73-87 Chevy _ GMC Trucks > Members Rides
Hello all.
jeremy.farlow:
That’s as clean as the current paint is gonna get. Dead ain’t the word. Cremated and ashes spread is a better description. It’s on the list. I like white trucks, so it’ll stay white. I’m planning on as much fiberglass as I can.
Today’s big update!!!
I SCORED a Tremec. It’ll be delivered for >$1000, still a lot of work to make it work, but I’m on the way! Honestly, I was looking for a 5-speed. I figure the torque spread of the big block shouldn’t need the 6th gear. But, when it comes across your plate you take it.
Jeremy
Irish_Alley:
think most people see diesels and think about how complicated they're. but mine being a first gen only needs 3 wires (one fore starter one fore ground and one for the fuel shut off) its pretty simple swap and and theres no spark to worry about. if the injection pump ever screws up you can rebuild it yourself or pay 600 for one done. but i do understand some people not liking diesels and the smell gets them sick so yeah its not for everyone and the power band falls off around 2200 rpms. she can haul a trailer nice and thats what i was after.
jeremy.farlow:
I get the appeal of diesels. Trust me. My girl has a horse and desires more. She found a 97 F350 with the 7.3L and I had no issues lending her the money to buy it. It doesn’t change the fact that I don’t fundamentally understand diesels, nor do I have the tools to work on them. That fundamental misunderstanding when it came to fixing the first problem on the super duty. Glow Plug Relay. GPR in the parlance. My understanding of glow plugs WAS that they functioned like a choke for a diesel. I never imagined they functioned continuously.
In any case, I feel like I’m biting off MORE than enough with the scope of this project as I see it. Manual transmission swap, cage, long travel, etc. I don’t see the gains in swapping out the entire fuel system as well. Especially when part of the purpose is to build an irresponsible GAS motor. As it stands, no matter how much torque the Ford 7.3L makes and how junky the 200k mile 454, peanut port, low compression clapped out ANCHOR is, the suburban walks on the Ford. Badly. All the Ford does is make noise for the first few hundred RPM. Meanwhile the Chevy is moving as soon as my foot comes off the pedal.
I appreciate the input, but it’s gonna be a 9mpg gas motor, not an 8mpg diesel in my suburban.
JAH:
Nice Sub, Jeremy. I've always had a soft spot in my heart for the eight-luggers.
If I may throw-in my $0.02...
Maybe think about stepping-away from a big block flat tappet motor and towards a big block roller motor. Although not stellar, I think there are some MPG gains to be had.
I believe the GM crate 454 HO is a roller, as well as the HT502 and 502 HO. I also believe they'll run on 87 octane...which is a huge plus when your MPG is in the single digits.
jeremy.farlow:
I’m definitely planning on a roller cam. Absolutely. I’ve got another block, decked, align-bored and cylinders bored 0.060” over. That’s a 4.310” bore. Still working out some top end stuff so I can get the right dish pistons. I’m shooting for mid-10 compression. I may have to run premium in the summer or hauling, but I think that should be safe compression range with EFI. The plan is to have the machine shop do the short block and I’ll build the top end. I’ve built a handful of motorcycle engines, one was a championship “Battle of the Twins” winner. I feel confident in my skills, assisted by youtube and forums like this. Ideally I’ll break the motor in in a dyno cell, tune it, get the tremec as figured out as I can out of the truck and hopefully install it all over a three-day weekend.
That’s likely several months away. In the meantime I’m gonna do the dash and put in a stereo over the next week.
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