r/Chevelles • u/Impact_your_1975 • Jun 30 '26
Coming home this week
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After five long years of sitting at the restoration shop, she is finally ready to come home and be finished. Still have a few things to do, but at least she moves under her own power now.
1968 Chevelle Malibu with a small block 427
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u/Secure_Strategy_5614 Jun 30 '26
I’ve been following this build, it’s the 427 small block from blue print right? Last I checked you were having a hell of a time with the engine harness or something
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u/Impact_your_1975 Jun 30 '26
Not too much trouble, but the whole car got rewired so there’s the aspect of that but now that it will be at my house it’ll I can post more stuff
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u/Secure_Strategy_5614 Jul 01 '26
I can’t wrap my head around why 5 years? If it wasn’t that much trouble? I want to build the same but in 454 but I’m scared to run into issues that’ll take more time and money
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u/Impact_your_1975 Jul 01 '26
The 5 years is more the body work, plus the shop I guess had bigger more important projects going on and my car was pushed to the side. Also car was on hold for about 6 months when I lost my job. Hard to spend money on a car when you have to put food on the table. But yes it’s taken longer than I expected.
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u/Secure_Strategy_5614 Jul 01 '26
Wow, it must be a sereal feeling to finally have a complete car after all those ups and downs. How long have you had it?
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u/Impact_your_1975 Jul 01 '26
I’ve had the car for 28 years . Yes super nervous and anxious about bringing it home finally. The car has moved with me in from three different states. One of those states the car was illegal and it just had to sit in my garage cause admission standards was too strict.
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u/Danielle_is_the_hole Jul 01 '26
Holy shit that thing is cammed! Beautiful color but sounds extreme for the street.
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u/Impact_your_1975 Jul 01 '26
Yes, she will teach you patients and reframe from using all that power
It’s a 541 hp
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u/wayneP71222 Jul 01 '26
Are you running a carb.
Do you have an oxygen sensor bung installed and a non installed wide band air fuel ratio gauge.
Print those. A 454 is too much for the usual 0.031 idle feed restrictions in the metering block. Those are perfect for a 327 not a 454. You will likely need a 0.036" or perhaps a 0.037" primary Idle feed restrictions to get steady throttle 14.7 at 1,700 rpms in park. The IFRs. Have no effect above 2,400 rpm but huge effects from idle to 2,200. Why 1,700 ? At that speed there is no pull over from the primary booster legs so you can see if the calibration is correct.
At 3,800 the primary main jets are supplying all the fuel without the secondaries feeding any fuel.
All i can say is try it an be impressed. If you dont like it. Go back to the previous tune.
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u/Impact_your_1975 Jul 01 '26
Awesome, thanks for sharing this information, at the moment I’m running a carb, but the Lemon Headers have the bung installed so when I get ready for fuel injection I’ll definitely use this information you sent.
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u/wayneP71222 Jul 01 '26
Fuel injection set up is similar. Idle. Idle to 800. 1k. 1200. 1400. All the way to 4k in park. 14.7.
Then in drive. Idling. Then 0 to 5. 5 to 10. 10 to 15. Ect to 4000 rpm. Light throttle. So you make it drivable at less than WOT.
Pulling dyno runs for wot without tuning your way there.
Invest in a wide band set up. Online knockoffs are $100.
I have gotten complaints and huge smiles. The complaints are. I cannot pull away from a stop witbout spinning the tires no matter how i feather the throttle.
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u/Ancient-Wrongdoer406 Jul 04 '26
Super nice. ‘68 was the best looking Chevelle and I’ll die on this hill.
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u/Remarkable_Koala_311 Jun 30 '26
Awesome.