stroker/turbo

EagleW · January 01, 2019, 07:02:47 PM

I am doing rebuild on a 258. I am wondering if adding a turbo is worth it and if buying a stroker kit would be worth it and what all would need to be replaced to make this safe? This is my first rebuild, so I apologize if terminology is wrong or the questions seem stupid.

mudkicker715 · January 01, 2019, 10:15:50 PM

My 2.73 geared eagle can do faster than 108mph, it can get a rubber squeak into 2nd gear. It walked past a crown Vicky that was chipped to stop at 108mph. However i was beat off the line i had to fight to overcome that in 4th with a sr4 trans.

Anyway it is stroked with parts from a 94 H.O. 4.olt, so the 7120 head and whatever cam the 4.0 had. Its carbed with a mc21??. Not gronk garbage btw. True dual exaust no xover. It has msd ignition all around. No turbo

Of course this was probably a closed course type thing not an interstate or highway.

EagleW · January 01, 2019, 10:57:50 PM

Thanks. I believe it is the MC21. thanks for the information I really love this forum. I got a shop manual for christmas if anyone needs something scanned I would be happy to do so.

mudkicker715 · January 01, 2019, 11:10:55 PM

As far as scanned things we have the epedia tab at the top of the page. You can find good info in there.

EagleW · January 02, 2019, 12:20:04 AM

what parts are needed to stroke it?

DAVE · January 02, 2019, 09:30:12 AM

others will chime in on exactly what is needed but basically is a 4.0L with the crank out of your 258
so to create a stroker you are going to need a 4.0L engine

mudkicker715 · January 02, 2019, 01:02:56 PM

Its just swapping the crank and rods, from one to the other. You should also go to the machine shop to get everything looked at and polished up.

eaglefreek · January 04, 2019, 11:33:22 AM

There's is plenty of info on the web regarding building a stroker. Check out jeepstrokers.com. There is a bit more to just throwing in a crank and rods into the 4.0L block. You need to pick the right pistons and head gasket so you have proper squish to resist detonation.

amarshall · January 04, 2019, 10:13:08 PM

"Squish", really?? Good one Rick.

eaglefreek · January 06, 2019, 02:26:09 PM

Quote from: amarshall on January 04, 2019, 10:13:08 PM
"Squish", really?? Good one Rick.

Squish is more of a 2 stroke term, I should have used quench.

vangremlin · January 06, 2019, 08:20:25 PM

Quote from: eaglefreek on January 06, 2019, 02:26:09 PM

Squish is more of a 2 stroke term, I should have used quench.

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stroker/turbo