Recent content by Highsierra84
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6.2 Detroit into a 84 gasser
Scored an 1986 J code 6.2 Detroit Diesel no ac Engine for the future power plant for my 1984 gmc k25. New Donor power plant has 180k mileage so not that to bad. My plan for the swap was to tear down to the block, inspect the heads, slap it back together with new gaskets/seals. Most likely get...- Highsierra84
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- 350 sdc 6.2 detroit 6.2l diesel chevy diesel swap engine swap gas to diesel gmc hydroboost wiring harness
- Replies: 4
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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84' GMC 350 motor rebuild
Looks like summit makes a decent flat top piston for cheap. https://www.summitracing.com/parts/sum-17351c-20 I'll be getting this. I'll have to do some math for the head gasket thickness, but this 0.020" over flat top piston with those 72cc cast iron heads should be in the ball park for pump...- Highsierra84
- Post #16
- Forum: Tech Discussion
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84' GMC 350 motor rebuild
Making a christmas list: Basic rebuild kit(bearings,gaskets,pistons&rings,timing set, water pump, fuel pump, oil pump,etc) $500 roughly New summit heads 152123 cast iron 72cc $700 Summit k1102 cam kit $113 Long tube headers $175 I'll keeping my Original Intake manifold and distributor. Forgot...- Highsierra84
- Post #14
- Forum: Tech Discussion
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84' GMC 350 motor rebuild
Funny you mention that summit 1102 cam. The Melling MTC-1 caught my eye, but for the price for the lifters alone, the summit kit is a go. I'll have to see what my local head shop charges for a valve job for my current heads. If it turns out that my current heads need a ton of work, then I'll...- Highsierra84
- Post #7
- Forum: Tech Discussion
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84' GMC 350 motor rebuild
Thanks for mentioning about the vortecs in cold climates. I'm up in 3500ft elevation below Lake Tahoe, California and planning on moving more north to cooler states, so the vortec might not be for me. I'm now thinking more the lines of just doing a straight rebuild and installing a towing cam...- Highsierra84
- Post #4
- Forum: Tech Discussion
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84' GMC 350 motor rebuild
Apologize for the lengthy thread, this will be my first rebuild. 1984 k2500 High Sierra, long bed 350 motor sm465 np208 10 bolt auto-lock hubs front axle (someday soon I'm installing warns hubs, don't worry) 14 bolt semi-float rear 3.73 235/85r16 tires Cherry truck for a k2500, old man...- Highsierra84
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- budget diy motor rebuild rebuild sbc 350 summit racing towing cam vortec heads work truck
- Replies: 15
- Forum: Tech Discussion
