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| | | Joined: Dec 2003 Posts: 29 Member | | Member Joined: Dec 2003 Posts: 29 | has anybody tried this on a 235 or any of the other stovebolt 6's? i was entertaining an idea of a custom system but wanted to know of any caveats? also does anybody know if i can use an aftermarket high psi mechanical pump mounted where the stocker is?
'59 Chevy 1-ton
'03 **** Lightning
'96 Kawasaki 1100 zxi
| | | | | Joined: Dec 2003 Posts: 510 Shop Shark | | Shop Shark Joined: Dec 2003 Posts: 510 | You mean like a blower? And by mechanical, I'm assuming you mean a Roots-type supercharger? If so, I've seen a couple of them on the salt flats: [img] http://www.chevyasylum.com/bsf2003/wf/031018/031018_060r8.jpg[/img] This is a front-engine dragster with in inline 6 motor (I don't know exactly what motor it is) and a Whipple roots-type blower. It ran at the Bonneville Salt Flats last October. Their high speed was a little over 188. | | | | | Joined: Dec 2003 Posts: 29 Member | | Member Joined: Dec 2003 Posts: 29 | by mechanical i mean a mechanical fuel pump. with a blow through carburetor system, i need a higher volume fuel pump capable of supplying fuel with pressure referenced with boost. this is easily accomplished with a mechanical pump, i just wanted to know where to get a high capacity mechanical fuel pump.
btw, sweet pic, but i wasn't planning on using a roots blower for the compressor, i have one of those on my daily driver, i had something else i mind for this.
'59 Chevy 1-ton
'03 **** Lightning
'96 Kawasaki 1100 zxi
| | | | | Joined: Jul 2003 Posts: 179 Member | | Member Joined: Jul 2003 Posts: 179 | Why the focus on a mechanical pump? I would think you could find an electric one to meet your needs quite easily....or are you trying to make this a bit of a sleeper?
- Ryan
59 Apache Step
78 El Camino
http://www.wsu.edu/~rsain
| | | | | Joined: Dec 2003 Posts: 29 Member | | Member Joined: Dec 2003 Posts: 29 | sleeper, and cheaper. with the mechanical pump, it can easily be boost referenced. with an electric pump, i would need a boost referenced adjustable fuel pressure regulator. the elec. pump and regulator are expensive (read: a couple hundred bucks!) an mechanical pump is a lot cheaper.
'59 Chevy 1-ton
'03 **** Lightning
'96 Kawasaki 1100 zxi
| | | | | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | I have heard of people having problems with the #1 main bearing when running a blower on a stovebolt. You probably don't want to run too much tension on the harmonic balancer. Some people fabricate an external bearing.
I've been thinking about doing a turbocharger with fuel injection on my spare 235. A small turbo like a TO3 would work pretty well and you could use the stock exhaust manifold and a fabricated intake to make about 5-10 lbs boost at 2000 rpm. There are a lot of small turbos available because a lot of people with factory turbo cars like Eclipses swap them for bigger ones when they modify.
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A lone amateur built the Ark. A large group of professionals built the Titanic. | | | | | Joined: Feb 2001 Posts: 1,897 Member | | Member Joined: Feb 2001 Posts: 1,897 | The engine in the pic ChevyAsylum has posted is a GMC engine 
There is enough good in the worst of us and enough bad in the best of us that it does not behoove any of us to criticize the rest of us.
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| | | | | Joined: Dec 2003 Posts: 29 Member | | Member Joined: Dec 2003 Posts: 29 | yeah, i was planning on using a t3 or t4 turbo on my 235, so no tension issues. i have most of the system planned out. i am just trying to get the fuel pump figured out in a cost-effective manner. i though about fuel injection, but for now i will be using a carburetor in a blow through application, max 10 psi. any other issues with forced induction on the long block. i will probably use new rings, may or may not go for a full rebuild, but it would be a good idea. i know there are some flow issues with the stock head, i may look into a port job with bigger valves and a more aggressive camshaft. any other issues, ideas?
'59 Chevy 1-ton
'03 **** Lightning
'96 Kawasaki 1100 zxi
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