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Search: Posts Made By: Shaun41178
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Forum: V6
11-20-2023, 07:06 PM
Replies: 41
Views: 6,706
Posted By Shaun41178

Re: Mars inspired me 3900 engine

Long time no post. I was doing some googling and came back across this old thread.

So update on this engine. I had a valve seat fall out of it and it trashed every piston and bits got sucked...
Forum: V6
07-06-2017, 08:49 PM
Replies: 41
Views: 6,706
Posted By Shaun41178

Re: Mars inspired me 3900 engine

Top ring gap is at .022


second ring is at .021


main clearances are about .015 for all journals.


Piston sits about .005 in the hole.
Forum: V6
06-07-2017, 09:35 PM
Replies: 41
Views: 6,706
Posted By Shaun41178

Re: Mars inspired me 3900 engine

thinking about .022 top ring and .024 second ring. thoughts? turbo use with e85 and about 14 psi, or a 150 shot. haven't decided yet. Bore is 3.905
Forum: V6
06-01-2017, 07:53 AM
Replies: 41
Views: 6,706
Posted By Shaun41178

Re: Mars inspired me 3900 engine

its slow going. found a pit in one of my crank bearings so I have to get a new set. I mocked up cyliner 2 piston in the bore and a close up of the cam spacers installed with the cam bearings.
...
Forum: V6
05-18-2017, 10:26 AM
Replies: 41
Views: 6,706
Posted By Shaun41178

Re: Mars inspired me 3900 engine

Everything is back from the machine shop and I have been slowly working on it. Cleaning everything is my priority right now. Pistons fit but still need to verify deck height once assembled. Ill have...
Forum: V6
05-07-2017, 01:11 PM
Replies: 13
Views: 1,760
Posted By Shaun41178

Re: 2.8 turbo question

a simple google image search should turn up whether or not the flanges are the same on the exhaust.

if you aren't sure, buy an inlet gasket and downpipe gasket and compare to what you already...
Forum: Theoretical and Street Racing
04-24-2017, 08:49 PM
Replies: 3
Views: 1,085
Posted By Shaun41178

Re: hybrid swap vs terminator cobra

its a real cobra. had the blower on it and everything.
Forum: Theoretical and Street Racing
04-23-2017, 09:09 PM
Replies: 3
Views: 1,085
Posted By Shaun41178

Re: hybrid swap vs terminator cobra

Vs some bikes.

https://m.youtube.com/watch?v=ZQD8ag6Rn3o
Forum: Theoretical and Street Racing
04-14-2017, 08:19 PM
Replies: 3
Views: 1,085
Posted By Shaun41178

hybrid swap vs terminator cobra

not sure if this was the right section but it is a v6 so???

lx9 botton end with gen 2 heads and itb intake with custom plenum.

10 lbs of non intercooled boost, 5 spd trans

shows the...
Forum: V6
04-02-2017, 10:09 AM
Replies: 22
Views: 3,217
Posted By Shaun41178

Re: DRAG WEEK 2017 - 3900V6 Camaro is in.

not 100% true but sort of.

the stock crank is forged steel, no upgrade needed. Pauter makes an aftermarket forged rod. and I have found several drop in forged pistons designed for a ls1 but do...
Forum: V6
03-28-2017, 10:18 AM
Replies: 22
Views: 3,217
Posted By Shaun41178

Re: DRAG WEEK 2017 - 3900V6 Camaro is in.

good luck sir, and hope this racing season is a good one for you
Forum: V6
01-28-2017, 12:56 PM
Replies: 41
Views: 6,706
Posted By Shaun41178

Re: Mars inspired me 3900 engine

last post for a bit. I dropped off the rings and I picked up some arp rod bolts from wot tech at the machine shop. Not sure how long it will take for them to do the machining and assembly. ill...
Forum: V6
01-23-2017, 10:12 PM
Replies: 41
Views: 6,706
Posted By Shaun41178

Re: Mars inspired me 3900 engine

about $480 for a set of 8 is what I paid. That was the cheapest I could find from Real St in Orlando The rings were $92.

I will need to open up the rod bushing .002 to fit the slightly larger...
Forum: V6
01-23-2017, 03:44 PM
Replies: 41
Views: 6,706
Posted By Shaun41178

Re: Mars inspired me 3900 engine

just dropped my pistons off at teh machine shop today. progress is slow obviously as I haven't provided all the parts.

JE forged turbo piston for ls1. 3.905 bore
Forum: Engine/Drivetrain/Suspension Parts for Sale
12-13-2016, 09:16 AM
Replies: 6
Views: 1,495
Posted By Shaun41178

Re: Lz4/9 v6 swap cam bearing spacers

125. Want it gone
Forum: V6
11-16-2016, 11:34 AM
Replies: 41
Views: 6,706
Posted By Shaun41178

Re: Mars inspired me 3900 engine

no big news but a while back I had dropped off a 3900 to my local machine shop. since that time its been hot tanked and the bearing spacers and bearings on the middle two cam journals have been...
Forum: V6
11-08-2016, 11:42 AM
Replies: 13
Views: 1,760
Posted By Shaun41178

Re: 2.8 turbo question

you look on ebay for a rebuild kit? a quick search pulled up several compete turbochargers but I am not sure if they are compatible or a true bolt on. take a look at the exhaust housing and see if...
Forum: V6
10-15-2016, 08:57 PM
Replies: 12
Views: 1,961
Posted By Shaun41178

Re: possibly hybrid v6 build

those pistons were designed for the iron heads. you can use them with aluminum heads but your compression will be around 12.5:1 I think

you say you are in college, and lost your job.

bolt iron...
Forum: V6
09-28-2016, 04:24 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

Gm rates them to 7k rpm but also I read at one time that it was 400 hp too.

I made 370 whp and 470 tq and never shifted over 6k rpm with stock compression. 3 rods bent. I am guessing the tq is...
Forum: V6
09-08-2016, 08:24 PM
Replies: 7
Views: 1,059
Posted By Shaun41178

Re: Velocity stacks

https://cimg5.ibsrv.net/gimg/www.thirdgen.org-vbulletin/640x421/80-3500_09c21e11e67adee743cbd3c8d88a9511ef9a8e8c.jpg

not a modified factory intake but it was cast this way. about 1 of 6 ever...
Forum: V6
09-06-2016, 08:24 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

I'd say thats a little tight. spec calls for 0.028-0.094. Although .094 sounds ridiculous too. I am guessing its supposed to be .0028-.0094. I can't see how nearly a tenth of an inch is ok for a...
Forum: V6
09-03-2016, 12:38 PM
Replies: 4
Views: 392
Posted By Shaun41178

Re: 91 3.1l 5 speed trys to start but wont.

don't put in junkyard injectors. you run the risk of the same problem. bad spray pattern, or won't even open to spray fuel.

spend the $150 or less to buy new injectors. NEW, it will run like a...
Forum: V6
09-03-2016, 12:33 PM
Replies: 7
Views: 3,481
Posted By Shaun41178

Re: Turbocharger on stock 2.8 v6 carb?

anything can be turbocharged. most v6 guys do not turbo carb setups. factory carb setup is what 110 hp? its not even worth it. if you want to do it, I would google research blow through carb...
Forum: V6
08-29-2016, 07:45 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

I know you aren't going to do it, but I am going to say it so I can make myself feel important. :lmao:

put the high compression pistons back in and give it another shot, lower your timing to...
Forum: V6
08-17-2016, 05:20 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

you running a thin weight oil? I usually go with a 20/50 in my turbo setups. you change it since you lifted the head? If your clearances are messed up than the damage is done. You can try to...
Forum: V6
08-16-2016, 06:08 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

I have run as low as a 5 psi spring on my setup, with a similarly sized turbo as you, except that I am running a 38mm gate (Tial MVS), and I have no boost creep at all with that 5 psi spring. it...
Forum: V6
08-16-2016, 12:36 PM
Replies: 41
Views: 6,706
Posted By Shaun41178

Re: Mars inspired me 3900 engine

Yes the dizzy is longer than stock. I will have to check my notes but I think I had it extended 2-2.5 inches. somewhere in that range. Not hard to do though.

Yes DIS is a superior ignition,...
Forum: V6
08-15-2016, 08:06 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

So this setup is faster on 8 psi than then other engine on 14 psi and nitrous?

you use nitrous off the line for spool?

How does the higher compression engine feel off boost and while boosting...
Forum: V6
08-15-2016, 06:45 PM
Replies: 36
Views: 1,731
Posted By Shaun41178

Re: New to the V6 world, have some 3.4 intake/ exhaust questions.

it does fit but it takes a bit of machining but nothing too crazy. A dremel could probably be used.
...
Forum: V6
08-14-2016, 09:25 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

your goal was to run 10s and you are pretty much there with those 1/8th mile times.

good luck with your swap, but it appears your made your goal with your v6

how much boost with that et and...
Forum: V6
08-13-2016, 08:49 AM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

So did you pop your 12:1 motor? Get any tuning done or wot pulls?


it would have been nice to see some results as I was planning on a 12:1 build myself with e85 my current engine is 10.8:1 but...
Forum: V6
07-13-2016, 11:04 PM
Replies: 36
Views: 1,731
Posted By Shaun41178

Re: New to the V6 world, have some 3.4 intake/ exhaust questions.

Do a 3.9 swap if you are gonna spend a bunch of money to rebuild a 3.1. 240 hp out of the box. Flip the intake around which you have to do anyways and you can use a distributor
Forum: V6
07-02-2016, 07:56 AM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

If you are willing to do full pulls at the track I can only assume you have done some wots and all looked good?


I wouldn't make a trip to the track till you get dialed in somewhat on the...
Forum: V6
06-30-2016, 06:16 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

congrats man.
Forum: V6
06-24-2016, 08:49 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

not trying to tell you what to do, its your engine, but with your CR, I would start at around 15 degrees of timing on your 6-8 psi. Then work your way up.

IMO you will prob be ok on low 20's...
Forum: V6
06-24-2016, 08:24 PM
Replies: 180
Views: 43,990
Posted By Shaun41178

Re: 3900 IROC-Z28 buildup.

this is why I have been pushing for more people to do this engine swap.

stock bottom end on 5 psi can run 11's easily. I mean what other motivation does one need?

Even if you don't plan on...
Forum: V6
06-24-2016, 07:14 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

yes you shouldn't have to do anything with the wideband. the programmer just dumps the the afr reading to the gauge. So if you say its on e85, it shows an e85 READOUT on your gauge.

if you set...
Forum: V6
06-22-2016, 08:13 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

you don't need to adjust your wideband settings at all. Like I mentioned before, your wideband reads lambda and converts.

so .85 lambda with e85 is the same as .85 lambda with 93 fuel. The...
Forum: V6
06-22-2016, 10:12 AM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

If you think 8 psi will be fine first time out then go for it. I was a bit safer and went with 5 to start. checked plugs, afrs, timing, to make sure everything was "good enough" before turning it...
Forum: V6
06-21-2016, 08:55 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

You are gonna love running it. I just picked up 10 more gallons at 2.03/9 a gallon. It goes fast but for the price for what is essentially race gas its worth it for my high Cr build. 93 here was...
Forum: V6
06-21-2016, 05:45 PM
Replies: 180
Views: 43,990
Posted By Shaun41178

Re: 3900 IROC-Z28 buildup.

Congrats! That is a good payout. Running that consistent you could make a good amount of money this summer with that setup. Its payed for itself already!
Forum: V6
06-12-2016, 06:13 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

I run r42lts in my setup. I am going to change them out when I get around to it though. Research shows to use a non extended tip electrode, so I picked up some ngk br7's Non extended top means the...
Forum: V6
05-31-2016, 04:24 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

no prob. just hate to see you spend money when you don't have to.
Forum: V6
05-31-2016, 04:18 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

Most widebands don't need to be changed. Almost all on the market today, read lambda, then convert to a gas AFR reading.

meaning they look at lambda no matter what fuel you have going through...
Forum: V6
05-30-2016, 07:55 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

id prob swap pistons too. that would get you back on the road faster. you can research swapping to e85 at a later date and whether its worth it for you or not.

you could be baller and get forged...
Forum: V6
05-30-2016, 06:24 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

Calculate the static compression ratio first. Get all the numbers. measure the piston height from the deck, verify head gasket thickness, and verify head CC if possible, or just use the stock...
Forum: V6
05-29-2016, 09:03 AM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

wow look how pissy you get when I call you out on talking trash about someone elses car and goals, when your goal is much less than that. I ask you a direct question on hp and qtr mile, and you...
Forum: V6
05-28-2016, 10:30 PM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

GM would not make a piston with 4 valve reliefs, even if they were going to use the same part number for both. they could have made the valve reliefs the same size whether the relief was going to be...
Forum: V6
05-28-2016, 11:08 AM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

I saw your post on 60 degree, if you can get that setup, you will be back up and running in no time and for a good price. If not, and you think of going lx9, I say skip it, and go for the lz9. More...
Forum: V6
05-28-2016, 10:59 AM
Replies: 1,861
Views: 95,372
Posted By Shaun41178

Re: Fasteddis Turbo 3.1/3100 Hybrid

I am assuming you have looked at the lz9 pistons. They weren't designed for the 2 valve engines to begin with. If you noticed, they have 4 valve reliefs in the piston tops. The lz9 pistons were...
Showing results 1 to 50 of 79
 
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