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i took my radiator to Hart Heat in houston and built a 4 core radiator w/o my stock tanks for $230. they can make it as big as you want or as big as they can. it keeps my stroker cool in 100+ ambient w/ the A/C on in traffic (200°F an down) so my suggestion is find an industrial radiator...

generally xjs get away with allot due to the stabalizing effect of leaf packs (zjs and wjs have it worse) generally they have a pretty bad geometry setup to get death wobble on an xj with a mild lift. go with RE or a kit and you will be fine its the parted kits that must be researched...

we did a good mod on my brother 93 zj we got a hayden extreme duty clutch that just did cut the mustard down here w/ 100+ ambient in traffic situations so we took the thermal control and indexed it to its maximum effect setting and worlds difference. he can now run the A/C in traffic and still...

"Do you know the year of 258? The later YJ blocks typically fit the 4.0L heads with no problems (the deck surface is wider). Is the 90' an early Renix or late OBDI HO injection? Both will work on the 258 block, but some 258 blocks need you to pick a bolt hole for the Renix knock sensor (again...

well there was also another post/thread about this exact question perhaps they hope the head gasket will seal off the unwanted holes. we got rid of those engines a while back other wise i would just pop out there and look again for ya. I think the thread was in the performance area

pop open the distributor like 99% chance you got some condensation or moisture in it that exactly what they do when it gets wet in there.

definitely plan on the SYE kit my 3.5" rubicon kit settled to a 4" lift after 1.5 yrs (initially it was almost 5") and couldn't be happier

4.2 will bolt to the tranny but the head will not bolt up the water jacket holes will not line up. Just did the stroker conversion on my 90 cherokee and had a 4.2 and a 4.0L sittin in the garage for a bit and we looked b/c we also have a 74 CJ w/ the 4.2.

yeah i hear ya on the stupid laws we have a 74 CJ-5 that failed inspection due to no warm air riser... Soooo we went to the local junk yard and grabbed an aircleaner that fit w/ a warm air rise built into it and ploped it on top of the 4 barrel holley and installed it with the warm air riser...

if you get the choice do a 96 or newer block we did research on the blocks and with 96 and newer it has a dowel in the head to help hold the head in place maybe not much but it can't hurt to help keep that head gasket alive. Also the 96 and up is about 15 lbs heavier due to thicker webbing...

i'd be careful goin over 3.5 your talkin a new drive shaft potentially i have a np242 TC and the RE 3.5 super flex kit and the rear drive shaft is so short it is nearly bottoming out (~2-3") and that is the driveshaft knuckles bottoming out. That is kind close for my comfort. Love the kit...

true i guess i left that out thanks for catchin that

yeah same thoughts do a compression check and as for the debree you had better hope none. Sad to hear your havin issues that sux hardcore.

why bother the spacer were originally made for carbs to swirl the air after the carb to better atomize the fuel just dumped there. putting one on efi is completely unneccesary and often will result in a drop in performance b/c that swirl slows the speed of the aircharge thus lowering the CFM the...

I built up my 4.7L stroker last summer and currently have 14k miles on it. What were your break-in procedures? Does it smoke on startup? Or just the described times? When does it smoke?