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Igotagun87

DOHC or VTEC swap

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I have an '86 Prelude Si which is in very good condition. It's the only one around of its kind with the shape that its in. I hate to sell it for a new car, but I want something more than a SOHC engine. I would like to swap out a DOHC or some kind of VTEC engine. Which should I get, and is there anything else I will need to do besides put in the engine?

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Well, first of all, do you want SOHC VTEC or DOHC non-VTEC, or DOHC VTEC ?

 

It seems you don't know much about motors, but you know that you want VTEC ? Why don't you want SOHC ?

 

Motors

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The engine in it now is a SOHC and it feels a bit lacking. And as the engine is now, there isn't much out there for it. A newer engine would open it up to more parts. I was thinking of even getting a 4th generation Prelude engine for it. But if I could get a hold of a VTEC in a good price range then I would use it.

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Don't settle, you don't want to ever settle when it comes to an engine. It is not something you can change back out in ten minutes. Do research, find what you want, get it. Be happy with it.

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DOHC and SOHC are both fine for turbo, as 97 said.

 

H22A + Turbo = Good

 

B16A + Turbo = Better

 

B18C + Turbo = Best

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h22a + turbo = best in a prelude

 

 

 

err...

 

 

h22a is not really good to turbo unless its built, you'd have to run low psi.

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Yeah, but he had a point. It is in a Prelude. This is all for a Prelude. He wouldn't consider swapping in a B series motor in a Prelude. Well, maybe he would, but I wouldn't.

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hol up a minute i just realized that there was talk about a turbo being good on a h22. That is very incorrect. The h22 are not made for forced induction. If your talking about turboing something the b16 or 18 would be your best bet. Even the h23 would be better for turboing than the h22 due to compression. If u are going to turbo the h22 you've got a lot of work ahead of you and will prolly end up spending a lot more on getting it setup for turbo than anything else.

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Dude, read all of the posts in this thread. It is going to be in a Prelude, and they are not going to swap in a B series motor in a Prelude. H22 turbo > H23 turbo

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DUDE listen to me again. The h22 in a prelude or whatever its goin in is NOT A GOOD TURBO MOTOR. There is too much work that goes into setting it up for a turbo The only reason i said b16 or 18 is beacuse those are decent motors to turbo. Even the f22 would be better to turbo than the h22 because it is an iron block stock. The compression is better on the h23 which makes it better to turbo. I knew what they were talking about i was just giving examples of decent motors to turbo. So if the money isnt a factor and you dont mind getting another engine go ahead and turbo the h22. GDI's

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DUDE listen to me again. The h22 in a prelude or whatever its goin in is NOT A GOOD TURBO MOTOR. There is too much work that goes into setting it up for a turbo The only reason i said b16 or 18 is beacuse those are decent motors to turbo. Even the f22 would be better to turbo than the h22 because it is an iron block stock. The compression is better on the h23 which makes it better to turbo. I knew what they were talking about i was just giving examples of decent motors to turbo. So if the money isnt a factor and you dont mind getting another engine go ahead and turbo the h22. GDI's

 

 

ill agree that its not the best to turbo, but i can be done. if hes willing to build it right to run higher psi it will be fine.

 

 

you can boost it, your just going to have to run really low psi so you dont fawk anything up.

 

and if money wasnt a factor, he can just build the damn thing and turbo it.

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i was going to build a turbo but i decided to go all-motor f22b2

 

 

pistons and cam should be coming up next when the exterior is *uncrinkled*

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Thats all that i was saying it can be done, but to get good boost out of a turboed h22 you will have to go through a lot of crap which = money. The f22 all motor isnt gonna give you much.power if your planning on going na tuning then i would say get the h22 but if your trying to turbo it then stick with the f22. Right now i'm building up my old f22b (sohc vtec) for turbo. So i still have a spare engine to play with but if money is an issue then just buy the h22 and bolt ons for it. Good Luck

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good attitude.. most new members would argue and be a dipcrap about it the whole time.

 

i test most all the new members if they cant take an argument then they should fawk off.

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