Alternative Port EFI Intakes This board is for tech discussions and questions about aftermarket port EFI such as the HSR, MR, SR, BBK, FIRST, etc.

First intake not. Fitting

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Old 08-04-2020, 10:39 AM
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First intake not. Fitting

Hello guys have purchased the first intake for my car and have half way on and running into some isses with the distrubtior fitting with how big the first is over the stock intake any suggestions thanks

Old 08-04-2020, 12:16 PM
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Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: First intake not. Fitting

What distributor are you using? The FIRST intake requires a small cap.

GD
Old 08-04-2020, 12:26 PM
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Re: First intake not. Fitting

From the installation instructions:
On large cap H.E.I. distributors you may have to remove some of the casting on the bottom of the distributor to allow sufficient clearance and for timing adjustments.

They used to include a picture in the older install manuals - luckily they have a blurry picture of where to grind on their website.


Before I put on the FIRST I had a HSR that had to have a small cap distributor - so I used the small cap HEI on the FIRST and it fit nicely.

HTH
Old 08-04-2020, 12:36 PM
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Join Date: Mar 2017
Location: Portland, OR
Posts: 4,255
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Car: 86 Imponte Ruiner 450GT, 91 Formula
Engine: 350 Vortec, FIRST TPI, 325 RWHP
Transmission: 700R4 3000 stall.
Axle/Gears: 9 Bolt Torsen 3.70
Re: First intake not. Fitting

In preparation for the FIRST installation, I converted my 86 over to small-cap knowing I was going to run into this (read through the instruction before I even ordered it).

GD
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