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Global Announcement Peter Lechtanski "Worlds Fastest Comanche" 1952-2016

Last post by BrownBetty85 « April 28th, 2017, 6:03 pm
Posted in Forum News
Replies: 3
by Muad'Dib » March 9th, 2016, 8:56 pm » in Forum News

3 Replies

317154 Views

Last post by BrownBetty85
April 28th, 2017, 6:03 pm

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1979 4.2L 258 Upgrade options?

Last post by derf « Today, 11:54 am
Replies: 3
by kegwalker » January 14th, 2021, 5:54 pm

3 Replies

23 Views

Last post by derf
Today, 11:54 am
Minimal Wiring Project

Last post by rlinares40 « January 16th, 2021, 5:52 pm

by rlinares40 » January 16th, 2021, 5:52 pm

0 Replies

12 Views

Last post by rlinares40
January 16th, 2021, 5:52 pm
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

1174 Views

Last post by Sailboy42
January 11th, 2021, 7:35 am
0331 head to... what?

Last post by bleedsblue « January 7th, 2021, 5:34 pm
Replies: 1
by derf » January 6th, 2021, 12:05 pm

1 Replies

41 Views

Last post by bleedsblue
January 7th, 2021, 5:34 pm
4L Bell Housing Bolt Patterns

Last post by bnelson « December 24th, 2020, 8:10 am
Replies: 1
by Randy Bobandi » December 22nd, 2020, 9:43 am

1 Replies

1229 Views

Last post by bnelson
December 24th, 2020, 8:10 am
4.0 head and EFI on a 4.2 block

Last post by ccpanel « December 23rd, 2020, 6:41 pm
Replies: 184
by Jeep-Power » February 13th, 2008, 8:05 pm
1

…

9

10

11

12

13
184 Replies

231831 Views

Last post by ccpanel
December 23rd, 2020, 6:41 pm
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

34655 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

22989 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

19547 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

15948 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

16688 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

18148 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

18800 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

17031 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

17148 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

18310 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

21508 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

22288 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

16370 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

18623 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

19265 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

16299 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

17203 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

16935 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

16785 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

20026 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

17779 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

21909 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

18868 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

22636 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

17043 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

21294 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

18408 Views

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

Last post by omega_rugal « August 20th, 2017, 3:40 pm

by omega_rugal » August 20th, 2017, 3:40 pm

0 Replies

16846 Views

Last post by omega_rugal
August 20th, 2017, 3:40 pm
TJ BLOCK Interchange

Last post by duck454ss « May 17th, 2017, 12:00 pm
Replies: 1
by Cannonball » January 18th, 2017, 8:13 pm

1 Replies

17537 Views

Last post by duck454ss
May 17th, 2017, 12:00 pm
CPS question.

Last post by zlieberman « May 10th, 2017, 2:31 pm

by zlieberman » May 10th, 2017, 2:31 pm

0 Replies

16563 Views

Last post by zlieberman
May 10th, 2017, 2:31 pm
Clifford 6=8 upgrade

Last post by brentwood « April 21st, 2017, 3:18 pm

by brentwood » April 21st, 2017, 3:18 pm

0 Replies

17056 Views

Last post by brentwood
April 21st, 2017, 3:18 pm
4.0L into an 88 YJ

Last post by oklahoma88 « April 11th, 2017, 3:43 pm

by oklahoma88 » April 11th, 2017, 3:43 pm

0 Replies

17032 Views

Last post by oklahoma88
April 11th, 2017, 3:43 pm
Will these Comp cam work without a Comp or modified head?

Last post by kaspbrochill « January 11th, 2017, 8:06 pm
Replies: 2
by kaspbrochill » January 11th, 2017, 8:01 pm

2 Replies

18102 Views

Last post by kaspbrochill
January 11th, 2017, 8:06 pm
4.0 Alternator wiring in my 84 CJ7

Last post by cuban11182 « December 31st, 2016, 11:03 am

by cuban11182 » December 31st, 2016, 11:03 am

0 Replies

16892 Views

Last post by cuban11182
December 31st, 2016, 11:03 am
Starter and flywheel questions

Last post by cuban11182 « December 5th, 2016, 12:05 pm
Replies: 2
by cuban11182 » December 4th, 2016, 4:39 pm

2 Replies

17748 Views

Last post by cuban11182
December 5th, 2016, 12:05 pm
HESCO - Complete bolt-on 4.0 head

Last post by 84cj « November 10th, 2016, 2:19 pm
Replies: 2
by 84cj » November 8th, 2016, 8:36 am

2 Replies

18454 Views

Last post by 84cj
November 10th, 2016, 2:19 pm
Grand Wagoneer Stroker swap...

Last post by stroked'73 « July 14th, 2016, 7:26 pm
Replies: 4
by Catfish » May 7th, 2016, 4:53 pm

4 Replies

19543 Views

Last post by stroked'73
July 14th, 2016, 7:26 pm
Getting real frustrated with this crank...

Last post by DaemonForce « June 29th, 2016, 12:17 am
Replies: 5
by DaemonForce » June 25th, 2016, 8:00 pm

5 Replies

19894 Views

Last post by DaemonForce
June 29th, 2016, 12:17 am
wj block into xj.

Last post by biscuit « June 27th, 2016, 7:50 pm

by biscuit » June 27th, 2016, 7:50 pm

0 Replies

16892 Views

Last post by biscuit
June 27th, 2016, 7:50 pm
Pilot bearing 4.2 crank to NV3550

Last post by NoisyTJ « June 5th, 2016, 2:41 pm

by NoisyTJ » June 5th, 2016, 2:41 pm

0 Replies

16623 Views

Last post by NoisyTJ
June 5th, 2016, 2:41 pm
87 XJ/4.2 Head ??

Last post by jsawduste « May 23rd, 2016, 6:42 am

by jsawduste » May 23rd, 2016, 6:42 am

0 Replies

16564 Views

Last post by jsawduste
May 23rd, 2016, 6:42 am
AX-15 with all wheel drive

Last post by amceaglesx4 « May 20th, 2016, 10:22 am
Replies: 15
by FARMER » February 10th, 2014, 4:08 pm
1

2
15 Replies

31679 Views

Last post by amceaglesx4
May 20th, 2016, 10:22 am
4.2 to 4.0 head swap plus obd2

Last post by Quarterpastgone « May 14th, 2016, 5:38 pm

by Quarterpastgone » May 14th, 2016, 5:38 pm

0 Replies

17063 Views

Last post by Quarterpastgone
May 14th, 2016, 5:38 pm
Electric fuel pump for 84 CJ7 with stroker

Last post by cuban11182 « April 17th, 2016, 7:52 am
Replies: 5
by cuban11182 » April 16th, 2016, 4:49 pm

5 Replies

20435 Views

Last post by cuban11182
April 17th, 2016, 7:52 am

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