Identifying engine

[Jay]

How do i identifying what size engine i have in my new (to me, obviously) 78 wagoneer. The tag that is supposed to be on the right valve cover is missing. Is there a stamp somewhere else on the engine i can look at? TIA.

[Lococoin]

if its anything like my 77 j20 just look underneath the driver side motor mount on the block, there you will find the size of engine #'s welded on the block...mine says 360

hope that helps

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77 jeep J20
360 four barrel
t18a Dana 20
dana 60 rear
dana 44 front
3.73 gears with limited slip in rear
4" Superlift
35 X 12.5 Bf Goodrich M/T
SOA coming soon...i hope

[fas2c]

your VIN should list your engine size unless the DSPO swapped it out. It should go something like this: J8A15NNXXXXXX. The last letter will indicate the engine others are, A)258 I-6 1v; C)258 I-6 2v; H)304 V-8 2v; N) 360 V-8 2v; P) 360 V-8 4v; Z) 401 V-8 4v
Also try looking on the top of the engine compartment to the right of the radiator it should have a sticker telling of the specs.
Oh yeah welcome to the best place on the web for info on your new and wonderful FSJ!! http://www.ifsja.org/ubb/biggrin.gif
hope that helps,
fas2c

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The Big Orange
1974 Wagoneer
360-THM 400w/QT
31-10.5's
Super Saggy Springs
135,000 miles
Soon to have:
Performer Intake w/4bbl carb & low range QT gears

[This message has been edited by fas2c (edited April 07, 2001).]

[Jay]

I've got a feeling that the engine might have been changed by a previous owner, so i dont think the VIN is going to tell me correctly. So it would have to be something on the engine its self, thanks again.

[BobBarry]

I was going to say that it's either a 360 or a 401, unless it's a 2-bbl, in which case it would only be a 360, but if it's been swapped, then you have to look at the raised numbers cast onto the side of the block, right behind the motor-mount bracket. There is a sheetmetal tag on the right valvecover that has the code for the engine, but that's easily swapped as well, so it would be no use in your situation.

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Bob Barry<UL TYPE=SQUARE>* '78 Cherokee 4-door
* '88 Grand Wagoneer[/list]http://studentweb.providence.edu/~rbarry/wheels/

[Jay]

its has a 2-bbl on it... if that helps any1...

[BobBarry]

<BLOCKQUOTE>quote:</font><HR>Originally posted by Jay:
its has a 2-bbl on it... if that helps any1...<HR></BLOCKQUOTE>

If it's a 2-bbl, then it's unlikely that you'd have a 401. It's most certainly a 360, or possibly &lt;gasp!&gt; a 304. The casting on the side of the block is the way to tell.

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Bob Barry<UL TYPE=SQUARE>* '78 Cherokee 4-door
* '88 Grand Wagoneer[/list]http://studentweb.providence.edu/~rbarry/wheels/

[WillyPete]

i was playin around under my wag today and noticed that the displacement is stamped on the block close to where the oil filter is. good luck and welcome http://www.ifsja.org/ubb/smile.gif

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"Sugar Magnolia" '86 Grand Wagoneer 235/75R15 Wrangler AT/Rs, np229 x-case, bone stock otherwise