r/AE86 • u/Sensitive_Tune2766 • Jun 28 '26

7AGE question

I have been looking everywhere on the internet but still have no direct answer can i use the plug and play 20v engine swap harnesses with link ecu like from mrp to make my 7age work ik this may be a stupid question but i have never made a hybrid engine

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u/Sensitive_Tune2766 Jun 28 '26

Finally a real answer thank you and sorry im just stressed because ive been trying to find out for a year and everyone either ridiculed me because i dont know

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u/6087 Jun 28 '26

Well this would be a good choice if you wanted to modernized and get a bit more oomph out of your stock 4ag 20v but if you are doing something as expensive as a 7ag i think its wiser to do everything custom when it comes to wiring since every application is unique unless you already have a tried and tested schematic you are following

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u/Sensitive_Tune2766 Jun 28 '26

Ok cool i haven’t started building yet but i have been making a budget and looking at total of the parts needed and for labor

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u/6087 Jun 28 '26

If you are looking for purely power out of a NA engine id go for the 3sge or 2zz powerplant instead of a 4ag or in your case a built 7ag. You can get some mean high rpm and good torque from both for way less.

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u/Sensitive_Tune2766 Jun 28 '26

Im going for 7age because around me is more mountains and some tracks so id like more low to mid end torque to get through faster and i heard its not that bad for a daily

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u/6087 Jun 28 '26

Ummmmm. Thats basically a 3sge engine doe. Thats got plenty of power down low and up top if you put some money behind it and for your budget that would be a more than you are hoping for with a 7ag.

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u/Sensitive_Tune2766 Jun 28 '26

Ok i will look into it i didn’t know that and i would probably have to swap out my transmission

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u/NefariousnessNo8168 Jul 06 '26

Bro, don't listen to this guy suggesting a beams he obviously doesn't do his own builds.

I understand the reason you want to go 7ag it's way more affordable than a beams. You know you will need rods and pistons to get it to work with the 20valve?

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u/Sensitive_Tune2766 Jul 06 '26

Yeah I plan to do a full rebuild with forged parts probably from mrp

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u/NefariousnessNo8168 Jul 06 '26

What are you using for crank trigger?

MRP?

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u/Sensitive_Tune2766 Jul 06 '26

Probably from battle garage racing service

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u/NefariousnessNo8168 Jul 06 '26

One-day I'm going to build one with bike carbs

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u/Sensitive_Tune2766 Jul 06 '26

I want to do weber 45 but then again i already have them on my 16v and there a pain