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4.6 crawler build - low end torque....

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TJryder
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Posts: 14
Joined: July 29th, 2018, 1:03 pm
Stroker Displacement: 4.6
Vehicle Year: 2000
Vehicle Make: Jeep
Vehicle Model: TJ

4.6 crawler build - low end torque....

Post by TJryder » July 29th, 2018, 1:26 pm

So, I have been following the forum for a while and now started collecting the parts for my build.

I will have a lot of questions as i am on the old continent and everything will have to be shipped over and taxed with something like +25% on the purchase price...

I have a really nicely running 2000 TJ with famous 0331 head casting. No problems so far, with 136.000km on the clock, but some day....

I am about to collect junkyard 1994 engine from WJ in next days - HO version.

I have read that 1994 and 2000 blocks have some differences for brackets and mounts. How much problems can I expect?

Than I was looking at Cleggs kit and it seems nice to me - stage 1.

Alternatively - sourcing parts in different sets and stores. Minly I would focus on RockAuto as it offers most reasonable shipping apart from others (Cleggs, Summit)

THe core component is of course the crank.

Rock offers two options, both reman, 430$ price tag, Advertised as:
ENGINETECH 251700 Includes Connecting Rod Bearings & Crankshaft Main Bearings; Reman Info
w/ centering ring on back of flywheel flange. 2-1/2" neck length. Engines w/ "V" type belts. Includes bearings. Forging # RD67703, 3214723, 3235477. Check for proper physical match before installation. (Only 2 Remaining)

On the other hand - Cleggs balanced kit is 1.150$ (core charge for rods, balancing, molly rings, assembly lube). By your experiance - would you recommend going selected kit?

So gor start - any help on oppinion on block selection (1994 or source a 2000 block (really hard for me over here...) would be great.

Thank you Jeepers ;-)
O I I I I I I O

TJryder
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Re: 4.6 crawler build - low end torque....

Post by TJryder » July 30th, 2018, 1:36 pm

Just got feedback from a guy that pulled a nicely preserved 1995 engine from a WJ.

In our county gas is expensive, and we only get to get 95+ grade :-) 98 is usual, also 100 available on daily basis :-) So mostly 4.0 were not economical to run and more or less low mileage on them.

Any one with good experience with RockAuto reman cranks?
O I I I I I I O

TJryder
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Posts: 14
Joined: July 29th, 2018, 1:03 pm
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Vehicle Model: TJ

Re: 4.6 crawler build - low end torque....

Post by TJryder » July 30th, 2018, 2:24 pm

This 12 cw crank good for my build?

https://www.rockauto.com/en/catalog/jee ... shaft,5292

BR M
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Russ Pottenger
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Posts: 655
Joined: August 15th, 2009, 1:27 am
Stroker Displacement: 4.7
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Vehicle Model: Cherokee

Re: 4.6 crawler build - low end torque....

Post by Russ Pottenger » August 9th, 2018, 12:02 pm

Hi TJryder,

I'm a warehouse distributor for Scat.
$430.00 will get you a new 3.895 crankshaft with the correct 2.000 snout rather than the more common 2.500 length snout found on the earlier 4.2/258 crankshafts that will require an additional expense of a spacer.

I also carry a full line of custom 4032 forged pistons along with a economically priced forged connecting rod that is fully profiled and bushed allowing for a full floating wrist pin.
If you purchase my connecting rods with my Pistons I'll upgrade the wrist pin to a much lighter and stronger .927 Chevy pin at no additional cost.

Feel free to shoot me a call and I'd be happy to forward you information on this and the rest of my products and services.

Thanks,
Russ Pottenger
Bishop-Buehl Racing Engines
531 N. Lyall Avenue
West Covina, California 91790
Work (626) 967-1000
Cell (626) 673-2203
Email/PayPal: RussBnBracing@yahoo.com

6sense
Posts: 5
Joined: August 3rd, 2018, 4:50 am
Stroker Displacement: 4.0
Vehicle Year: 1999
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Vehicle Model: Grand cher

Re: 4.6 crawler build - low end torque....

Post by 6sense » August 11th, 2018, 4:33 am

Just wanted to let you know 1995 is a zj a 99-04 is a wj there are some difference in the block from each other.

TJryder
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Posts: 14
Joined: July 29th, 2018, 1:03 pm
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Re: 4.6 crawler build - low end torque....

Post by TJryder » August 12th, 2018, 1:32 pm

6sense wrote:
August 11th, 2018, 4:33 am
Just wanted to let you know 1995 is a zj a 99-04 is a wj there are some difference in the block from each other.
Hi!

Yes , I learned that later.... From Graz, Austria...

I am now stripping / cleaning the donor engine.

I am running into a dilemma now...

Basically I wanted to build the engine and do an "over the winter" swap, but would not like to run into major fab work while the engine would be dangling on a hoist....

Small brackets and similar mods are not an issue for me.

BR M
Last edited by TJryder on August 12th, 2018, 1:45 pm, edited 1 time in total.
O I I I I I I O

TJryder
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Posts: 14
Joined: July 29th, 2018, 1:03 pm
Stroker Displacement: 4.6
Vehicle Year: 2000
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Vehicle Model: TJ

Re: 4.6 crawler build - low end torque....

Post by TJryder » August 12th, 2018, 1:36 pm

Russ Pottenger wrote:
August 9th, 2018, 12:02 pm
Hi TJryder,

I'm a warehouse distributor for Scat.
$430.00 will get you a new 3.895 crankshaft with the correct 2.000 snout rather than the more common 2.500 length snout found on the earlier 4.2/258 crankshafts that will require an additional expense of a spacer.

I also carry a full line of custom 4032 forged pistons along with a economically priced forged connecting rod that is fully profiled and bushed allowing for a full floating wrist pin.
If you purchase my connecting rods with my Pistons I'll upgrade the wrist pin to a much lighter and stronger .927 Chevy pin at no additional cost.

Feel free to shoot me a call and I'd be happy to forward you information on this and the rest of my products and services.

Thanks,
Russ Pottenger
Bishop-Buehl Racing Engines
531 N. Lyall Avenue
West Covina, California 91790
Work (626) 967-1000
Cell (626) 673-2203
Email/PayPal: RussBnBracing@yahoo.com
Hi Ross,

Thank you for your offer. FOr sure I will contact you.

I just run in to thinking to just swap the head and cam. For a start.

Maybe the full stroker when I get my hands on a same casting number block.

By the way - Banks headers - are they really torque enhancers?
https://shop.bankspower.com/i-788-51306 ... rokee.html

BR M
O I I I I I I O

TJryder
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Posts: 14
Joined: July 29th, 2018, 1:03 pm
Stroker Displacement: 4.6
Vehicle Year: 2000
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Vehicle Model: TJ

Re: 4.6 crawler build - low end torque....

Post by TJryder » August 12th, 2018, 2:17 pm

Russ Pottenger wrote:
August 9th, 2018, 12:02 pm
$430.00 will get you a new 3.895 crankshaft with the correct 2.000 snout rather than the more common 2.500 length snout found on the earlier 4.2/258 crankshafts that will require an additional expense of a spacer.
Hi Ross,

Just went to RockA and placed a 78 Cj7 crank in my cart:
426$ price
544$ delivered (with tax and import duty of 22%)

Sounds almost like free shipping to me in the end :huh: (20$ shippong cost)

But for sure - new crank with matching bearing beat that all day long...

BR M
O I I I I I I O

TJryder
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Posts: 14
Joined: July 29th, 2018, 1:03 pm
Stroker Displacement: 4.6
Vehicle Year: 2000
Vehicle Make: Jeep
Vehicle Model: TJ

Re: 4.6 crawler build - low end torque....

Post by TJryder » October 12th, 2018, 1:26 pm

Slowly but surely:
- 2x 7120 head - will use a better one, one will replace the dodgy 0331 on non stroked engine..
- 56 TBI from ebay
- 12 hole injectors
- some material for regear (31's and will go to 4.10)
- still looking for a busted 4.0 1999+ engine or block locally. Anyone ? Northern Italy, Austria, Hungary, Croatia?
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