 with no tail lites. Brake &turn work. Couldn't fine a tail lite fuse just an ILL. (Illumination) 10a fuse. Turned headlamp swt. on head lites on, instrument panel lites on. 10a ILL. fuse good but no voltage at fuse terminal. Also fuel gauge problem. Reads past full...

Hi all, A little history, 1995 k3500 TD 6.5 dully may boss gave to me it quit on him sat for two years. I got it going drove it a couple of miles. Now have lift pump electrical circuit problems. Pump runs when jumped from fuse block. Tried to find a detailed(detailed being the main word here)...