Skinny Wallet Mini Stroker
Posted: October 30th, 2014, 9:29 am
First off, Hello to everyone!!!! First post. I have been guest reading the forum for some time now and I am getting parts together for a mini stroker build. I'm not new to engine building, just new to the 4.0.I have a very tired 4.0 and it's time for a rebuild. I have opted for a version of the 4.2 mini stroker due to already having a new set of 4 banger pistons (525AP's) from a prev cherokee parts truck purchase. Here's the plan...
91or 99 4.0 block - i have both
91 H.O. head - with lightly worked exhaust ports
232 crank - 3.5" stroke
525AP30 pistons - 1.580 comp dist 14cc dish (.30 over) only have to buy two!
.043 head gasket
cam???? still thinking on that one.
Deck height should be -.002" (quench of .041")
I'm aware this setup will most likely require premium fuel depending on cam selection. I'm ok with that.
This will be a slow build so don't expect pics/updates every day.
A BIG thanks to all who have posted specs and build info that has brought me to this point!! There is a huge wealth of knowledge here.
91or 99 4.0 block - i have both
91 H.O. head - with lightly worked exhaust ports
232 crank - 3.5" stroke
525AP30 pistons - 1.580 comp dist 14cc dish (.30 over) only have to buy two!

.043 head gasket
cam???? still thinking on that one.
Deck height should be -.002" (quench of .041")
I'm aware this setup will most likely require premium fuel depending on cam selection. I'm ok with that.
This will be a slow build so don't expect pics/updates every day.
A BIG thanks to all who have posted specs and build info that has brought me to this point!! There is a huge wealth of knowledge here.