Holbay Engine Mods

by Steve Semeraro (semerasx@justice.usdoj.gov)
Feb 8, 1995
I tried to post this info about Holbay Racing Engines yesterday, but it doesn't seem to have gotten through. I heard about the company in a Practical Classics article on the Alpine. Great piece around June 1993 I think. It had a lot of good things to say about the Rootes 4-banger, including that it is very tunable without loss of reliability. Info. about Holbay was also distributed at Suni II. What follows are options for the 1725cc power unit, but similar options are available for the 1500cc.

1. "Modifications to cylinder head and reprofiling standard camshaft to high performance design. Power output with standard Stromberg carburettors 98BHP with 9% increase in maximum torque. 375 pounds sterling.

2. "2X4 DCO Weber carburettors with aluminium alloy intake manifold. Power output when used in conjunciton with the above is 120 BHP with 15% increase in maximum torque. 421 pounds sterling"

As Tony said, a 140 BHP version is available for 1993 pounds sterling. The address is 4 Betts AVe., Martlesham Heath, Ipswich, Suffolk IP5 7RH. Tel 0473 623000; Fax 0473 610587.

I'd really like to hear what people think about how much difference the 1 and 2 mods would make.

BTW, even though I clearly fall on the "I like it stock" side (well sort of, I wouldn't mind one of these Holbay options and I have a Series I-III grille in my Series V and I may add some MKII trim if I find it . . . OK, so everybody likes to tinker a little-- anyway I really enjoy hearing about others' modifications, and I want to urge Frank to reconsider posting info about his experience creating the Alpinto. If not though, I'd like to be on a distribution list.

Steve Semeraro
Series V


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