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Unread 04-25-2013, 08:14 AM   #31
super98lsc
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1999 WJ 
 
Join Date: May 2006
Location: Austin, TX
Posts: 1,385
No worries I appreciate you guys looking out this is my first amc v8. Personally I'm not a fan of performer intakes. always gained a lot of power with the rpm models, the performer is akin to a stock factory alumimum 4 barrel intake. Least in the GM world.

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06-Corvette z51-6spd,b&b,K&N low miles.
77-Corvette Stingray 496 BBC/TH400 built 667hp+
===================================
00 WJ 4x4, 4.7 stroker, turbocharged,..lots more..
01 WJ 4x2 4.7v8 Limited (needs valve job)
90 Grand Wagoneer 401 Edelbrock Heads, Lunati .510/.527 FT Cam, Edelbrock RPM Air Gap, Holley HP 750, Thorley Headers, HEI, Electric Fan w Digital controller,4" lift 31x10.50 Goodyear Duratrac's on Pro-Comp Wheels,new interior, seats,seals,Alpine and JL full system, Remote HEI, Clifford 2 way with remote start,windows,tailgate.
96 Cherokee Country 4dr/2x2 White/Tan 3" Lift Sahara 18" Wheels 32.5"'s 99up head and intake- for sale soon!
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Unread 04-25-2013, 09:41 AM   #32
revelc
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Quote:
Originally Posted by super98lsc
No worries I appreciate you guys looking out this is my first amc v8. Personally I'm not a fan of performer intakes. always gained a lot of power with the rpm models, the performer is akin to a stock factory alumimum 4 barrel intake. Least in the GM world.
Word.
Will you be running a stall converter?
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Wag Rebuilt 360, 260H, 727, Locked 44, AMC 20, 208, 31" M/T's, 4" Rustys, 2.5" Duals. SOON:SOA SF, 496, T400, Doubler, D60's, 37" M/T's <-TOY
Cherokee Rebuilt 360, 2" Duals, mostly stock. SOON: Hot Street 401, 4'' Rustys, 33" BFG A/T's maybe a T-case to get rid of Q-Track <-TOW RIG
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Unread 04-25-2013, 10:32 AM   #33
super98lsc
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1999 WJ 
 
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At some point but likely ill wait see how it is then just swap in a 4l80 and controller. Mabye a 700r4 if I can be convinced it can live. Lower 1st will give much better off line, traffic, plus od will allow for a 4.11 rear and still be highway friendly. 2400@75 w my 31". Goal is to have this engine happy from 1500 to 6000 w injection. The injection will restore enough bottom end where.i wont miss the tq lost to the larger cam and intake. Coil on plug controlled spark by the ms3 should allow me to tune it optimally. My wj is a 4.7 with ported head and big 8mm ls 2.02 valves and a solid lifter lunati with .524/.548 lift and idles at 700 all day in traffic w air on and stock converter.
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06-Corvette z51-6spd,b&b,K&N low miles.
77-Corvette Stingray 496 BBC/TH400 built 667hp+
===================================
00 WJ 4x4, 4.7 stroker, turbocharged,..lots more..
01 WJ 4x2 4.7v8 Limited (needs valve job)
90 Grand Wagoneer 401 Edelbrock Heads, Lunati .510/.527 FT Cam, Edelbrock RPM Air Gap, Holley HP 750, Thorley Headers, HEI, Electric Fan w Digital controller,4" lift 31x10.50 Goodyear Duratrac's on Pro-Comp Wheels,new interior, seats,seals,Alpine and JL full system, Remote HEI, Clifford 2 way with remote start,windows,tailgate.
96 Cherokee Country 4dr/2x2 White/Tan 3" Lift Sahara 18" Wheels 32.5"'s 99up head and intake- for sale soon!
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Unread 04-25-2013, 12:11 PM   #34
revelc
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Forgive me. But if your going OD with a Chevy tranny and paying for all that fuel injection, why not put an LS engine and tranny in? You can find a wrecked Chevrolet with a 6.0 and have a solid power plant that works together with the computer. Just my .02
I may not have done my swap yet but it does make sense.
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Wag Rebuilt 360, 260H, 727, Locked 44, AMC 20, 208, 31" M/T's, 4" Rustys, 2.5" Duals. SOON:SOA SF, 496, T400, Doubler, D60's, 37" M/T's <-TOY
Cherokee Rebuilt 360, 2" Duals, mostly stock. SOON: Hot Street 401, 4'' Rustys, 33" BFG A/T's maybe a T-case to get rid of Q-Track <-TOW RIG
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Unread 04-25-2013, 12:47 PM   #35
super98lsc
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Incremental, sick of ls swaps, and I'm dumb rofl
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www.mangierisrc.com
06-Corvette z51-6spd,b&b,K&N low miles.
77-Corvette Stingray 496 BBC/TH400 built 667hp+
===================================
00 WJ 4x4, 4.7 stroker, turbocharged,..lots more..
01 WJ 4x2 4.7v8 Limited (needs valve job)
90 Grand Wagoneer 401 Edelbrock Heads, Lunati .510/.527 FT Cam, Edelbrock RPM Air Gap, Holley HP 750, Thorley Headers, HEI, Electric Fan w Digital controller,4" lift 31x10.50 Goodyear Duratrac's on Pro-Comp Wheels,new interior, seats,seals,Alpine and JL full system, Remote HEI, Clifford 2 way with remote start,windows,tailgate.
96 Cherokee Country 4dr/2x2 White/Tan 3" Lift Sahara 18" Wheels 32.5"'s 99up head and intake- for sale soon!
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Unread 04-25-2013, 01:35 PM   #36
revelc
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Quote:
Originally Posted by super98lsc
Incremental, sick of ls swaps, and I'm dumb rofl
Me thinks.... Turbo build. It would be a pretty wild ride.

I like what your doing though. I respect you guys for staying true to the AMC heartbeat.
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Wag Rebuilt 360, 260H, 727, Locked 44, AMC 20, 208, 31" M/T's, 4" Rustys, 2.5" Duals. SOON:SOA SF, 496, T400, Doubler, D60's, 37" M/T's <-TOY
Cherokee Rebuilt 360, 2" Duals, mostly stock. SOON: Hot Street 401, 4'' Rustys, 33" BFG A/T's maybe a T-case to get rid of Q-Track <-TOW RIG
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Unread 04-25-2013, 02:07 PM   #37
super98lsc
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Honestly my amc tolerance is running thin, my turbo 4.7 has been a nightmare. 1 lost to cam failure, that was titan engines fault for having my open pressures near 400 psi for a mild comp cam.. The second.round was faulty Melling hv.pump, lost a rod bearing before u could even kill the motor. Its back at machine shop for round 3. Then we can finally mount and tune the turbo. But ya a turbo 401 with a mild 6psi and quick spool is what I would want. desiel like tq
__________________
www.mangierisrc.com
06-Corvette z51-6spd,b&b,K&N low miles.
77-Corvette Stingray 496 BBC/TH400 built 667hp+
===================================
00 WJ 4x4, 4.7 stroker, turbocharged,..lots more..
01 WJ 4x2 4.7v8 Limited (needs valve job)
90 Grand Wagoneer 401 Edelbrock Heads, Lunati .510/.527 FT Cam, Edelbrock RPM Air Gap, Holley HP 750, Thorley Headers, HEI, Electric Fan w Digital controller,4" lift 31x10.50 Goodyear Duratrac's on Pro-Comp Wheels,new interior, seats,seals,Alpine and JL full system, Remote HEI, Clifford 2 way with remote start,windows,tailgate.
96 Cherokee Country 4dr/2x2 White/Tan 3" Lift Sahara 18" Wheels 32.5"'s 99up head and intake- for sale soon!
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Unread 04-25-2013, 05:16 PM   #38
RockRollin
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4.0 is not AMC, but yea the thought of a Hemi swap has many times run through my mind. No Generic Motors for me, I do have a 3500 Silverado with Duramax, but it cost folks dearly to get me behind the wheel lol. I was a hardcore Chevy Man till 1992, that's when I went to my first Mopar national, been Mopar since. Well Mopar, Jeep anyway.
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Unread 04-25-2013, 07:16 PM   #39
revelc
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Quote:
Originally Posted by super98lsc
Honestly my amc tolerance is running thin, my turbo 4.7 has been a nightmare. 1 lost to cam failure, that was titan engines fault for having my open pressures near 400 psi for a mild comp cam.. The second.round was faulty Melling hv.pump, lost a rod bearing before u could even kill the motor. Its back at machine shop for round 3. Then we can finally mount and tune the turbo. But ya a turbo 401 with a mild 6psi and quick spool is what I would want. desiel like tq
Me too. I know things happen but I feel like I've had bad luck too.

I would stay AMC if I could put a turbo on and run the piss out of it. But running the valley oil line, paying around $400 for a oil pan to bring it up to par with other stock set ups, and the outright cost of running quality components mixed with my mentors offer to convert it and cover the costs of the swap I am leaning way off that way.

Hijack warning. I am convincing him to let me get a Dana 60 front and a one ton under one of his many unfinished projects.

So I'll have a warmed over 454, T400, either NP205 or NP208 and a spring over swap on one tons for around $2,500. Not too shabby

Considering the forged pistons and K1 rods, balancing, Edelbrock RPM, Milidon or Canton oil pan, new cam lifters and springs, and other odds and ends I'd need to make the big block torque I'll get out of the 454 with a small cam, long tubes, and intake. It just makes dollars and cents.
Not to mention the 1/2 ton to 1 ton capabilities


(Rant over)
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Wag Rebuilt 360, 260H, 727, Locked 44, AMC 20, 208, 31" M/T's, 4" Rustys, 2.5" Duals. SOON:SOA SF, 496, T400, Doubler, D60's, 37" M/T's <-TOY
Cherokee Rebuilt 360, 2" Duals, mostly stock. SOON: Hot Street 401, 4'' Rustys, 33" BFG A/T's maybe a T-case to get rid of Q-Track <-TOW RIG
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Unread 04-25-2013, 09:03 PM   #40
super98lsc
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what ended up falling in your motor? Or do not know yet?
__________________
www.mangierisrc.com
06-Corvette z51-6spd,b&b,K&N low miles.
77-Corvette Stingray 496 BBC/TH400 built 667hp+
===================================
00 WJ 4x4, 4.7 stroker, turbocharged,..lots more..
01 WJ 4x2 4.7v8 Limited (needs valve job)
90 Grand Wagoneer 401 Edelbrock Heads, Lunati .510/.527 FT Cam, Edelbrock RPM Air Gap, Holley HP 750, Thorley Headers, HEI, Electric Fan w Digital controller,4" lift 31x10.50 Goodyear Duratrac's on Pro-Comp Wheels,new interior, seats,seals,Alpine and JL full system, Remote HEI, Clifford 2 way with remote start,windows,tailgate.
96 Cherokee Country 4dr/2x2 White/Tan 3" Lift Sahara 18" Wheels 32.5"'s 99up head and intake- for sale soon!
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Unread 04-27-2013, 11:38 AM   #41
revelc
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Quote:
Originally Posted by super98lsc
what ended up falling in your motor? Or do not know yet?
Still waiting on the 360 to get back from the machine shop before I pull it out and tear it down.
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Wag Rebuilt 360, 260H, 727, Locked 44, AMC 20, 208, 31" M/T's, 4" Rustys, 2.5" Duals. SOON:SOA SF, 496, T400, Doubler, D60's, 37" M/T's <-TOY
Cherokee Rebuilt 360, 2" Duals, mostly stock. SOON: Hot Street 401, 4'' Rustys, 33" BFG A/T's maybe a T-case to get rid of Q-Track <-TOW RIG
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Unread 04-27-2013, 07:48 PM   #42
super98lsc
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Got ya so not driving it right now? What did they or you find wrong with the 360, you had mentioned it had the same nasty tap that mine has cold. Figured those 401 being forged had fairly strong crank, rods,pistons. Is there a need to go with k1 rods and custom forged slugs? Curious because figured later I would build a nicely blueprinted 401 short block and just swap it. 41+ cubes in a 4400lb barn going down the road should make a world of difference in torque. was your 401 bored, honed for larger pistons?
__________________
www.mangierisrc.com
06-Corvette z51-6spd,b&b,K&N low miles.
77-Corvette Stingray 496 BBC/TH400 built 667hp+
===================================
00 WJ 4x4, 4.7 stroker, turbocharged,..lots more..
01 WJ 4x2 4.7v8 Limited (needs valve job)
90 Grand Wagoneer 401 Edelbrock Heads, Lunati .510/.527 FT Cam, Edelbrock RPM Air Gap, Holley HP 750, Thorley Headers, HEI, Electric Fan w Digital controller,4" lift 31x10.50 Goodyear Duratrac's on Pro-Comp Wheels,new interior, seats,seals,Alpine and JL full system, Remote HEI, Clifford 2 way with remote start,windows,tailgate.
96 Cherokee Country 4dr/2x2 White/Tan 3" Lift Sahara 18" Wheels 32.5"'s 99up head and intake- for sale soon!
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Unread 04-27-2013, 08:52 PM   #43
revelc
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Quote:
Originally Posted by super98lsc
Got ya so not driving it right now? What did they or you find wrong with the 360, you had mentioned it had the same nasty tap that mine has cold. Figured those 401 being forged had fairly strong crank, rods,pistons. Is there a need to go with k1 rods and custom forged slugs? Curious because figured later I would build a nicely blueprinted 401 short block and just swap it. 41+ cubes in a 4400lb barn going down the road should make a world of difference in torque. was your 401 bored, honed for larger pistons?
My 360 had some loose carbon get itself wedged itself into a valve. It gave it a knocking sound and I assumed it was the typical rod bearing. I still need to rebuild the heads and assemble it. The stock bore looks great so I will hone and re-ring it.

As far as the tapping some AMC guys said try swapping a known good pair of bridged rockers on each hole to check for a bad set. They can cause the sound we hate.

The 401 is great as a power plant.
A seasoned AMC guy I met up with at the Lufkin AMC meet have me a sharp piece of advice. Build your engine to be capable of 1,000 RPM over your intended use. That will make for a long lasting engine that can be accidentally downshifted, held in gear too long, or revved up by an idiot friend who "borrows it to move something" and sees some hot chicks at an intersection.

Consider it pre-marital counseling for your engine. It won't guarantee a long lasting relationship. But it can sure help solve some problems right off the bat. And you'll both be much happier with each other along the way.


I wanted to run 1,000-5,500 RPM. That means 6,500 proofing it. 5,200 is the max I would run the stock oiling system. So a Milidon, or Canton pan would work. Maybe a valley line oil mod if the engine is already out and going to get machined.

Second. Nobody should spin the stock or any cast plugs over 6,000 RPM. So forged plugs would be in order.

Third the stock forged crank and rods are stout (390 rods are actually stronger) but they need either reconditioning or replacement for high RPM's and ARP rod bolts. Mains are probably fine unless your running a 600HP Monster.

My 401 was bored .30 over was honed very nicely and made a pleasant amount of torque. It would carry me over any incline or ledge and it never had to pass 2,000RPM . But I have addictive tendencies and remember being a kid in my friends Dad's Vette. He told me to touch the dash and every time I tried he punched it. I was ten and the sensation of being stuck in my seat was amazing. I am still chasing that dragon.
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Wag Rebuilt 360, 260H, 727, Locked 44, AMC 20, 208, 31" M/T's, 4" Rustys, 2.5" Duals. SOON:SOA SF, 496, T400, Doubler, D60's, 37" M/T's <-TOY
Cherokee Rebuilt 360, 2" Duals, mostly stock. SOON: Hot Street 401, 4'' Rustys, 33" BFG A/T's maybe a T-case to get rid of Q-Track <-TOW RIG
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