89 single cam, wroth putting money in?

[Crazyracer77]

i just bought a 89 240, i was just wondering if the single cam motor is wroth puting money into? if not i got money to do the swamp, but i was just wanting to know how much you could build it.

What do you all think???

[240marcuSX]

im building mine, but im just wierd like that.

they respond to boost very well.

you can switch over to a carb setup

you can make ITB's

or you can just keep the stock efi and do pulleys, cams, header, intake, and up the compression and drivetrain and have a decently quick car. theyre fun and easy to work on. whatever floats your boat.

[Golden]

To increase the power of an engine, burn more fuel (the only source of energy in your car). To do this, you need more Oxygen. The best way to get more Oxygen is to supercharge (increase the air pressure within the engine). A Turbo (turbo-supercharger) is best because it is the most efficient method of supercharging: deriving it's energy primarily from the engines' wastes. (in the form of exaust pressure and heat) The effectiveness of a Turbo system is a function of how efficient the engine was originally designed to be. (lower compression, less valve overlap, multiple smaller valves, etc.) SOHC is less efficient than DOHC. 12 valve is less efficient than 16 valve. New engines are more efficient than old ones. Economy cams are more efficient than N/A (normally aspirated) "performance" cams. Therefore, I suggest you swap for a new DOHC and then spend about an equal amount supercharging it. Contrary to Gran Tourismo and other fantasy, you can't increase power in increments. Choose the amount of power you want from your engine and design your Turbo system to generate that amount. Properly done, you can increase the power of the engine almost 50% without sacrificing anything but money. The added combustion pressure from the turbo system at moderate boost generates less wear on the journal bearings than top/botton dead center during hard driving and high RPM. Beyond 50%, engine wear is only a linear function of boost but is proportional the the SQUARE of RPM. Engines with high boost but driven smoothly outlast engines being red-lined constantly and suffering the wear and tear from ham-fisted shifts and dropping the clutch .

[deviousKA]

To increase the power of an engine, burn more fuel (the only source of energy in your car). To do this, you need more Oxygen. The best way to get more Oxygen is to supercharge (increase the air pressure within the engine). A Turbo (turbo-supercharger) is best because it is the most efficient method of supercharging: deriving it's energy primarily from the engines' wastes. (in the form of exaust pressure and heat) The effectiveness of a Turbo system is a function of how efficient the engine was originally designed to be. (lower compression, less valve overlap, multiple smaller valves, etc.) SOHC is less efficient than DOHC. 12 valve is less efficient than 16 valve. New engines are more efficient than old ones. Economy cams are more efficient than N/A (normally aspirated) "performance" cams. Therefore, I suggest you swap for a new DOHC and then spend about an equal amount supercharging it. Contrary to Gran Tourismo and other fantasy, you can't increase power in increments. Choose the amount of power you want from your engine and design your Turbo system to generate that amount. Properly done, you can increase the power of the engine almost 50% without sacrificing anything but money. The added combustion pressure from the turbo system at moderate boost generates less wear on the journal bearings than top/botton dead center during hard driving and high RPM. Beyond 50%, engine wear is only a linear function of boost but is proportional the the SQUARE of RPM. Engines with high boost but driven smoothly outlast engines being red-lined constantly and suffering the wear and tear from ham-fisted shifts and dropping the clutch .

You will probably make more friends over here..zeroforum?id=170

Opinion is abundant

Crazyracer77, sohc is a good solid platform. Internal components are easier to work with and cheaper compared to the dohc. Its pretty much the top dog in both NA and turbo form at the moment (those with ka24de will always deny). Not a slacker by any means.

[bruinbear714]

Depends on how much power you want out of it.

NA will get you so far... the real power is under boost

[240marcuSX]

you can make as much power as you have money with the E, its like anything else.

im keeping mine N/A, im reading up about ITB's and the like. ill get a turbo car somewhere down the road maybe.

I love my KA24E because everything is soo cheap for it, and you can find parts all over junk yards.

[Florida240sx]

I say keep the SOHC.I got 2 of them.Turboing my DOHC.But goign to be build up one of the SOHC with high compression and other well maybe dune buggy with t-88?

[sileightysomeday]

im considering the same thing, i have a '90 SOHC.

[Crazyracer77]

if i put a turbo on it and run it at about 6-7 psi, would i have to do any inside motor work? iam new to nissan, i have had many honda's, im just wanting to try something different. Thanks everyone

[Veriest1]

6-7 won't require any motor work unless the motor is already dead. Just do a compression check first.

Many of the sponsors sell kits set around 8 psi without any modifications to the internals. Just look around a bit.

[InsanityInc]

Internal components are easier to work with and cheaper compared to the dohc. Its pretty much the top dog in both NA and turbo form at the moment (those with ka24de will always deny). Not a slacker by any means.

Tsk tsk. Wait til' I get done. Hopefully people won't keep flaking out and holding me up on ****... starting to really annoy me.

The SOHC KA isn't bad at all. People have been making great power with one camshaft for years. Probably the biggest problem with the SOHC is the really low compression ratio (at least in the later years).