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SBC Twin Turbos
Sweet Seventy9- *Senior Moderator*
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solo79- *Senior Moderator*
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YES, I've been seeing these lately priced ridiculously low. I am seriously thinking about getting this for the 327 in the KITT car. I've already put $5,000 in that engine with only the best parts, so a twin turbo would be a nice upgrade. Of course there's that pesky "is there enough room" in my engine bay thing... Plenty of room in a B-Body though!
Sweet Seventy9- *Senior Moderator*
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solo79 wrote:<snip> Plenty of room in a B-Body though!
My thoughts exactly!
GM B-Body Forum- Admin
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wow thats incredibly cheap! I could go this route and make good numbers or i could spend about 1500 to swap a set of vortec heads on that would only get me near 375 hp. I wonder how much boost a stock small block can handle, probably somewhere around 5-10 psi.
Sweet Seventy9- *Senior Moderator*
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GM B-Body Forum wrote:wow thats incredibly cheap! I could go this route and make good numbers or i could spend about 1500 to swap a set of vortec heads on that would only get me near 375 hp. I wonder how much boost a stock small block can handle, probably somewhere around 5-10 psi.
These would work nice with the turbos and still be less than the vortec heads alone.
http://www.ebay.com/itm/Chevy-350-PEREFORMANCE-Aluminum-Heads-PAIR-SBC-Assembled-STRAIGHT-plug-/261474304894?pt=Motors_Car_Truck_Parts_Accessories&hash=item3ce115437e&vxp=mtr
or these
http://www.ebay.com/itm/chevy-small-block-350-202-angle-plug-heads-/301092792039?pt=Vintage_Car_Truck_Parts_Accessories&hash=item461a8766e7&vxp=mtr
Or even better -
http://www.ebay.com/itm/SBC-dart-pro-1-230-aluminum-heads-/251641393951?pt=Motors_Car_Truck_Parts_Accessories&hash=item3a96fef31f&vxp=mtr
or even these -
http://www.ebay.com/itm/Gm-performance-parts-aluminum-fast-burn-sbc-heads-/291237635515?pt=Race_Car_Parts&hash=item43cf1da5bb&vxp=mtr
Machine-De-Zine- Newbie (Tier 1)
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Did anyone notice that the one vehicle this kit is listed as "compatible with" is a 1977 Oldsmobile Delta 88!? Typo?
Also, those tall "round-port" exhaust gaskets seem to suggest that the heads' exhaust ports, if left stock (as cast) would not be so perfectly suited to those headers.
Consider that an engine should be built from the ground up, either for a turbo, or not for a turbo.
Correct compression ratio for turbo implementation stands out as a concern that must be considered before the build. 8.0:1 -or- 10.5:1 - this makes a huge difference.
Also, those tall "round-port" exhaust gaskets seem to suggest that the heads' exhaust ports, if left stock (as cast) would not be so perfectly suited to those headers.
Consider that an engine should be built from the ground up, either for a turbo, or not for a turbo.
Correct compression ratio for turbo implementation stands out as a concern that must be considered before the build. 8.0:1 -or- 10.5:1 - this makes a huge difference.
GM B-Body Forum- Admin
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Also those Chinese made turbos use cheap bearings and are under oiled and will probably wear out in 5- 10K miles. Ive decided to stay away from that, and just build an NA motor. And no you definitely dont want to run high compression with a power adder!
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