Rebuild + Mild Stroker Build

Newbies, and basic Stroker Recipes... Get started with your first stroker here!!
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Glacko
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Joined: October 26th, 2019, 2:53 pm
Vehicle Year: 1989
Vehicle Make: Jeep
Vehicle Model: Cherokee

Rebuild + Mild Stroker Build

Post by Glacko »

Hello, my engine suffered low oil lubrication recently and the number 3 crankshaft journal is out of round. I've decided to rebuild the engine rather than buy another Cherokee. Can I just buy an Enginetech Rebuild Kit and a refurbed 258 crank or should I buy a stroker kit for like a grand and a rebuild kit minus the pistons and bearings? Just trying to keep it a budget rebuild and might just send it to the machine shop for a hot tank and maybe a hone/ bore to 030 if needed?
Russ Pottenger
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Re: Rebuild + Mild Stroker Build

Post by Russ Pottenger »

If you’re able to obtain a good 258 crankshaft that’s been properly ground at a fair price that could be a potential cost savings strategy over shipping a Scat crank across the country.

I have a forged piston steel rod combination that I think would be worth considering. Besides the obvious benefits of them being forged rather than cast there are some cost savings that you’ll save in machine work that will help offset the upgrade cost of the package.

Feel free to shoot me a email and I’ll be happy to forward you pricing information on these and some of my other stroker parts.

Thanks,
Russ Pottenger
Bishop-Buehl Racing Engines
531 N. Lyall Avenue
West Covina, California 91790
Work (626) 967-1000
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Glacko
Posts: 7
Joined: October 26th, 2019, 2:53 pm
Vehicle Year: 1989
Vehicle Make: Jeep
Vehicle Model: Cherokee

Re: Rebuild + Mild Stroker Build

Post by Glacko »

So I went out and bought a 1997 head and plan to DIY port it with a 97 gasket, so my current recipe looks like this

Clegg Stroker Kit:
Scat Jeep 4.2L 3.895" stroke crank
Refurbished Jeep 4.0L 6.125" rods
Icon 4032 Forged Dish Pistons -27.5cc #IC668

Renix Block
DIY Ported 1997 Cylinder head
Renix Intake and Exhaust Manifolds
Ford Injectors 24lbs
Renix Throttle Body

But I was wondering what kind of head gasket I should go with, should I deck the block and if going with a stock Renix cam is the way to go since I hear the ECU doesn't like other cams
Russ Pottenger
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Vehicle Model: Cherokee

Re: Rebuild + Mild Stroker Build

Post by Russ Pottenger »

Your 0630 HO cylinder head will not be compatible with your Renix manifold
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Cheromaniac
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Vehicle Model: Cherokee
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Re: Rebuild + Mild Stroker Build

Post by Cheromaniac »

Just update to the '00+ intake manifold, HO throttle body, and '91-'99 aftermarket header. It's pointless building what is effectively a HO stroker and then choking it with the Renix intake and exhaust.
I bought my '00+ intake manifold with PS pump and bracket as a complete unit from a junkyard to make the swap easier.
1992 XJ 4.6 I6 - 5MT - Stroker build-up, Stroker "recipes" Sold
1995 Mustang GT - 4AT - Modded Sold
2006 Mustang GT - 5MT - Modded Midlife Crisis Car :mrgreen:
Glacko
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Joined: October 26th, 2019, 2:53 pm
Vehicle Year: 1989
Vehicle Make: Jeep
Vehicle Model: Cherokee

Re: Rebuild + Mild Stroker Build

Post by Glacko »

Can I just bore out the throttle body so I dont have to screw around with adapting the TPS? The intake and exhaust manifold swap doesn't look THAT tedious :roll:
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Cheromaniac
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Vehicle Model: Cherokee
Location: Cyprus
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Re: Rebuild + Mild Stroker Build

Post by Cheromaniac »

Yes you can. The Renix throttle body can be safely bored out from 51mm to 58mm. You'll need to make a throttle plate to match and ensure it's positioned at the same angle as the stock one when closed.
dwg86
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Re: Rebuild + Mild Stroker Build

Post by dwg86 »

If you’re looking for a good 258 12 weight crank, I have a a fresh machined .020/.020 I’ll sell for $300 plus shipping.
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