05-02-2018, 06:58 PM | #1 |
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gm create motor ?
https://sdparts.com/i-19928425-gm-en...te-engine.html
looking at this for my k30 project beater . will be th400/4.10 gear / 33.30 tire height . plow truck / trailer puller / work truck / dd use . whats your guys feedback on this unit ?
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05-02-2018, 07:10 PM | #2 |
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Re: gm create motor ?
Not bad for 2k. Dunno if its original or what, but my 98 Tahoe odometer says 253k, and with 3.42s it will get up and go. Slap a carb on it and will prolly run pretty good. Thinking this might be an option when time comes to replace my motor.
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05-02-2018, 07:23 PM | #3 |
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Re: gm create motor ?
Much better motor than the other crates.
Good heads, compression and better matched cam. |
05-02-2018, 08:54 PM | #4 |
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Re: gm create motor ?
I have about 45000 on mine now in the 66. Mild comp cam, super victor intake, 670 street avenger carb. I have an in tank pump with an aeromotive return style regulator. works flawless.
Jimmy
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05-02-2018, 09:09 PM | #5 |
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Re: gm create motor ?
i was planning on slapping a holley snipper on it .
the balancer and cover that comes on it have a timming pointer and marks ? i cant tell in the pics . since i will be running a hei dist with vac advance .
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
05-02-2018, 10:45 PM | #6 |
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Re: gm create motor ?
If you want to wake that L31 up put a HT383 Crate/Ramjet 350 cam in it - part number 14097395.
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05-02-2018, 11:05 PM | #7 | |
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Re: gm create motor ?
Quote:
its 196.00 for the cam . . . and its on my order list .
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05-02-2018, 11:12 PM | #8 |
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Re: gm create motor ?
A L31 engine with the Ram Jet 350/HT383 cam is a great running engine. It makes great torque even with the 1.5 rockers.
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05-02-2018, 11:17 PM | #9 |
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Re: gm create motor ?
well with all the feedback from here i think its time to make a few calls for the best deal and get it coming . need this truck rolling soon .
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
05-03-2018, 06:32 AM | #10 |
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Re: gm create motor ?
I had the sniper on mine and pulled it. Had a bad habit of just shutting off going down the hiway. Go on the holley forums and go through the sniper section. They are having some issues.
Jimmy
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05-03-2018, 07:02 AM | #11 |
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Re: gm create motor ?
Looking at this engine for a swap too. Just keep in mind since you are not putting this in the specified vehicle the warranty is only going to be 12 months.
Jeggs has had this on sale in for somewhere around $1850 I think. |
05-03-2018, 10:32 AM | #12 |
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Re: gm create motor ?
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05-03-2018, 11:06 AM | #13 |
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Re: gm create motor ?
The GM L31 engine is one of the best values out there. One piece rear main seal, roller cam and Vortec heads. Great combo as long as you can deal with it not supporting a mechanical fuel pump. You need to use a Vortec specific manifold and flex plate/flywheel for a 1 piece rear seal but outside of that, they are great.
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05-03-2018, 12:44 PM | #14 | |
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Re: gm create motor ?
Quote:
Yes, you can do a cam swap but then that voids the warranty. |
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05-03-2018, 06:24 PM | #15 | |
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Re: gm create motor ?
Quote:
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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05-03-2018, 06:25 PM | #16 |
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Re: gm create motor ?
Put that cam in it and you'll go up to about 330 HP and 390 Ft-Lbs.
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05-03-2018, 06:57 PM | #17 | |
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Re: gm create motor ?
Quote:
what engine ? there is a few links in here .
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05-03-2018, 09:37 PM | #18 |
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Re: gm create motor ?
L31 engine with the Ram Jet 350/HT383.
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05-03-2018, 10:03 PM | #19 |
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Re: gm create motor ?
ah got ya . thats what i was planning .
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05-03-2018, 11:41 PM | #20 |
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Re: gm create motor ?
check out the GMPP 350 HO Crate engine...its the same L31 Vortec, rated at 330 HP 380 ft lb torque...
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05-04-2018, 07:28 AM | #21 | |
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Re: gm create motor ?
Quote:
nice option but i dont think its for me and my build. i am doing a k30 work truck and dont need to get crazy . i have other trucks for that .
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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05-04-2018, 11:12 AM | #22 |
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Re: gm create motor ?
Yeah, it sucks that GM put a flat tappet cam in this engine, even though it's setup for a factory roller cam.
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05-04-2018, 11:37 AM | #23 |
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Re: gm create motor ?
But if you buy the L31 engine and the Ram Jet 350/HT383 cam you'll easily get that much power, but it will be in a lower power band and you'll have a roller cam.
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05-04-2018, 05:40 PM | #24 |
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Re: gm create motor ?
and for a big heavy truck you need the power band lower than up top .
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
05-04-2018, 07:29 PM | #25 |
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Re: gm create motor ?
so do i buy the engine and run it for what it is ?
or do i . . . . buy the cam and install it then run it and say to hell with the warranty ? that is the BIG question . . . .
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77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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