Jegs lists crower lifters as a possibility.
https://www.jegs.com/i/Crower/258/66208-12/10002/-1
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- Thu Dec 21, 2023 5:57 pm
- Forum: Pontiac Fiero Discussion (General Non-Technical)
- Topic: progress on the banshee...
- Replies: 1302
- Views: 412344
- Wed Dec 20, 2023 8:03 am
- Forum: Technical Conversations on Pontiac Fieros
- Topic: LZ9 and LZ4 Fiero Swap Parts
- Replies: 16
- Views: 7442
Re: LZ9 and LZ4 Fiero Swap Parts
Do you have an LS style alt laying about. If not I have an ls4 one here
- Fri Dec 15, 2023 3:17 pm
- Forum: Pontiac Fiero Discussion (General Non-Technical)
- Topic: 1988 Fiero track car
- Replies: 80
- Views: 48207
Re: 1988 Fiero track car
Nice. Loving it
- Thu Dec 14, 2023 8:57 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Installing 3500, LZ4, for the time being
- Replies: 18
- Views: 13966
Re: Installing 3500, LZ4, for the time being
I pulled a datalog of a stock lz9 with the lnj stock cam, vs the 3.5 with the aftermarket cam. you can see the boost curves at the same rpm here. much less boost on the 3.5 clearly my turbo is oversized for the engine at lower rpm. the 3.5 needs more rpm to make up the difference which is to be expe...
- Sat Dec 09, 2023 8:55 pm
- Forum: Pontiac Fiero Discussion (General Non-Technical)
- Topic: sluppy123 aluminium front hubs
- Replies: 20
- Views: 15946
Re: sluppy123 aluminium front hubs
Curious as to what the factory hub runout is? Maybe it's already been mentioned
- Thu Dec 07, 2023 8:28 am
- Forum: Other Cars
- Topic: Northstar twin turbo into a Ford Fairlane.
- Replies: 1
- Views: 3036
- Wed Dec 06, 2023 9:21 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: High Feature V6 Swap
- Replies: 377
- Views: 113844
Re: High Feature V6 Swap
Exhaust is looking good. Welds look good from here
- Sat Dec 02, 2023 12:18 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
Looking good on that bracket.
Here is the current state of the engine. Lnj cam in, ready for some reassembly.
Here is the current state of the engine. Lnj cam in, ready for some reassembly.
- Thu Nov 30, 2023 2:46 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
It seems the camshaft is discontinued from gmparts direct.
I used the 2009 equinox lt trim which should be the 3.4
Welp. That's that I guess. No more available.
I used the 2009 equinox lt trim which should be the 3.4
Welp. That's that I guess. No more available.
- Wed Nov 29, 2023 11:08 am
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
You asked why not keep the vvt. I show why, and you say "so".
Hey man, when you do your 3.9 on the stormtrooper you can spend hours tuning your vvt cam for an extra 400 of additional rpm.
Hey man, when you do your 3.9 on the stormtrooper you can spend hours tuning your vvt cam for an extra 400 of additional rpm.
- Wed Nov 29, 2023 10:03 am
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
J upson who knew his vvt cam was not dialed in correctly but dynod anyways just to show what can happen. This was a gtech style road Dyno. Drastic power drop.
- Wed Nov 29, 2023 8:51 am
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
It's gonna run a microsquirt amp. Vvt is being deleted for simplicity of swap I have yet to see anyone who kept vvt with an micro or megasquirt do a Dyno to see where their power peaks. However j upon did dynod his with his modified vvt and it wasn't dialed in correctly. I believe power fell off bef...
- Tue Nov 28, 2023 3:02 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
Are the block casting numbers different? It doesn't look like there's enough iron to move that bolt hole outboard 4mm The earlier blocks have the bolt pattern the same as the 2.8. there is no need to move the bolt hole out further Eric is saying the lz9 is out a bit further. But it's close enough w...
- Mon Nov 27, 2023 9:36 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
Got the intakes, valve covers and pushrods out. Still need to remove timing assembly and lifters, then the lnj cam can go in
- Sun Nov 26, 2023 8:48 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
Interesting idea on the mount. We could do a test fit and give feedback if you want and take some pics.
I've got the front torn off and prepping for the lgd cam swap.
I've got the front torn off and prepping for the lgd cam swap.
- Sun Nov 19, 2023 7:40 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
The water manifold is one piece but it's separate from the timing cover.The Dark Side of Will wrote: ↑Fri Nov 17, 2023 2:39 pm I thought the 3900 had the upper water manifold at the back. I guess I was wrong about that.
Are the water manifolds two separate pieces or one large cover as with the Gen II & III engines?
- Fri Nov 17, 2023 11:52 am
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
There is no upper bolt hole.
- Wed Nov 15, 2023 5:42 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
Mounted. Easy.
- Wed Nov 15, 2023 1:38 pm
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
Gotta trim/grind the front mount like you do on the dohc 3.4 swaps. I also trimmed some excess webbing on the oil pan. A bit off the pan and a bit off the mount instead of it all off the mount. But that's it.
- Tue Nov 14, 2023 11:54 am
- Forum: Technical Conversations on Pontiac Fieros
- Topic: Lz9 + 4 spd manual trans in 86 GT swap
- Replies: 55
- Views: 51269
Re: Lz9 + 4 spd manual trans in 86 GT swap
Engine is off the cradle I'm kind of interested in trying to see if using the factory front cover and water pump assembly will be too difficult or just swap over to the fiero stuff. Coolant hose routing and alternator packaging are the big concerns with using factory LZ components. I'll have to mock...