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74 Scout ii 4.0 to amc 727

Last post by RoadVanguard « September 15th, 2024, 12:08 pm
Replies: 1
by 326Firefighter » April 27th, 2024, 7:51 am

1 Replies

6665 Views

Last post by RoadVanguard
September 15th, 2024, 12:08 pm
TJ BLOCK Interchange

Last post by 2grimjim « May 12th, 2024, 10:33 am
Replies: 3
by Cannonball » January 18th, 2017, 8:13 pm

3 Replies

30875 Views

Last post by 2grimjim
May 12th, 2024, 10:33 am
NP242 input shaft 21 to 23 spline

Last post by TJryder « February 22nd, 2024, 3:23 am
Replies: 1
by TJryder » February 21st, 2024, 5:45 am

1 Replies

4985 Views

Last post by TJryder
February 22nd, 2024, 3:23 am
Factory balancer mount CPS???

Last post by HowieH « January 3rd, 2024, 5:17 pm
Replies: 3
by farna » November 3rd, 2012, 10:43 am

3 Replies

6867 Views

Last post by HowieH
January 3rd, 2024, 5:17 pm
4.6 Stroker Cam selection for CJ-8

Last post by Russ Pottenger « December 6th, 2023, 1:26 pm
Replies: 5
by Crockodotsky » February 16th, 2022, 4:37 pm

5 Replies

8568 Views

Last post by Russ Pottenger
December 6th, 2023, 1:26 pm
4.0 head on 4.2 short block intake and carb options

Last post by H3lping « October 26th, 2023, 7:45 am
Replies: 2
by H3lping » October 24th, 2023, 1:26 pm

2 Replies

5961 Views

Last post by H3lping
October 26th, 2023, 7:45 am
4.0 Head work and cam questions for a 4.2

Last post by amcinstaller « October 18th, 2023, 11:14 am
Replies: 5
by H3lping » October 13th, 2023, 12:36 pm

5 Replies

6391 Views

Last post by amcinstaller
October 18th, 2023, 11:14 am
Choice's Choice's

Last post by cstephens85 « August 16th, 2022, 9:22 am
Replies: 1
by lquince » May 4th, 2022, 12:55 am

1 Replies

7763 Views

Last post by cstephens85
August 16th, 2022, 9:22 am
3727 crank build possibilities

Last post by Randy Bobandi « July 18th, 2022, 6:45 pm
Replies: 1
by Donerlord719 » July 17th, 2022, 2:55 pm

1 Replies

6072 Views

Last post by Randy Bobandi
July 18th, 2022, 6:45 pm
4.0 head and EFI on a 4.2 block

Last post by Jeep-Power « July 7th, 2022, 3:29 am
Replies: 187
by Jeep-Power » February 13th, 2008, 8:05 pm
1

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9

10

11

12

13
187 Replies

420513 Views

Last post by Jeep-Power
July 7th, 2022, 3:29 am
Stroke a 4.0L or Fuel Inject a 4.2L

Last post by GreenYJ « May 23rd, 2022, 7:30 pm
Replies: 3
by jfriesen » February 16th, 2022, 11:20 am

3 Replies

6837 Views

Last post by GreenYJ
May 23rd, 2022, 7:30 pm
4.0 swap running issues

Last post by amcinstaller « April 10th, 2022, 2:37 pm

by amcinstaller » April 10th, 2022, 2:37 pm

0 Replies

5683 Views

Last post by amcinstaller
April 10th, 2022, 2:37 pm
Mopar efi v belt harmonic balancer on a 4.2 long snout crank will it fit a 1991 4.0

Last post by IH 392 « March 3rd, 2022, 10:24 pm
Replies: 1
by BillyC » March 1st, 2022, 2:00 pm

1 Replies

6095 Views

Last post by IH 392
March 3rd, 2022, 10:24 pm
CJ7 stroker install, motor mounts don't seem to fit

Last post by jeeppoor « January 28th, 2022, 9:11 am
Replies: 1
by Buds Garage » January 22nd, 2022, 11:56 am

1 Replies

6054 Views

Last post by jeeppoor
January 28th, 2022, 9:11 am
4.0 w/ Fuel Pump On Rail - Primer Pump?

Last post by Neuner « October 25th, 2021, 12:09 pm

by Neuner » October 25th, 2021, 12:09 pm

0 Replies

6094 Views

Last post by Neuner
October 25th, 2021, 12:09 pm
4.0 with 4.2 crank

Last post by 275/350 I-6 « September 17th, 2021, 7:19 am
Replies: 1
by Billy » September 7th, 2021, 4:14 pm

1 Replies

7254 Views

Last post by 275/350 I-6
September 17th, 2021, 7:19 am
4L Bell Housing Bolt Patterns

Last post by IH 392 « August 23rd, 2021, 8:54 pm
Replies: 2
by Randy Bobandi » December 22nd, 2020, 9:43 am

2 Replies

11129 Views

Last post by IH 392
August 23rd, 2021, 8:54 pm
4.2 harmonic balancer

Last post by Azhunter « August 18th, 2021, 5:32 pm
Replies: 4
by Shrek » June 18th, 2021, 8:41 am

4 Replies

8566 Views

Last post by Azhunter
August 18th, 2021, 5:32 pm
Minimal Wiring Project

Last post by rlinares40 « June 18th, 2021, 10:02 am
Replies: 9
by rlinares40 » January 16th, 2021, 5:52 pm

9 Replies

11391 Views

Last post by rlinares40
June 18th, 2021, 10:02 am
jeep cj 258 to 4.0 wiring harness

Last post by rlinares40 « June 18th, 2021, 9:56 am
Replies: 1
by jepn98 » May 9th, 2021, 4:52 pm

1 Replies

6799 Views

Last post by rlinares40
June 18th, 2021, 9:56 am
0331 head to... what?

Last post by Russ Pottenger « April 10th, 2021, 1:25 pm
Replies: 2
by derf » January 6th, 2021, 12:05 pm

2 Replies

9486 Views

Last post by Russ Pottenger
April 10th, 2021, 1:25 pm
1979 4.2L 258 Upgrade options?

Last post by bnelson « January 20th, 2021, 8:08 am
Replies: 5
by kegwalker » January 14th, 2021, 5:54 pm

5 Replies

11610 Views

Last post by bnelson
January 20th, 2021, 8:08 am
Part Interchangeability Between a 1990 4.2 and 1991 4.0

Last post by Sailboy42 « January 11th, 2021, 7:35 am
Replies: 2
by Sailboy42 » December 28th, 2020, 11:35 am

2 Replies

10367 Views

Last post by Sailboy42
January 11th, 2021, 7:35 am
4.2 Intake on a 4.0 longblock?

Last post by Jgnobles « October 12th, 2020, 2:42 pm
Replies: 8
by crcletrack » October 24th, 2014, 7:01 am

8 Replies

48304 Views

Last post by Jgnobles
October 12th, 2020, 2:42 pm
4.0 to 4.5 question

Last post by Sailboy42 « August 18th, 2020, 9:29 am
Replies: 1
by Blrmkr1 » May 23rd, 2019, 12:12 pm

1 Replies

31731 Views

Last post by Sailboy42
August 18th, 2020, 9:29 am
Pilot bearing for 258 crank matched up to 98 AX-15?

Last post by Xtultegra « July 9th, 2020, 12:11 am
Replies: 2
by Sharnick » June 4th, 2018, 8:45 pm

2 Replies

28975 Views

Last post by Xtultegra
July 9th, 2020, 12:11 am
4.7 stroker in zj with 42re flexplate issues

Last post by 98zjstroker « May 10th, 2020, 3:33 pm
Replies: 1
by 98zjstroker » May 10th, 2020, 8:40 am

1 Replies

24749 Views

Last post by 98zjstroker
May 10th, 2020, 3:33 pm
Rod question

Last post by Russ Pottenger « April 27th, 2020, 11:03 am
Replies: 1
by Macfly » March 25th, 2020, 12:21 am

1 Replies

25405 Views

Last post by Russ Pottenger
April 27th, 2020, 11:03 am
258 to 4.5 swap

Last post by chris1977 « January 30th, 2020, 1:13 am
Replies: 2
by chris1977 » January 29th, 2020, 12:21 am

2 Replies

27360 Views

Last post by chris1977
January 30th, 2020, 1:13 am
XJ and Liberty NP242 Compatibility

Last post by whaleinafishbowl « October 17th, 2019, 9:51 am
Replies: 1
by TJryder » August 16th, 2019, 8:44 am

1 Replies

27902 Views

Last post by whaleinafishbowl
October 17th, 2019, 9:51 am
Jeep WJ 1994 into XJ 1991

Last post by astjp2 « June 27th, 2019, 5:34 pm
Replies: 1
by TJryder » June 4th, 2019, 12:50 pm

1 Replies

25641 Views

Last post by astjp2
June 27th, 2019, 5:34 pm
4.0 in a 1980 Cherokee (258) - question from Italy

Last post by yuza « June 11th, 2019, 12:47 am
Replies: 1
by yuza » June 4th, 2019, 5:45 am

1 Replies

25963 Views

Last post by yuza
June 11th, 2019, 12:47 am
oil filter without bypass for break in

Last post by astjp2 « June 2nd, 2019, 11:27 pm
Replies: 3
by BeRadicle » September 27th, 2018, 8:23 pm

3 Replies

27546 Views

Last post by astjp2
June 2nd, 2019, 11:27 pm
4.0 in cj5 replacing 258

Last post by astjp2 « June 2nd, 2019, 11:22 pm
Replies: 8
by tdagner » April 25th, 2019, 5:44 am

8 Replies

34186 Views

Last post by astjp2
June 2nd, 2019, 11:22 pm
seeking best power direction with inventory

Last post by Russ Pottenger « March 6th, 2019, 8:59 am
Replies: 6
by Rcactech » February 14th, 2017, 5:45 am

6 Replies

33157 Views

Last post by Russ Pottenger
March 6th, 2019, 8:59 am
4.0/4.6 swap in a CJ7

Last post by McSyd « February 17th, 2019, 5:25 pm

by McSyd » February 17th, 2019, 5:25 pm

0 Replies

24858 Views

Last post by McSyd
February 17th, 2019, 5:25 pm
Throttle body bolt pattern compatibillity

Last post by TJryder « November 2nd, 2018, 11:49 pm
Replies: 2
by TJryder » November 2nd, 2018, 1:49 pm

2 Replies

27914 Views

Last post by TJryder
November 2nd, 2018, 11:49 pm
V-Belt Pulley Options for Saginaw PS Pump w/ 3/4" Shaft

Last post by SkylinesSuck « October 12th, 2018, 5:53 pm
Replies: 3
by Knobbler » September 30th, 2018, 12:02 am

3 Replies

28973 Views

Last post by SkylinesSuck
October 12th, 2018, 5:53 pm
2000 water pump an upgrade to 1991-99?

Last post by BeRadicle « August 19th, 2018, 1:20 pm

by BeRadicle » August 19th, 2018, 1:20 pm

0 Replies

24471 Views

Last post by BeRadicle
August 19th, 2018, 1:20 pm
Main differences 4.0 pre 1999 and pst 2000 block

Last post by TJryder « August 3rd, 2018, 12:26 pm
Replies: 1
by TJryder » July 30th, 2018, 1:30 pm

1 Replies

25940 Views

Last post by TJryder
August 3rd, 2018, 12:26 pm
T176 clutch depth change with stroker swap?

Last post by Turbos10 « June 14th, 2018, 4:27 pm

by Turbos10 » June 14th, 2018, 4:27 pm

0 Replies

25283 Views

Last post by Turbos10
June 14th, 2018, 4:27 pm
can I put my 2000 WJ 4.6(stroked), into a 98 TJ

Last post by akadeutsch « June 10th, 2018, 8:17 am

by akadeutsch » June 10th, 2018, 8:17 am

0 Replies

25115 Views

Last post by akadeutsch
June 10th, 2018, 8:17 am
Can a block bored 30 over still be machined and used for a stroker?

Last post by Russ Pottenger « May 31st, 2018, 8:23 am
Replies: 4
by CJ-8_Jim » June 8th, 2017, 7:14 pm

4 Replies

30207 Views

Last post by Russ Pottenger
May 31st, 2018, 8:23 am
4.7 throttle body on a 4.0 intake

Last post by Russ Pottenger « May 31st, 2018, 8:14 am
Replies: 1
by Moneypit » June 19th, 2017, 12:44 pm

1 Replies

26681 Views

Last post by Russ Pottenger
May 31st, 2018, 8:14 am
Is this a 258?

Last post by Russ Pottenger « May 31st, 2018, 8:08 am
Replies: 8
by dan10101 » July 5th, 2017, 5:17 pm

8 Replies

33796 Views

Last post by Russ Pottenger
May 31st, 2018, 8:08 am
de-stroking the 258

Last post by IH 392 « March 31st, 2018, 11:28 am
Replies: 3
by akadeutsch » March 30th, 2018, 7:32 am

3 Replies

28664 Views

Last post by IH 392
March 31st, 2018, 11:28 am
Identifying 4.2 crankshaft

Last post by Russ Pottenger « March 8th, 2018, 12:18 pm
Replies: 8
by Car Enthusiast » November 16th, 2017, 6:19 am

8 Replies

35958 Views

Last post by Russ Pottenger
March 8th, 2018, 12:18 pm
4.2 with 4.0l head swapped into a 92 Jeep help!

Last post by wrangler92 « February 20th, 2018, 10:21 pm

by wrangler92 » February 20th, 2018, 10:21 pm

0 Replies

25610 Views

Last post by wrangler92
February 20th, 2018, 10:21 pm
Pinging 4.0 with Hesco Harmonic CPS

Last post by SkylinesSuck « February 13th, 2018, 6:53 am
Replies: 7
by Neuner » February 7th, 2018, 12:20 pm

7 Replies

33146 Views

Last post by SkylinesSuck
February 13th, 2018, 6:53 am
Aw4 transmission

Last post by DaemonForce « October 31st, 2017, 2:33 am
Replies: 2
by Buckenstien » October 26th, 2017, 11:09 pm

2 Replies

27776 Views

Last post by DaemonForce
October 31st, 2017, 2:33 am

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