4.6L "Modified Poor man's" stroker

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SilverXJ
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Stroker Displacement: 4.6L
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Vehicle Model: Cherokee
Location: Radford, Va

Re: 4.6L "Modified Poor man's" stroker

Post by SilverXJ »

I'd get a salvage one then have the machine shop go through it. Many of those rebuilding houses don't do a great job.
Radioactivexj
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Re: 4.6L "Modified Poor man's" stroker

Post by Radioactivexj »

We ended up getting another head which he is working on now. But he told us with this being a stroker that he couldn't source all the parts from his supplier :huh: . So were gonna start ordering parts today. He said one thing he didn't like was that we planned to get the crank from O'Reilly's and when he called them they said that they only had reman'd ones in stock. He recommended us getting a Scat crank so we wouldn't have to worry about tolerances being off so I suppose i'll have to accept the $400 price tag. But i'll definatly be stalking Ebay for a while today.
Radioactivexj
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Re: 4.6L "Modified Poor man's" stroker

Post by Radioactivexj »

Well in the process of ordering stuff and almost forgot I need to redo my exhaust. I like the idea of running a split header into a true dual exhaust but just looking at headers right now. What kind of configuring would I have to do with the O2 sensors? I saw this pace-setter header and it looks like what I need.Any thoughts?
http://www.summitracing.com/parts/psm-7 ... l/cherokee
Radioactivexj
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Re: 4.6L "Modified Poor man's" stroker

Post by Radioactivexj »

Well after a little bit of research a true dual exhaust isn't what i'm gonna do. Instead i'm going to get an ebay exhaust header, 2.5" walker downpipe, cat, a cheaper muffler(I need to find one that sounds good but isnt $100), then a 90 degree tip going out in front of the passenger tire. That way I can clamp everything up then drive it to my collision repair shop to get welded up when we get to that point.
Radioactivexj
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Stroker Displacement: 4.6L
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Vehicle Model: Cherokee

Re: 4.6L "Modified Poor man's" stroker

Post by Radioactivexj »

It's taken us a while but we finally sourced almost all the parts we'll need. Here's a list in case I haven't thought of something.
Source: Price:
Scat 9000 258 crankshaft 3.895" Ebay $415
Accel 24# injectors 150624 Summit racing $220
ARP connecting rod bolts Summit racing $70
ATP harmonic balancer PB1439N Ebay $45
Brown dog motor mounts Ebay $100
Clevite cam bearings SH549S Ebay $20
Hesco cam bolt washer Hesco $5
Hesco cam bolt, pin, and spring Hesco $15
Melling MC1376 replacement camshaft O'reillys $170
Cloyes double roller timing set Summit racing $150
Crower hydraulic lifters Summit racing $80
Flowkooler high flow water pump 1747 Ebay $110
Brass freeze plugs Ebay $20
Ebay exhaust header Ebay $120
Keith Black IC944 pistons and piston rings .030" over Ebay $630
Clevite main bearing set MS1947P Summit racing $87
Melling M81A oil pump O'reillys $85
Melling pushrods MPR437 O'reillys $40
Replacement Head Machine shop $125
Victor reinz lower gasket set Ebay $45
Victor reinz upper gasket set Ebay $50
Walker downpipe 55277 Summit racing $50
Brad Penn break-in oil Summit racing $50
3 Puralator oil filters L30001 O'reillys $15
Flowmaster muffler O'reillys $95
Timing cover O'reillys $50
Motor oil Valvoline VR1 10w-30 O'reillys $40
Accel super stock spark plug wires 4041R O'reillys $35
Champion spark plugs O'reillys $12


Total:$2,990
I'm sure their will be more but thats all we've thought of as of now. Here soon this stuff hopefully should be ordered.
honkysXJ
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Re: 4.6L "Modified Poor man's" stroker

Post by honkysXJ »

Keith Black IC944 pistons and piston rings .030" over Ebay $630
??? Not sure if that's an estimate but before you spend that kind of money on your pistons (call titan) they don't have the best track record I know but I got my .30 kb ic944 pistons from them about 365$ a few months ago they were very nice on the phone and fast shipping also all pistons were in spec
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Re: 4.6L "Modified Poor man's" stroker

Post by gdl »

I'll second the recommendation to call Titan for the pistons and rings. I bought mine from them recently off their ebay auction. Paid $365 for the pistons shipped plus another $50 for moly rings. They actually have great customer service. I was doing my mockup this week to determine how much to deck the block and was trying to use one of those wavy ring compressors and ended up breaking a top ring. Called them up to see what I was going to have to do to get another one and they ended up pulling one from a partial set in their build shop and sending it to me for the cost of shipping.
Radioactivexj
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Re: 4.6L "Modified Poor man's" stroker

Post by Radioactivexj »

Almost all the parts have been ordered and are on the way. One thing we haven't ordered are injectors. Were trying to avoid spending $200 on just injectors. Are their any that I could grab from a junkyard and freshen up that'll work with my 49 psi fuel rail. Looking at some threads I got pretty confused because some of the advice was just for the 39 psi rail.
Radioactivexj
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Re: 4.6L "Modified Poor man's" stroker

Post by Radioactivexj »

I read somewhere here that the neon 703 injectors will flow at 24# exactly. I could pick up a set of those and put new seals in like i've seen a few members do on here so its a little on the cheaper side.
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SilverXJ
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Re: 4.6L "Modified Poor man's" stroker

Post by SilverXJ »

They will flow right around 24# at 49psi fuel pressure. Careful buying salvage yard injectors as they tend to be clogged or partially clogged.
honkysXJ
I made it to triple digits!
I made it to triple digits!
Posts: 133
Joined: January 6th, 2013, 11:29 am
Stroker Displacement: almost stroked
Vehicle Year: 1997
Vehicle Make: jeep
Vehicle Model: cherokee

Re: 4.6L "Modified Poor man's" stroker

Post by honkysXJ »

I agree with silvers comment on junkyard injectors because you never really know the history or miles on em ect.
But in a pinch or on a budget there are ways to clean the insides of them with some alligator clips on wires and a 12v battery,there's a decent video on YouTube on how to do it I've done it and either got lucky or it worked :huh:
If you do go that route its ALWAYS a good idea to replace o-rings and pintle caps!
Also the 703s are in a lot of Chrysler/dodge cars not only neons!
Radioactivexj
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Stroker Displacement: 4.6L
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Vehicle Model: Cherokee

Re: 4.6L "Modified Poor man's" stroker

Post by Radioactivexj »

I've seen some people selling them flow tested around on other forums so that looks promising unless someone on here sells them. Some stuff came in the mail today. Exhaust manifold, 180* thermostat, harmonic balancer, Brad penn break-in oil, Bosch wires, and a new belt.

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shawnxj
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Re: 4.6L "Modified Poor man's" stroker

Post by shawnxj »

where'd you get that balancer and how much was it?
Radioactivexj
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Re: 4.6L "Modified Poor man's" stroker

Post by Radioactivexj »

It's an ATP harmonic balancer PB1439N and pretty sure we got it off Ebay. Muffler came in today.
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shawnxj
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Re: 4.6L "Modified Poor man's" stroker

Post by shawnxj »

ahh that's just a stock replacement. the packaging fooled me thought you found an aftermarket balancer for the 4.0l
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