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Wanting to buy: Holley intake manifold for iron duke by Indy-453
Started on: 07-27-2020 01:33 AM
Replies: 3 (72 views)
Last post by: Dennis LaGrua on 07-29-2020 02:14 PM
Indy-453
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Report this Post07-27-2020 01:33 AM Click Here to See the Profile for Indy-453Click Here to Email Indy-453Send a Private Message to Indy-453Edit/Delete MessageReply w/QuoteDirect Link to This Post
Hello,

I am looking for a Holley manifold for an iron duke. Shipping would be to Calgary, Canada.

Thanks.
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Dennis LaGrua
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Report this Post07-27-2020 10:00 AM Click Here to See the Profile for Dennis LaGruaClick Here to Email Dennis LaGruaSend a Private Message to Dennis LaGruaEdit/Delete MessageReply w/QuoteDirect Link to This Post
If you decide to use that manifold, I believe that it will only accept the larger Holly throttle body. It should enable gaining some horsepower but those two items are difficult to find. The big question is: will the gain justify the investment?

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" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "

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Indy-453
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Report this Post07-29-2020 01:39 AM Click Here to See the Profile for Indy-453Click Here to Email Indy-453Send a Private Message to Indy-453Edit/Delete MessageReply w/QuoteDirect Link to This Post
I know the upgrade parts are perhaps controversial when V6 swaps are common. I am trying to keep the car looking as stock as possible to the casual viewer, while eking out what power can be had. Hiding a better flowing manifold under the air cleaner helps achieve that. I already have obtained a NOS TBI unit, just need the manifold.
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Dennis LaGrua
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Report this Post07-29-2020 02:14 PM Click Here to See the Profile for Dennis LaGruaClick Here to Email Dennis LaGruaSend a Private Message to Dennis LaGruaEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Indy-453:

I know the upgrade parts are perhaps controversial when V6 swaps are common. I am trying to keep the car looking as stock as possible to the casual viewer, while eking out what power can be had. Hiding a better flowing manifold under the air cleaner helps achieve that. I already have obtained a NOS TBI unit, just need the manifold.

Many other GM automobiles of that era had the Iron Duke engine. If you cannot find the Holley unit, I would investigate which year manifold might flow the best, bolt up and accept the larger Holley throttle body. IMO, the larger Holly throttle body itself is the main power adder and you can always port to smooth out the flow.

------------------
" THE BLACK PARALYZER" -87GT 3800SC Series III engine, custom ZZP /Frozen Boost Intercooler setup, 3.4" Pulley, Northstar TB, LS1 MAF, 3" Spintech/Hedman Exhaust, P-log Manifold, Autolite 104's, MSD wires, Custom CAI, 4T65eHD w. custom axles, Champion Radiator, S10 Brake Booster, HP Tuners VCM Suite.
"THE COLUSSUS"
87GT - ALL OUT 3.4L Turbocharged engine, Garrett Hybrid Turbo, MSD ign., modified TH125H
" ON THE LOOSE WITHOUT THE JUICE "

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