351 cleveland into Patrol - the legalities

Post by **351ciofgrunt** » Wed Dec 12, 2007 7:45 am

Hey guys,

I'm in queensland, does anyone know the rules and process about getting a 1991 GQ Patrol through RWC, mod plated and registered with a 351 cleveland? Can I get it through on a Holley carb or do i need to run LPG as well?

cheers,

Post by **WOZ** » Wed Dec 12, 2007 8:40 am

The rule is in qld the engine that you are using is the same age or newer than the vehicle that it is going into. If the engine is older, it must be on straight gas not dual fuel. It is to do with emission requirements. There is a new code of practice for vehicle mods being released that might change this. I`d ring around a few mod platers and talk to them on what they want before you take it for inspection. Cheers Woz WM Motorsport

Post by **cooki_monsta** » Wed Dec 12, 2007 6:22 pm

id love to know how u did the 351 convo as i wish to do it to my troll reckon it would produce a bucket load of torque

and power to boot

Post by **ADEM** » Wed Dec 12, 2007 6:57 pm

i had a 351 Cleveland in my old LWB 79 F100, was only 2wd with 32" tyres, but god it got going, loved the mud thats for sure..

And for a close to 2.5 tonne truck, it was quicker off the mark then my old VY commo with full exhaust and extractor upgrades

Post by **not stock** » Wed Dec 12, 2007 7:19 pm

Just curious as I,m currently thinking of the same conversion but what manifolds are you going to use to clear the clutch line if you use the standard one's they will run to close to the clutch line.

Post by **351ciofgrunt** » Thu Dec 13, 2007 10:56 am

I'm still far from finished this conversion, I've just started trial fitting the extractors, I'm using a set of 2v 'motivator' tri y's. So far I can see that the clutch line needs to be moved / re-routed, and I'm not sure yet what to do about the slave cylinder....

Post by **GQ Bear** » Thu Dec 13, 2007 2:04 pm

I recently made some enquiries about putting a 302 Clevo in mine. apparantly the Pacemaker extractors have been used with some success.

Post by **mikesmith** » Thu Dec 13, 2007 3:43 pm

why play with a 302 when you could just get 50 extra cubes for no difference??

just put a 351 in it. u will regret a 302 later on.

Post by **bogged** » Thu Dec 13, 2007 3:55 pm

why not go a Ford Racing 460 To 514 C.i.d 625 Horsepower Crate Engine?
or World - Merlin Big Block Chev 632 C.i.d 900 Horsepower Crate Engine

Post by **not stock** » Thu Dec 13, 2007 4:16 pm

Bear pacemakers out of what model falcon x? I have a set of pacemakers out of an xy/xw.

Post by RN » Thu Dec 13, 2007 4:33 pm

mikesmith wrote:why play with a 302 when you could just get 50 extra cubes for no difference??

just put a 351 in it. u will regret a 302 later on.

302 heads on the 351 block.....high compression

...great for LPG. Had one in the GXL.

Post by **GQ Bear** » Thu Dec 13, 2007 6:22 pm

RoadNazi wrote:
mikesmith wrote:why play with a 302 when you could just get 50 extra cubes for no difference??

just put a 351 in it. u will regret a 302 later on.
302 heads on the 351 block.....high compression ...great for LPG. Had one in the GXL.

i can get complete working, recently rebuilt 302 for about $200. That's why.

XF i think. Was a thread on OL. do a search, bogged provided links, one of em was a member who'd successfully done it,

**edit** sorry, was referring to pacemaker extractors. And you're right probably was XD.

Post by **mikesmith** » Thu Dec 13, 2007 6:25 pm

xf's did not come with v8's.

prob out of an xd. oh well just get a 351 crank for it and leave the 302 rods in and it comes out to about 345 and revs harder!!.

Post by **chunderlicious** » Thu Dec 13, 2007 6:31 pm

mikesmith wrote:xf's did not come with v8's.

prob out of an xd. oh well just get a 351 crank for it and leave the 302 rods in and it comes out to about 345 and revs harder!!.

ummmm, they share the same rods and pistons..... ive changed 3 over now and they were all 5.8 litres. full rebuild and had forged rods etc. out of a 302/351 ordered...... 3 times same displacement...... same rods, same crank, same pistons, same heads (4 grand worth) all 351 crank and bearings and 302/351 rods and pistons. i can find a receipt if you like.

Post by **not stock** » Thu Dec 13, 2007 6:53 pm

If you put a 351 crank in you will have to change the rods as the 302 has longer rods.

Post by **unimog** » Thu Dec 13, 2007 8:10 pm

the new law states in QLD that in a gq patrol you can not put a motor bigger then a 5.8 lt motor so the 351 just fitt's in to the codes

hope that helps

Post by **mattsluxtruck** » Thu Dec 13, 2007 10:05 pm

302 is a 6" inch rod. The difference between 302 and 351 is the crank and rods. Pistons also have a different pin height.
302 is 3" stoke
351 is 3.5" stroke. Same bore size.

Post by **mikesmith** » Thu Dec 13, 2007 10:09 pm

thanks mattluxtruck

mechanic by trade chunderlicious. if u read a car mag it will have in the speed shop adds hyperutetics i think how its spelt, pistons for the 351 crank 302 rod combo.

Post by **chunderlicious** » Thu Dec 13, 2007 10:14 pm

fair enough, must have meant that on the receipt as in 302 pistons for a 351 crank to make it right. my bad.

Post by **Hoonz** » Fri Dec 14, 2007 8:47 am

go a 351 with a 400 stroker kit

Post by **mikesmith** » Fri Dec 14, 2007 8:51 am

393 is more than enough can get them real cheap off ebay to! not sure how long they would hold on if u got some real HP out of it tho.

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351 cleveland into Patrol - the legalities

351 cleveland into Patrol - the legalities

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