3.4L RWD in a FWD car?

[01GPGT]

well like the title says will it work? i am throughing some ideas around with my grandpa for when my engines dies and a i like the idea of a N/A 60* making close to 300 whp (abought what the 3800 is making now) any thought or ideas is welcomed

[Mr_Efficiency]

Why a rwd 3.4? the fwd versions are way better right out of the box just get a 3400 or 3500 and with some work you could achieve your hp goal. Just makes more sence to start with a 210hp fwd motor instead of a (not sure exact figure) 130hp rwd motor.

Anyways, i dont think it will work either way because of the way the pulley assembly and timing cover is setup.

I was thinking of trying the oposite swap and put a fwd motor in a rwd car, the only external diffrences of the motors that i can see is the front pulley assembly, from what i have seen the bosses for the motor mounts are all the same on each block, but i havent had a very good look at a rwd block, just pictures.

[01GPGT]

I was trying to keep coast down the 3.4L RWD blocks are cheaper hear so are flat tappet cams. Rollers get expensive

What kind of compression can I get with a 3400/ 3500 hybrid? Some people have been talking a bought getting 11-13:1 CR how would I achieve this?

I have a lot of questions lol

[Mr_Efficiency]

with a 3.4 rwd block and 3400 heads you get crazy high compression, I've heard anywhere from 11.5:1 to 12:1 depending on what head gaskets are used. with compression that high you can not run regular street fuel ... if you got it down to 11:1 and had some really good tuning you would be ok tho

[bszopi]

There is at least 1, if not 2 cars are here that are running 12:1+ on pump gas. Tuning is the key.

[01GPGT]

that is good to know thanks

was there any FWD 3.4L engines that used flat tappet cams or could i put a flat tappet in a 3400 block? (in any case they will be a custom grind but still cheaper then a roller cam)

[ForcedFirebird]

that is good to know thanks

was there any FWD 3.4L engines that used flat tappet cams or could i put a flat tappet in a 3400 block? (in any case they will be a custom grind but still cheaper then a roller cam)

Um, yeah, but is your 3800 N/A

Welcome to the darkside, it's about time you are interested in a REAL V6 lmao.

You can get 250+whp, but why would you want to downgrade to a flat tappet cam to do it? You know better...

Hmmm, pay almost $200 for a flat tappet cam and lifters, or you can get a roller regrind from Ben for just over $300.

Welcome to the 60 degree community

We have a good compression ratio calculator here on the side bar to the left. Just mix and match parts to see about what you are going to get.

3.4 pistons and 3400 heads gives you about 13.2:1, 3500 heads and 3.4 pistons gives you about 11.5:1 (my setup), and 3.4 DOHC pistons and 3500 heads makes about 12.5:1.

Dave made just over 270whp N/A with a 3500.

[01GPGT]

well I want to show some people at my car club these engines can do a lot most rip out there 3100 and put in the L67 also I like different so far it seems it is very doable and for a lot less then what my current set up is and will be bought the same power output

Hmmm, pay almost $200 for a flat tappet cam and lifters

That right there trying to do this cheap so people can see it is very affordable to do and make amazing out put

My cam I have right now cost in total $306.87 without lifters

3500 heads and 3.4 pistons gives you about 11.5:1 (my setup),

Is there a way to get it slightly lower or is this street able with 91 octane?


I am using engine analyzer to see what it will make and there are some things I can't find a bought the 3500 heads (I searched) flow numbers imported and ported, average port diameter, and port length

3500 intake runner diameter, runner length and flow numbers ported and un ported
If they are on here sorry I couldn't find them


and FF it is super charged

[Superdave]

ported 3500 numbers are not posted but the stock 3500 head flow numbers are here: http://60degreev6.com/forum/showthread.php?t=35212

11.5:1 is streetable, you'll have to tune this setup for sure though.

Yes, 273 WHP/259 WTQ all motor on a 3500. Hoping for closer to 300 WHP this year with a few small changes. we'll see in about 3 weeks.

[01GPGT]

cool thanks and wow the stock heads flow better then most aftermarket v8 heads i have seen let alone the 3800 heads (poor sad 3800 heads). startting to think why i did not do this in the first place