Bench Race this w/me ...

[Barry Donovan]

Re: Bench Race this w/me ...

the 307 with turbos... nice thought.

to keep sending it deep like oem,
I'd go holley blo through, keep distributor realtime crb.. I would not even change the cam.

not all of china is pedophiles killing babies.
What turbo is not asian? ???

IHI (?) versions are down to less than $250.. use engine oil and coolant..or whatever ingenuity does...still finding them in roaster four bangers after 20 years, still functioning, no errors.
saab, subaru, volvo, the turbo got monopoly.

[BOOOGHAR]

Re: Bench Race this w/me ...

is this possible engine combo going back into the camaro ?

[TheSilverBuick]

Re: Bench Race this w/me ...

Dan, I'm not entirely sure on how compatible TBI's are with boost, because their low pressure fuel systems (~12psi), but say you add fuel pressure, I'm not sure how the internal regulator handles the boost. DG Scott probably has the answer, which I'm very interested in because my T-bird. The other cavieat is TBI's are kind of injector limited, unless you find an old projection 4bbl one, then you'd probably be good on fuel flow. I'm going to work on the t-birds electrical system today, hopefully I solve the noise issue so I can find out if I have enough injector flow for the engine. The other efi stuff is a walk in the park, watch some of Chad's thread too. Fine any multi-port fuel injection manifold for the engine and go that route and you know you won't have any real fueling issues.

I'm pretty sure Scott also told me twin turbo's vs. one single one is mostly for packaging or looks. I guess there are tricks and such that can be done to minimize lag in a single setup that keep the lag around the same level as the twin setup.

[KeithTurk]

Re: Bench Race this w/me ...

I love the idea.... and once you feel how the Turbo makes power you be HOOKED.... they are truly incredible.... edible and keep the tire stores in business....

K

[Bamfster]

Re: Bench Race this w/me ...

an excellent use for 305 heads
307s can be made to run , but boost or 125 shot on a fairly stock motor could be easier
my buddys 283 cranks

You know me Spidey ... I'm all about bangin' it with nitrous! But this is a turbo bench race session, just to say I did it. I could actually have the motor up n running by next week.

I guess more to the point, what turbos would work? Saab? Mitsu? Cummins? .... throw some ideas out there.

Hopefully Randal and Scott will chime in for the EFI part ....

[SpiderGearsMan]

Re: Bench Race this w/me ...

an excellent use for 305 heads
307s can be made to run , but boost or 125 shot on a fairly stock motor could be easier
my buddys 283 cranks

[Bamfster]

Re: Bench Race this w/me ...

The heads are the early 90s smoggers w/ 1.88 intakes. Not optimal but it's what I have (plus they're fresh) and they'll clear the bore on the 307.

[Blazerteam]

Re: Bench Race this w/me ...

We could learn alot of your mistakes..i say go for it ;D.Those 350 heads...2,02 intake valves?.Go for twins...as said,it should be easier to make the exhaust and things.

I have a 350 standing here,and a frame without body from a 76 Chevelle wagon...i should do this too...

[TC]

Re: Bench Race this w/me ...

Twin turbo's are easier to plumb the exhaust with, so that is something to think about.......

[Bamfster]

Re: Bench Race this w/me ...

That's where I'm lost ... what kind of HP difference between single and twin?....remember it's only 307 cid.

[ksj1]

Re: Bench Race this w/me ...

From seeing your fab skills Id say its probly doable.Id say just going single would get you into the 14s rather easily at a lower cost than twins.Fun factor though says twins.Ive thought about doing something just so I can say to people"Check out the TWINS" ;D

[Bamfster]

Boy that article on the cheap turbos in CC sure got the juices flowing! Here is what I've had rattling around in my head since I read it:

I have a 307 (yes 307) sbc that is the original #s matching engine for my camaro. It only has about 20k on it since it was rebuilt. I haven't torn into to actually see what kinda shape it's in, but it was running when it was taken out.

How about a down and dirty rebuild (dingle ball hone, rings and bearings) and a fresh set of 350 smog "hencho en mexico" heads. I'd use these since they're fresh, have hardened seats and the 1.88 intake valves. Intake will be a performer, but instead of a carb, one of the cheap tbi conversions ala DIY auto tune.

Now the here's the twist ... cheap twin turbo setup. Not necessarily the chinese ebay ones, but just a cheap twin setup. Boost will be kept low, I'm not looking for hero HP numbers ... 18-20 mpg is a goal and so is mid 14 second ETs. It's different for sure, and that's the main thing that I'm digging about it.

Heck, I may add A/C and cruise control and drive it around the world if it works out ....

Point out the flaws (other than the lack of CID). Talk me outta it, better yet, talk me into it! Is it possible to do it for under $2500 start to finish?